SP2 Handset/Speaker Amplifier Station Configuration - GAI

SP2 Handset/Speaker Amplifier Station Configuration - GAI
Pub. 42004-784B
GAI-TRONICS
®
CORPORATION
A HUBBELL COMPANY
SP2 Handset/Speaker Amplifier Station
Configuration Guide
TABLE
OF
CONTENTS
Confidentiality Notice .....................................................................................................................1
Introduction.....................................................................................................................................1
SP2 Station Design .................................................................................................................................. 1
SP2 System Design .................................................................................................................................. 2
Provisioning ....................................................................................................................................2
Local Provisioning .................................................................................................................................. 2
Using PuTTY for SP2 Administration .................................................................................................................. 2
Serial Port Connection (Out-of-Band) .............................................................................................................. 3
Network Connection (In-Band) ........................................................................................................................ 5
The Command Line Interface (CLI) ..................................................................................................................... 7
SP2 Station Local Configuration .......................................................................................................................... 9
Multicast Audio Communications ...................................................................................................................... 15
TFTP Boot Provisioning ....................................................................................................................... 21
Mutual Provisioning ............................................................................................................................. 21
System Configuration File Labels....................................................................................................................... 22
System Configuration File Profiles ..................................................................................................................... 22
Generating a System Configuration .................................................................................................................... 23
Configuring the First SP2 Station ....................................................................................................................... 24
Manually Changing Parameters while CFG_MODE=MUTUAL ....................................................................... 25
Appendix A—Preventing Windows from Assigning Multiple COM Ports ..................................................25
Appendix B—Packet Sender ........................................................................................................29
Creating a saved packet for SP2 auto discovery ................................................................................ 29
Performing a SP2 Discovery ................................................................................................................ 30
Glossary of Terms .........................................................................................................................30
GAI-Tronics Corporation 400 E. Wyomissing Ave. Mohnton, PA 19540 USA
610-777-1374  800-492-1212  Fax: 610-796-5954
VISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS
Table of contents
Pub. 42004-784B
LIST
OF
TABLES
Table 1. Command Line Interface Commands ............................................................................................ 8
Table 2. General Station Parameters .......................................................................................................... 11
Table 3. IP Parameters ............................................................................................................................... 12
Table 4. Server Parameters ........................................................................................................................ 13
Table 5. Input/Output Parameters .............................................................................................................. 13
Table 6. Multicast Socket Parameters ........................................................................................................ 15
Table 7. Handset Timeout Parameters ....................................................................................................... 17
Table 8. F/W and Configuration Filename Parameters .............................................................................. 18
Table 9. Audio Volume Parameters ........................................................................................................... 18
Table 10. Diagnostic Parameters ............................................................................................................... 19
Table 11. SP2 Output States ...................................................................................................................... 20
GAI-Tronics Corporation 400 E. Wyomissing Ave. Mohnton, PA 19540 USA
610-777-1374  800-492-1212  Fax: 610-796-5954
VISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS
Pub. 42004-784B
GAI-TRONICS
®
CORPORATION
A HUBBELL COMPANY
SP2 Handset/Speaker Amplifier Station
Configuration Guide
Confidentiality Notice
This manual is provided solely as an installation, operation, and maintenance guide, which contains
sensitive business and technical information, that is confidential and proprietary to GAI-Tronics.
GAI-Tronics retains all intellectual property and other rights in or to the information contained herein,
and such information may only be used in connection with the operation of your GAI-Tronics product or
system. This manual may not be disclosed in any form, in whole or in part, directly or indirectly, to any
third party.
Introduction
This guide provides information on the configuration and programming of GAI-Tronics' range of SP2
Handset/Speaker Amplifier Stations. The GAI-Tronics SP2 station is a modular industrial multicast
Voice over Internet Protocol (VoIP) communications system that can include from two to 4,096 stations.
SP2 Handset/Speaker Amplifier Stations have been designed to mimic the behavior of GAI-Tronics
traditional analog Page/Party® stations using a 100 Mbps Ethernet network infrastructure rather than a
multi-pair cable platform. Ethernet switches and routers detect and isolate network faults so the loss of a
single station will not adversely affect the system as a whole.
SP2 stations require a 100 Mbps link to an Ethernet switch or router and therefore must be wired using
Category 5 or better cable. To ensure the quality of SP2 audio, it is recommended that SP2 network
traffic be isolated from other devices and that network switches and routers be properly configured for
Internet Group Management Protocol (IGMP) snooping and multicast filtering. Public connectivity to the
network used by the SP2 stations should be eliminated to ensure the security of the SP2 network system.
Maximum cable runs between SP2 stations and network switches are limited to 100 meters to comply
with Ethernet standards.
A major difference between SP2 handset/speaker amplifier stations and analog Page/Party® stations is
that the audio communication channels between SP2 devices are software configured rather than
hardwired connections. This allows flexibility when establishing different communication zones
throughout a system and additional stations can easily be added to the system at any time.
GAI-Tronics SP2 Handset/Speaker Amplifier Stations are available in a variety of models & styles,
including handset and amplifier only models. The configuration methods covered in this manual are
common to all models.
SP2 Station Design
SP2 stations are designed around a digital signal processor with integral Ethernet NIC and 64 MB of ram.
The digital signal processor is programmed to implement Ethernet, audio manager, command line
interface (CLI), configuration monitor, general I/O manager, health monitor, SMTP, Telnet, and TFTP
services. An on board external supervision circuit is used to detect issues in the running processes and
services and will automatically reboot the device if a problem is detected.
GAI-Tronics Corporation 400 E. Wyomissing Ave. Mohnton, PA 19540 USA
610-777-1374  800-492-1212  Fax: 610-796-5954
VISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS
SP2 Handset/Speaker Amplifier Station Configuration Guide
Pub. 42004-784B
Page 2 of 31
SP2 System Design
There are three methods for configuring SP2 stations in a SP2 system; local, TFTP boot, and mutual
provisioning. Using local configuration mode, the configuration of each SP2 station is defined by setting
all of the locally stored configuration parameters on each device. TFTP boot provisioning provides a
method of configuring SP2 systems by using individual station configuration files stored on a TFTP
server. The mutual provisioning method allows an administrator to design an entire SP2 system
architecture by setting up one or more SP2 stations as masters that serve a standardized configuration to
all of the other SP2 stations in the system.
Provisioning
Local Provisioning
There are two ways to locally manage SP2 stations; in-band management and out-of-band management.
In-band management entails connecting to a station through an existing network infrastructure using a
telnet connection from an administrative computer. If the network is down or the station is unreachable;
out-of-band management must be used to configure the device. Out-of-band management requires a
direct USB cable connection from an administrative computer to the SP2 station for administration.
Upon accessing a SP2 station using either in-band or out-of-band management, the administrator is
prompted for credentials. After successful authentication, read/write access to all of the station’s
configuration parameters is permitted. The administrator then connects to each station in turn and
configures their individual configuration parameters as necessary.
Using PuTTY for SP2 Administration
PuTTY is a free open-source terminal emulation
program used for serial console and network file
transfers. Several network protocols are supported
for in-band management including SCP, SSH,
telnet, rlogin, and raw socket connections. For Outof-Band management, a serial port connection has
been supported since version 0.59.
PuTTY can be downloaded from various Internet
sites. After downloading, install PuTTY on the
administrative computer and then run the
application.
Upon start-up, the PuTTY configuration screen will
appear as shown.
Prior to connecting to a SP2 Station, additional information must be entered to define the type of
connection to be used (In-Band or Out-of-Band). In-band connections utilize the LAN for
communication and require the entry of each SP2 station’s IP address and selection of telnet for the
connection type. Out of band connections are setup on the SERIAL page located under the CONNECTION
group of the CATEGORY panel in the PuTTY Configuration window.
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Serial Port Connection (Out-of-Band)
With the SP2 Station energized, connect a USB cable between the
administrative PC (Windows 7 or later) and the SP2 printed circuit board. The
USB cable must be a USB-A to USB-B type as shown.
Upon connection to the SP2 station, the serial port drivers will be automatically
loaded and a COM port number will be assigned to the USB port on the
Administrative PC. Find the assigned COM port number assigned to this
connection by looking it up in Device Manager located in the Windows control
panel. The COM port number must be entered into the PuTTY application later.
NOTE: If Windows doesn’t automatically locate and install the proper Virtual COM Port (VCP) driver
then it will need to be downloaded from FTDI’s website at http://www.ftdichip.com.
NOTE: Windows may assign a new COM port for each SP2 station that is connected to the
administrative PC. To avoid this the registry can be modified to reuse the same COM port for
all SP2 devices. See Appendix A—Preventing Windows from Assigning Multiple COM Ports
for instructions.
1. Run the PuTTY software.
2. In the SESSION settings page in the CATEGORY panel select SERIAL for the connection type. Do not
worry about the remaining serial port settings here, they will be set in the next screen. Note that
sessions can be named and saved for future use when connecting to SP2 stations.
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3. Navigate to the SERIAL settings page under the CONNECTION group in the CATEGORY panel.
4. Enter the COM port number in the SERIAL LINE TO CONNECT TO field of the PuTTY Serial
configuration screen. (The COM port information is found on the Device Manager screen below).
5. Enter the serial line parameters in the PuTTY configuration screen above as follows:
NOTE: These values must match the values found on the port settings tab in the COM port properties
dialog box in device manager.

Speed (Baud): 57600

Parity: None

Data Bits: 8

Follow Control: None

Stop Bit: 1
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6. Select OPEN. The following log-in screen will appear upon successful connection to the SP2 Station.
7. Enter the user name: USER
8. Enter Password: PASS
Network Connection (In-Band)
1. Run the PuTTY software.
2. On the SESSION settings page in the CATEGORY panel, enter the host name or the IP address of the SP2
station.
3. For the CONNECTION TYPE, select the TELNET radio button
4. Select OPEN.
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5. The following log-in screen will appear upon successful access to the SP2 Station.
6. Enter the user name: USER
7. Enter Password: PASS
NOTE: If the SP2 station cannot be reached, the screen will appear blank as shown below.
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The Command Line Interface (CLI)
Once connected to a SP2 station using telnet via the network or a USB serial connection, an administrator
can alter a station’s configuration parameters using the CLI. The command line is simply a place where
you enter commands for the SP2 station to execute. The SP2 station will attempt to carry out any
command that it understands. The syntax of the SP2 commands can have up to three parts: 1) the
command name, 2) the configuration parameter name, and 3) the setting name or value. The command
name always comes first. The configuration parameter and setting come next but have different rules
depending on which SP2 command is being issued. Some commands do not act upon parameters that
store values to act upon. These commands simply execute when entered.
Below are examples of the command line syntax for some commonly used SP2 commands. All valid
commands, parameters, and settings are listed and described in Tables 1 through 11 on the following
pages.
1. Retrieve all the current configuration parameters and their settings
ENTER:
> get ALL
2. Retrieve the SP2 stations MAC address
ENTER:
> get MAC
3. Change the stations IP Address to 192.168.1.50
ENTER:
> set ADDRESS 192.168.1.50
4. Change the multicast socket (IP address & port number) assigned to party line #1.


Address = 239.0.0.1
Port = 50000
ENTER:
> set PARTY_1_SOCK 239.0.0.1:50000
5. Change the multicast socket (IP address & port number) that the SP2 will transmit on when the
paging. If using the multi-zone page switch option, this would be position “A” on the page selector
switch.


Address = 239.0.1.1
Port = 50002
ENTER:
> set PAGETX_A_SOCK 239.0.1.1:50002
6. Change the first multicast socket (IP address & port number) that the SP2 will monitor for incoming
pages.


Address = 239.0.1.1
Port = 50002
ENTER:
> set PAGERX_1_SOCK 239.0.1.1:50002
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Table 1. Command Line Interface Commands
Command Name
Description
GET <PARAMETER> or
<PARMETER GROUP>
Returns the currently programmed value in the specified
<PARAMETER> or <PARAMETER GROUP>
The following tables provide information for each individual
PARAMETER:
Table 2 for General Station Parameters,
Table 3 for IP Parameters,
Table 4 for Server Parameters,
Table 5 for Input/Output Parameters,
Table 6 for Multicast Socket parameters,
Table 7 for Handset Timeout Parameters,
Table 8 for Firmware and Configuration Filename, Parameters,
Table 9 for Audio Volume Parameters, and
Table 10 for Diagnostic Parameters.
A parameter group is a collection of similar parameters. Valid
PARMETER GROUPS are:
 ALL
 IP
 OUTPUTS
 PARTY
 PAGERX
 PAGETX
 VOLUME
Each parameter and its current setting is returned; separated by
carriage return/line feeds.
SET <PARAMETER> <SETTING>
Changes the <SETTING> for the specified <PARAMETER>
Refer to the tables listed in the GET command above for
information about each PARAMETER.
REBOOT
Resets the SP2 Station.
NOTE: The station must be reset to accept any value changes in
its configuration. Following a REBOOT command; if necessary,
the administrator must re-connect to the unit through a serial or
network telnet connection.
SAVECFG
Sends the station’s current configuration data to the TFTP server
specified in the TFTPSERVER parameter. The configuration
data is saved to a text file using the pathname specified in the
CFG_FILENAME parameter.
NOTE: If the file transfer is successful, the message
“Configuration File Download Successful” is returned.
LOADCFG
Retrieves the configuration file stored in the pathname specified in
the CFG_FILENAME parameter from the TFTP server specified
in the TFTPSERVER parameter.
NOTE: If the file transfer is successful, the message
“Configuration File Upload Successful” is returned.
The file parameters are then stored as the station’s new
configuration and the station will automatically reboot to
implement the new configuration.
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Command Name
Description
UPDATE [<FILE>]
Perform a firmware update from the TFTP server specified by the
TFTPSERVER parameter using the pathname specified in the
<FILE> argument. If no explicit pathname is entered for the
<FILE> argument then the pathname specified by the
SW_FILENAME parameter is used.
RSTFAC
Restore all factory default settings as stored in the SP2 firmware
and automatically reboot the SP2 station.
NOTE: The speaker calibration value is not reset by this
command.
LOADFACCFG
Restores all parameters stored on the TFTP server in the pathname
defined in the FAC_FILENAME parameter. The TFTPSERVER
parameter must be defined.
EMAIL
Sends a test email
The “To” and “From” email addresses are defined in the SMTPTO
and SMTPFROM parameters. The SMTPSERVER,
SMTPPORT, and SMTPPASS parameters must already be
defined in the stations configuration.
STATUS
Returns the current status of the SP2 station, including the
software version, configuration version, group and station IDs,
currently selected page and party lines, and the RTU input/output
and fault status. If the CFG_MODE parameter is set to
MUTUAL, it will also report the current master group and station
ID, master station IP address, mutual provisioning state, and the
mutual provisioning checksum.
TIME
Returns the time currently stored in the station’s real time clock in
UTC.
SPKRCALIB
Performs a self-diagnostic speaker calibration test for speaker
monitoring and stores the results in flash memory.
Station speaker calibration should be cleared and repeated
whenever a station is relocated or a speaker is rewired/replaced.
The command “SET SPKR_CALIB 0” will reset this parameter.
SP2 Station Local Configuration
Each SP2 Station stores its own configuration containing the values set for each parameter for proper
operation within the SP2 system. The configuration defines many parameters such as the station identity
on the network, audio connections to other stations, and operating parameters such as volume levels, etc.
Below is a sample configuration file showing all of the parameters with their factory default settings.
Tables two through ten below provide information on each parameter grouped by function. Table eleven
provides the input/output states used to control the internal LEDs and the output RTU contacts.
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SP2 Handset/Speaker Amplifier Station Configuration Guide
Listing 1. Default SP2 Station Parameters
SERIAL=0000;
DESIGNATION=FACTORY;
VERSION=0;
CFG_MODE=MUTUAL;
MASTERLIST=0.01,0.02,0.03;
MAC=00:17:AE:00:00:F6;
HOSTNAME=GTC-0000;
NWMODE=DHCP;
ADDRESS=0.0.0.0;
MASK=0.0.0.0;
GATEWAY=0.0.0.0;
DNS=0.0.0.0;
MCTTL=8;
TFTPSERVER=0.0.0.0;
SMTPSERVER=0.0.0.0;
SMTPPORT=25;
[email protected];
[email protected];
SMTPPASS=pass;
SNTPSERVER=0.0.0.0;
CONTROL_SOCK=239.239.239.239:50000;
PROVISION_SOCK=239.255.0.255:1000;
LED1=OFF;
LED2=OFF;
LED3=OFF;
LED4=OFF;
LED5=OFF;
RTU_OP1=OFF;
RTU_IP1=OFF;
RTU_IP2=OFF;
RS_IP1=OFF;
RS_IP2=OFF;
PARTY_1_SOCK=239.0.0.1:50000;
PARTY_2_SOCK=239.0.0.2:50000;
PARTY_3_SOCK=239.0.0.3:50000;
PARTY_4_SOCK=239.0.0.4:50000;
PARTY_5_SOCK=239.0.0.5:50000;
PAGERX_1_SOCK=239.0.1.1:50002;
PAGERX_1_PRIO=1;
PAGERX_1_OUT=BOTH;
PAGERX_2_SOCK=239.0.1.2:50002;
PAGERX_2_PRIO=2;
PAGERX_2_OUT=BOTH;
PAGERX_3_SOCK=239.0.1.3:50002;
PAGERX_3_PRIO=3;
PAGERX_3_OUT=BOTH;
PAGERX_4_SOCK=239.0.1.4:50002;
PAGERX_4_PRIO=4;
PAGERX_4_OUT=BOTH;
PAGERX_5_SOCK=239.0.1.5:50002;
PAGERX_5_PRIO=5;
PAGERX_5_OUT=BOTH;
PAGERX_6_SOCK=0.0.0.0:0;
PAGERX_6_PRIO=6;
PAGERX_6_OUT=BOTH;
PAGERX_7_SOCK=0.0.0.0:0;
PAGERX_7_PRIO=7;
PAGERX_7_OUT=BOTH;
PAGERX_8_SOCK=0.0.0.0:0;
PAGERX_8_PRIO=8;
PAGERX_8_OUT=BOTH;
PAGETX_A_SOCK=239.0.1.1:50002;
PAGETX_A_DEFER=TRUE;
PAGETX_A_PRE=FALSE;
PAGETX_B_SOCK=239.0.1.2:50002;
PAGETX_B_DEFER=TRUE;
PAGETX_B_PRE=FALSE;
PAGETX_C_SOCK=239.0.1.3:50002;
PAGETX_C_DEFER=TRUE;
PAGETX_C_PRE=FALSE;
PAGETX_D_SOCK=239.0.1.4:50002;
PAGETX_D_DEFER=TRUE;
PAGETX_D_PRE=FALSE;
PAGETX_E_SOCK=239.0.1.5:50002;
PAGETX_E_DEFER=TRUE;
PAGETX_E_PRE=FALSE;
600OHM_TX_SOCK=0.0.0.0:0;
600OHM_TX_DEFER=TRUE;
600OHM_TX_PRE=FALSE;
MUTE_SPKR=FALSE;
HSINVERT=FALSE;
HSTIMEOUT=8;
PBTIMEOUT=2;
SW_FILENAME=FILENAME.LDR;
CFG_FILENAME=%HOST-CFG.TXT;
FAC_FILENAME=FILENAME.TXT;
HANDSETVOL=250;
HEADSETVOL=100;
AMPVOL=4;
ALS_ENABLE=FALSE;
ALS_OFFSET=10;
600OHM_OUT_VOL=775;
MUTE1=00:00:00:00;
MUTE2=00:00:00:00;
MUTE3=00:00:00:00;
MUTE4=00:00:00:00;
MUTE5=00:00:00:00;
MUTE6=00:00:00:00;
EZALLCALL=FALSE;
DIAGS=HANDSET+SPEAKER;
PROFILE=0;
NOTE: Additional parameters and their stored values may appear when executing “GET” commands.
These parameters are reserved for future functions and are not explained in this manual.
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Table 2. General Station Parameters
Parameter
Name
Description & Valid Settings
SERIAL
The station’s serial number assigned by GAI-Tronics during manufacturing. (Read
Only)
DESIGNATION
The system designation is a string value in the configuration file that indicates the
name of the SP2 system when CFG_MODE is set to MUTUAL. There can be
only one system designation on a network.
VERSION
The station's current configuration version. This parameter is used when
CFG_MODE is set to either TFTP or MUTUAL. It is important to update the
VERSION parameter in your configuration file by one whenever making a change
to it. The SP2 uses this in conjunction with the CRC of the file to determine
whether to use and save these parameters.
CFG_MODE
Defines how the station will acquire it’s configuration parameters on boot-up.
Valid settings are:
 STD—On Boot-up, load the locally stored configuration settings.
 TFTP—On boot-up, load the configuration settings from the pathname
specified in CFG_FILENAME from the TFTP server specified in
TFTPSERVER
 MUTUAL—Load a master configuration file that contains information for all
SP2’s in a network. The designated master SP2 station distributes these
parameters to the appropriate SP2 stations.
MASTERLIST
Contains a list of the group and station numbers of the master SP2 stations in a
system in order from highest to lowest priority. The list is formatted as follows:
G.SS, G.SS, … (G=Group, S=Station Number). Example 0.01, 0.02, 0.03
Only applicable if CFG_MODE = MUTUAL. Do NOT modify this parameter.
PROFILE
When CFG_MODE is set to MUTUAL a unit with this parameter configured will
apply the settings located in the [PROFILEn] section of the mutual configuration
file obtained from the master station where n:=1–9.
MAC
Media Access Control (MAC) address; also called the physical address, is a unique
identifier assigned to network interfaces for communication on a physical network
segment. GAI-Tronics is assigned the prefix 0017AE therefore all MAC Addresses
for SP2 Stations will be:
00:17:AE:xx:xx:xx (where ”x” can be 0–F).
NOTE: This address must be unique among all devices on a network.
NOTE: MAC addresses are factory configured and cannot be changed by the end
user. This parameter is read only.
HOSTNAME
A unique name to identify a station on the network . A maximum of 32 characters
consisting of “a–z”, “0–9” and “-” can be used. The default hostname is assigned
using the station’s serial number.
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Parameter
Name
Description & Valid Settings
NWMODE
Defines how the station acquires its IP Address
Valid settings are:
 Static—set using the ADDRESS parameter.
 DHCP—acquires the address from a DHCP Server on the network.
NOTE: If NWMODE is set to DHCP and no DCHP server is present, then after
approximately four minutes the station will assign itself an Automatic Private IP
Address (APIPA). The stations will then function correctly if the page and party
sockets have been configured correctly. This condition should be resolved as
quickly as possible.
Table 3. IP Parameters
Parameter
Name
Description & Valid Settings
ADDRESS
Stores the station’s IP address: IPv4 format: 0.0.0.0–255.255.255.255
Refer to Private IP Addresses in the Glossary of Terms section of this manual for
valid IPv4 addresses and formatting.
NOTE: If the NWMODE parameter is set to DHCP, this parameter will be provided
by the DHCP server.
MASK
Stores the station’s subnet mask, which identifies the subnet that the IP address
belongs to. IPv4 format: 0.0.0.0–255.255.255.254. The default SP2 network is class
C with the corresponding mask set to 255.255.255.0.
NOTE: If the NWMODE parameter is set to DHCP, this parameter will be provided
by the DHCP server.
GATEWAY
The IP Address of the subnet’s default gateway in IPv4 format.
NOTE: If the NWMODE parameter is set to DHCP, this parameter will be provided
by the DHCP server.
DNS
The IP address of the domain name server in IPv4 format.
NOTE: If the NWMODE parameter is set to DHCP; this parameter will be provided
by the DHCP server.
MCTTL
Multicast Time to Live (TTL) determines how many router hops an IP data packet can
make in the network before being discarded.
Valid settings: 1 to 255
CONTROL_
SOCK
This multicast socket is used by a UDP packet utility program to discover or reset SP2
units in a network. Do NOT modify this parameter.
PROVISION_
SOCK
While CFG_MODE is set to MUTUAL this channel is used for communication
among SP2's. Do NOT modify this parameter.
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Table 4. Server Parameters
Parameter
Name
Description & Valid Settings
TFTPSERVER
IP address of the TFTP Server in IPv4 format.
SMTPSERVER
IP address of the SMTP server in IPv4 format.
SMTPPORT
The port number for the email server.
Commonly used SMTP ports: 25 or 587
SMTPFROM
The email address of the mailbox account used to send the email. It appears in the
“FROM” field when the SP2 Station sends an email.
e.g. [email protected]
SMTPTO
This is the email address appearing in the “TO” field when the SP2 Station sends an
email.
e.g. [email protected]
SMTPPASS
Password of the sending account used for authentication to the SMTP server
SNTPSERVER
IP address of the Time Server in IPv4 format
The following tables provide information about the various system parameters that can be set to function
in a particular way. When a parameter has a default setting, that setting is bold in the tables below.
Table 5. Input/Output Parameters
Parameter
Name
Description & Valid Settings
LEDn
(n = 1,2,3,4, or 5)
The SP2 circuit board contains five LEDs that can be used for diagnostic purposes
when performing maintenance or system commissioning. The LEDS can be
configured to turn ON when various station conditions are true. Each LED (1–5)
is programmed individually.
Valid output conditions to turn on an LED are provided in Table 11. SP2 Output
States
RTU_OP1
The SP2 station provides an output relay contact that can be used for signaling or
activation of external devices. The relay can be configured to turn ON during
various station operating conditions.
Valid output conditions to control RTU_OP1 are provided in Table 11. SP2
Output States
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Parameter
Name
Description & Valid Settings
RTU_IPn
(n = 1 or 2)
The SP2 station provides two input circuits to monitor voltage free switch contacts,
beacon cabling, or speaker loop cabling. Each input must be configured for the
function being used.
 When monitoring input switch(s), the SP2 can be configured to send an email
and/or activate the RTU relay output. The input switch cabling can be
monitored for line faults by installing end-of-line resistors.

When monitoring the cabling for a beacon or speaker loop, the station can be
configured to send an email when a line fault is detected.
Refer to the SP2 hardware manual for connection details.
Valid settings are:
 Off: Input circuit default
 NO: Normally open switch with no line supervision
 NC: Normally closed with no line supervision
 NO_S: A single normally open switch with line supervision
 MNO_S: Multiple normally open switches with line supervision
 NC_S: Normally closed switch with line supervision
 SB_S: Single beacon supervised
 HV_S: 70/100 V speaker monitoring
NOTE: This option should only be used on stations with the No. 69652
70 V/100 V Termination board.
NOTE: When the 70 V/100 V termination board is installed, RTU input one
cannot be used.
RS_IPn
(n = 1 or 2)
The SP2 station provides two input s to represent the input contacts located on an
installed remote subset.
NOTE: RS_IP1 makes use of the party switch input; therefore, monitoring of
input one can only be configured on single party subsets.
RS_IP2 utilizes the page switch input; therefore, monitoring of input two
can only be configured on stations that do not have a page selection
switch.
Valid functions are:
 Off
 NO: Normally Open
 NC: Normally Closed
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Parameter
Name
Description & Valid Settings
EZALLCALL
This parameter is only valid on handset stations equipped with an “All Call”
paging pushbutton. This parameter determines whether or not the handset pressbar
must be depressed when making a page to the PAGETX_B_SOCK multicast
socket.
Valid values are:
 TRUE—Only the ALL CALL button needs to be pressed after lifting the
handset to start paging to the PAGETX_B_SOCK multicast address. The
handset pressbar does not need to be pressed to initiate the page. Pressing the
handset pressbar without holding the ALL CALL button will initiate a page on
PAGETX_A_SOCK.
 FALSE—The handset pressbar must always be pressed to make a page
including the use of the ALL CALL button.
NOTE: Do not set this parameter to TRUE on stations that do not have an ALL
CALL button.
Multicast Audio Communications
All audio communication (page and party lines) between SP2 stations on a local area network are
established using multicast sockets. A multicast socket consists of a multicast IP address and a port
number. The IPv4 multicast address ranges is: 224.0.0.0–239.255.255.255.
Certain blocks of multicast addresses are reserved for network protocols. For example, the range of
addresses between 224.0.0.0 and 224.0.0.255, inclusive, is reserved for the use of routing protocols and
other low-level topology discovery or maintenance protocols. When configuring SP2 stations, use the
“admin-local scoped” address block 239.0.0.0–239.255.255.255 to avoid conflicts with other network
protocols.
Ports are numbers assigned to processes running on computers that allow the processes to transmit and
receive information on an IP network. The valid port number range is: 1–65535 Port numbers are
assigned in various ways, based on three ranges: system ports (0–1023), user ports (1024–49151), and
dynamic and/or private ports (49152–65535). When configuring SP2 stations, use only even numbered
“private ports” 49152–65534 to avoid conflicts with other network protocols.
Table 6. Multicast Socket Parameters
Parameter Name
Description & Valid Settings
PARTY_n_SOCK
(n = 1–5)
The standard SP2 station is equipped with five party lines for
conversations. Each PARTY socket (1–5) consists of a multicast IP
address and a port number. A multicast socket must be configured for
each party line (1–5) or be disabled by setting the IP address and port to
0.0.0.0:0. The PARTY_n_SOCK parameter corresponds to the party line
selector switch position 1–5 on the SP2 Station.
IPv4 format: xxx.xxx.xxx.xxx:P
x = Address P = Port number (49152–65534)
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Parameter Name
Description & Valid Settings
PAGERX_n_SOCK
(n = 1–8)
SP2 stations are capable of receiving page audio from eight different
multicast network sockets. Each PAGERX socket (1–8) consists of a
multicast IP address and a port number. A multicast socket must be
configured for each page line (1–8) or be disabled by setting the IP address
and port to 0.0.0.0:0.
IPv4 format: xxx.xxx.xxx.xxx:P
x = Address P = Port number (49152–65534)
PAGERX_n_PRIORITY
(n = 1–8)
This parameter determines the priority of the PAGERX (1–8) sockets
above. If more than one PAGERX socket is received at the same time,
only the highest priority page will be processed. The processed audio is
then passed to the path configured via the PAGERX_n_OUT parameter;
speaker and/or 600-ohm audio output.
Priority 1 is the highest and 8 is the lowest.
PAGERX_n_OUT
(n = 1–8)
This parameter determines the audio output path for each of the eight
PAGERX_n_SOCK sockets above. A contact closure is provided to
indicate the 600-ohm output is active.
Valid settings for output are:
 600OHMOUT—sends the received audio stream only to the 600 ohm
output. The output volume setting is stored in the
600OHM_OUT_VOL parameter.
 SPEAKER—sends the received audio stream only to the speaker
output. The output volume setting is stored in the AMPVOL
parameter.
 BOTH—sends the received audio stream to both the 600 ohm &
speaker output. The output volume setting is stored in the AMPVOL
parameter.
PAGETX_n_SOCK
(n = A–E)
SP2 stations are capable of transmitting page audio on five different
multicast network sockets. Each PAGETX multicast socket (A–E) consists
of a multicast IP address and a port number. A multicast socket must be
configured for each page line (A–E) or be disabled by setting the IP
address and port to 0.0.0.0:0. The PAGETX_n_SOCK parameter
corresponds to the page selector switch position on the SP2 Station.
Stations that are not equipped with a page selector switch will transmit all
paging audio on PAGETX_A_SOCK. All unused sockets must be set to
0.0.0.0:0.
IPv4 format is: xxx.xxx.xxx.xxx:P
x = Address P = Port number (49152–65534)
PAGETX_n_DEFER
(n = A–E)
This parameter is used to prevent two SP2 stations from simultaneously
sending a page on the same PAGETX socket.
Valid settings are:
 TRUE—if a page is already in progress on the currently selected
PAGETX line (A–E), the station will NOT transmit and an alert tone
will be heard by the operator.
 FALSE—the station will transmit audio onto the currently selected
PAGETX line (A–E) regardless of the current paging status.
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Parameter Name
Description & Valid Settings
PAGETX_n_PRE
(n = A–E)
This parameter determines if a pre-announcement tone will be played over
the speakers prior to each outgoing page on this channel.
Valid settings are:
 TRUE—A fixed pre-announcement tone will be played before each
outgoing page from the configured channel.
 FALSE—The page is broadcast without playing the preannouncement tone.
600OHM_TX_SOCK
This parameter configures the multicast socket to where the 600 ohm
audio will be transmitted. 600 ohm input is always the highest priority
audio source.
IPv4 format is: xxx.xxx.xxx.xxx:P
x = Address P = Port number (49152–65534)
600OHM_TX_DEFER
This parameter is used to prevent 600 ohm audio from being transmitted if
an audio stream is currently being received on the same multicast socket.
Valid settings are:
 TRUE—Do not transmit audio to a multicast socket that is currently
receiving an audio stream.
 FALSE—Transmit the audio without regard for incoming audio on the
configured multicast socket.
Table 7. Handset Timeout Parameters
Parameter
Name
Description & Valid Settings
HSINVERT
This parameter enables the inversion of the current physical state of the hook-switch
represented by the ON-HOOK and OFF_HOOK variables.
Valid settings are:
 TRUE—ON-HOOK and OFF-HOOK values are reversed.
 FALSE—ON-HOOK and OFF-HOOK values are represent the actual current
state of the handset.
HSTIMEOUT
The hook-switch timeout parameter is used to limit the amount of time that a SP2
station can be off hook. This parameter is configured in minutes with a default of
eight minutes. A setting of zero disables the hookswitch timeout.
PBTIMEOUT
This parameter is used to limit the amount of time that a page can continue. This
parameter is configured in minutes with a default timeout of two minutes. A setting
of zero disables the pressbar timeout.
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Table 8. F/W and Configuration Filename Parameters
Parameter
Name
Description & Valid Settings
SW_FILENAME
The pathname of the firmware file stored on the TFTP server. The filename must
have a .ldr extension.
Example: folder/SPP_BF536.ldr
CFG_FILENAME The pathname of a SP2 station’s configuration file stored on the TFTP Server.
The filename must have a .txt extension.
Example pathname: folder/folder/filename.txt
When the CFG_MODE parameter is set to TFTP the following tokens can be
used to differentiate separate SP2 stations’ configuration filenames:
 %MACID = MAC address of the SP2 Station.
 %ip = IP address assigned to the SP2 station. (NOTE: This variable should
only be used when NWMODE = STATIC.
 %name = Designation of the SP2 station.
 %grp = Current setting of the hexadecimal address switch.
 %stn = Current setting of the hexadecimal station switches.
Important Note: Unique filenames are required for each SP2 station to avoid
duplicate Hostnames, IP addresses, etc.
FAC_FILENAME
This parameter stores the pathname for an additional/alternate SP2 configuration
file. The configuration file pointed to by this parameter can be used to store a site
specific default configuration or can be used to test alternate settings without
losing the settings stored in the CFG_FILENAME location.
Table 9. Audio Volume Parameters
Parameter Name
Description & Valid Settings
HANDSETVOL
Sets the volume of the handset receiver. The value stored represents the
amplitude in millivolts (mV) RMS.
Valid settings are: 100, 125, 150, 175, 200, 225, 250, 275, 300, 325, 350
HEADSETVOL
Sets the volume of the headset receiver. The value stored represents the
amplitude in millivolts (mV) RMS
Valid settings are: 75, 100, 125, 150, 175, 200
AMPVOL
Used with the PAGERX_n_OUT parameter, this parameter sets the audio
volume level of the output amplifier. The value stored represents the power
output of the station amplifier in watts (W) RMS.
Valid settings are: .008, .016, .032, .063, .125, .25, .5, 1, 2, 4, 9, 14, 18, 24,
30
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Parameter Name
Description & Valid Settings
MUTE_SPKR
Allows muting of incoming pages while a page is being transmitted on any
PAGETX socket (A–E).
Valid settings are:
 TRUE—All locally generated and received page audio is muted while
transmitting audio pages.
 FALSE—Received page audio is broadcast over the station’s external
speaker simultaneously while transmitting an outgoing page.
ALS_ENABLE
Enables the ambient level sensing (Smart Volume) feature of the SP2 Station.
Valid Settings are:
 TRUE—Smart Volume is enabled
 FALSE—Smart Volume is disabled
ALS_OFFSET
Determines the speaker broadcast volume level above the measured ambient
noise level. The value entered represents the offset in decibels (dbA).
Valid settings are: 10 dB to 80 dB SPL
600OHM_OUT_VOL
Used with the PAGERX_n_OUT parameter, this parameter sets the audio
level of the 600 ohm audio output. The value entered represents the
amplitude in millivolts (mV) RMS. If the PAGERX_n_OUT parameter is set to
BOTH then the value stored in the AMPVOL parameter overrides this
setting.
Valid Settings are: 100, 200, 300, 500, 700, 775, 900, 1000
MUTE1…MUTE6
These parameters are used for feedback prevention by mutual muting of those
stations that are in close proximity to a station that is transmitting a page. The
parameters must be configured with the last four octets of the MAC addresses
of the stations that cause feedback while they are transmitting. Format:
00:00:00:00
Table 10. Diagnostic Parameters
Parameter Name
Description & Valid Settings
DIAGS
This parameter determines whether the handset, headset, and/or the speaker
will be tested each time the self diagnostic test runs. Set this to
HANDSET+HEADSET+SPEAKER to execute all diagnostics, any
combination of the three, or OFF.
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Input/output parameters are maintained in RAM by the general I/O manager while the SP2 station is
energized. These parameters are variables containing information regarding the current state of the SP2
station. These logical states are used to control the function of the five LEDs and the RTU Output.
Table 11. SP2 Output States
Variable Name
Description& Valid Values
RXPAGEANY
A page is being received on any page line.
RXPAGEn
A page is being received on page line n, where n:=1–8.
TXPAGEANY
A page is being transmitted on any of the configured page lines.
TXPAGEn
A page is being transmitted on the selected page line where
n:=A–E.
PARTY
The station is receiving audio on one or more party lines.
PARTYn
The station is receiving audio on partly line n, where n:=1–5.
ONHOOK
The handset is on-hook.
OFFHOOK
The handset is off-hook.
ON
Always ON.
OFF
Always OFF.
HEALTHY
No fault conditions are detected.
FAULTY
Any fault condition is detected.
LINKUP
The network interface physical link is up.
LINKDOWN
The network interface physical link is down.
RTUIP1ACTIVE
RTU input one is in the active state.
RTUIP1INACTIVE
RTU input one is in the idle state.
RTUIP1OPEN
An open circuit fault is detected on RTU input one.
RTUIP1SHORT
A short circuit fault is detected on RTU input one.
RTUIP1GROUND
An earth ground fault is detected on RTU input one.
RTUIP1LINE
A short circuit line fault is detected on RTU input one.
RTUIP2ACTIVE
RTU input two is in the active state.
RTUIP2INACTIVE
RTU input two is in the idle state.
RTUIP2OPEN
An open circuit fault is detected on RTU input two.
RTUIP2SHORT
A short circuit fault is detected on RTU input two.
RSIP1ACTIVE
The desktop subset’s input one is active.
RSIP1INACTIVE
The desktop subset’s input one is inactive.
RSIP2ACTIVE
The desktop subset’s input two is active.
RSIP2INACTIVE
The desktop subset’s input two is inactive.
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TFTP Boot Provisioning
Rather than manually setting SP2 station parameters on every device as explained above; SP2 stations can
be configured to access a TFTP server to retrieve (download) a configuration file that contains their
parameter settings. SP2 stations configured for TFTP boot use the locally stored settings on startup and
then check the TFTP server for configuration changes. This is accomplished by comparing the version of
the running configuration with the that contained in the file downloaded from the TFTP server. If a
change has been made, the station will implement the new settings and reboot. If the configuration
version has not changed then the station continues to run with the existing settings loaded at boot-up.
To utilize TFTP boot configurations, an administrator must initially install and configure a TFTP server.
The configuration file for each station is then created and stored on the TFTP server. To accomplish this,
the first station is manually configured to obtain an initial configuration file which is then copied and
modified for each station that will obtain its configuration from the TFTP server. Individual stations are
then set up to look for their configuration from the TFTP server.
Individual SP2 stations are set up to access the TFTP server upon boot-up by initially powering them up
using the factory default settings. Once this occurs, each station will need to be accessed using local
provisioning to set the CFG_MODE, TFTPSERVER, and CFG_FILENAME parameters (See “The
Command Line Interface (CLI)” and “SP2 Station Local Configuration” sections for information
regarding SP2 station settings). Another reboot is then required to apply these settings. Upon reboot, the
stations connect to the TFTP server, download the proper configuration, and reboot again to apply the
settings. If a DHCP server is not available on the network then the NWMODE parameter must be set to
STATIC and the ADDRESS, MASK, GATEWAY, and DNS parameters will need to be locally
configured for the stations to access the TFTP server.
Mutual Provisioning
This design technique allows SP2 stations in a system to obtain their system configuration without
requiring a fixed central point configuration server or human administration. This also streamlines the
initial set-up process by separating the system design and planning stages from the system installation
phase. These features minimize the cost and effort required to maintain or replace SP2 stations in an
existing system should one fail or if a system configuration change is needed.
Mutual provisioning is only used for configuration. It does not affect and is not required for actual station
operation. SP2 stations configured to operate in mutual provisioning mode use parameter settings derived
by combining the system configuration obtained from the master SP2 station and their locally stored
configuration parameters. The system settings are merged with the local settings so that the system
settings override any locally configured parameters. It is therefore important to not configure those
parameters in the system file that will need to be configured locally on the SP2 stations.
Mutual provisioning utilizes a single system-wide configuration that is maintained on a SP2 station
configured to be the master station in the system. The system-wide configuration file contains all of the
parameters as a locally stored configuration with the addition of labels and comments. The labels used in
the system configuration file are [SYSTEM], [GROUPn], [G.SS], and [PROFILEn]. The purpose of
these labels is discussed below in the “System Configuration File Labels” section. The system
configuration file contains all of the settings necessary for every station that will operate in the system.
The system configuration file is limited to 100kb in size.
System wide control is via a single “Master” station. Master stations are provisioned with a local
configuration. The station designated as the master station and any stations configured as backup master
stations are determined by the value stored in the MASTERLIST parameter. The “Master” station is
determined by the order in which they appear in MASTERLIST parameter. Backup master stations act
like normal SP2 stations until the current master station fails. The failure of the master is determined by
listening for the heartbeat packet on the command channel.
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SP2 stations obtain the system configuration through the use of a provisioning channel. A provisioning
channel is a special multicast socket used by the SP2 stations in a system to download the system
configuration from the master station. The system configuration is stored alongside the local
configuration in non-volatile ram on the stations. The master SP2 station in a system sends a heartbeat
packet on the provisioning channel every three seconds containing a check sum for the current system
configuration. SP2 stations in the system compare the check sum to the check sum of their currently
stored system configuration. If the checksum has been updated, the stations will download the new
system configuration and reboot.
Additional SP2 systems are configured for mutual provisioning by adjusting the “Group” and “Station
Number” hex switches located on the main PCBA in the SP2 station. These switches also control the
group and station number used to apply system settings to individual groups and/or stations using labels
in the system configuration file. The CFG_MODE parameter’s factory default setting is MUTUAL so
this will not need to be configured before connecting and booting the remaining SP2 stations in the
system.
System Configuration File Labels
[SYSTEM]—This label is required in the system configuration file for mutual provisioning to function.
This label must be placed at the top (first line) and bottom (last line) of the configuration file. Global
parameters that are meant for all SP2 stations should be placed at the top of the configuration file below
the [SYSTEM] label.
[GROUPn]—Where n can be 0–F (in hex). Any SP2 station with its group hex switch set for this group
will utilize these parameters.
[G.SS]—Where G = group number (0–F) and S = Station number (00– FF). A SP2 station with its group
and station number hex switches set for this group and station number will implement these parameters.
Only one station can be assigned to each unique G.SS station identifier.
[PROFILEn]—Where n can be zero through nine. Profiles are used when a unique set of parameters is
required for a station or stations. This label and the parameters defined under it should be placed at the
bottom of the system configuration file before the ending [SYSTEM] label.
Although parameters can be placed under any label; it is important that the DESIGNATION, VERSION,
CFG_MODE, and MASTERLIST parameters be placed only under the first [SYSTEM] label, making
them global. Do not repeat these settings under any other label.
//—This label at the beginning of a line indicates that the line is a comment. Comments are ignored by
the SP2 stations.
System Configuration File Profiles
Profiles can be used in the configuration file to set unique configuration options for special situations
such as having one station in each zone or group having special features. This is implemented in the
system configuration file by assigning a profile number to a station in the [G.SS] section of the system
configuration and then adding the [PROFILEn] section containing any special settings that might be
needed. Up to nine unique profiles can be configured in the system.
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Listing 2. Example System Configuration File
[SYSTEM];
//GLOBAL SETTINGS START
DESIGNATION=CUSTOM_DESIGNATION;
VERSION=0;
CFG_MODE=MUTUAL;
MASTERLIST=0.01,0.02,0.03;
NWMODE=DHCP;
TFTPSERVER=0.0.0.0;
SMTPSERVER=0.0.0.0;
SMTPPORT=25;
[email protected];
[email protected];
SMTPPASS=pass;
SNTPSERVER=0.0.0.0;
//GLOBAL SETTINGS END
//GROUP1 SETTINGS START
[GROUP1];
LED1=ON;
LED2=OFF;
LED3=OFF;
LED4=OFF;
LED5=OFF;
//GROUP1 SETTINGS END
//GROUP2 SETTINGS START
[GROUP2];
LED1=OFF;
LED2=ON;
LED3=OFF;
LED4=OFF;
LED5=OFF;
//GROUP2 SETTINGS END
//STATION 0.01 SETTINGS START
[0.01];
PARTY_1_SOCK=239.0.0.1:50000;
PARTY_2_SOCK=239.0.0.2:50000;
PARTY_3_SOCK=239.0.0.3:50000;
PARTY_4_SOCK=239.0.0.4:50000;
PARTY_5_SOCK=239.0.0.5:50000;
PAGERX_1_SOCK=239.0.1.1:50002;
PAGERX_1_PRIO=1;
PAGERX_1_OUT=BOTH;
PAGERX_2_SOCK=239.0.1.2:50002;
PAGERX_2_PRIO=2;
PAGERX_2_OUT=BOTH;
PAGERX_3_SOCK=239.0.1.3:50002;
PAGERX_3_PRIO=3;
PAGERX_3_OUT=BOTH;
PAGERX_4_SOCK=239.0.1.4:50002;
PAGERX_4_PRIO=4;
PAGERX_4_OUT=BOTH;
PAGERX_5_SOCK=239.0.1.5:50002;
PAGERX_5_PRIO=5;
PAGERX_5_OUT=BOTH;
PAGERX_6_SOCK=0.0.0.0:0;
PAGERX_6_PRIO=6;
PAGERX_6_OUT=BOTH;
PAGERX_7_SOCK=0.0.0.0:0;
PAGERX_7_PRIO=7;
PAGERX_7_OUT=BOTH;
PAGERX_8_SOCK=0.0.0.0:0;
PAGERX_8_PRIO=8;
PAGERX_8_OUT=BOTH;
PAGETX_A_SOCK=239.0.1.1:50002;
PAGETX_A_DEFER=TRUE;
PAGETX_A_PRE=FALSE;
PAGETX_B_SOCK=239.0.1.2:50002;
PAGETX_B_DEFER=TRUE;
PAGETX_B_PRE=FALSE;
PAGETX_C_SOCK=239.0.1.3:50002;
PAGETX_C_DEFER=TRUE;
PAGETX_C_PRE=FALSE;
PAGETX_D_SOCK=239.0.1.4:50002;
PAGETX_D_DEFER=TRUE;
PAGETX_D_PRE=FALSE;
PAGETX_E_SOCK=239.0.1.5:50002;
PAGETX_E_DEFER=TRUE;
PAGETX_E_PRE=FALSE;
600OHM_TX_SOCK=0.0.0.0:0;
600OHM_TX_DEFER=TRUE;
600OHM_TX_PRE=FALSE;
MUTE_SPKR=FALSE;
HSINVERT=FALSE;
HSTIMEOUT=8;
PBTIMEOUT=2;
SW_FILENAME=FILENAME.LDR;
CFG_FILENAME=%HOST-CFG.TXT;
FAC_FILENAME=FILENAME.TXT;
HANDSETVOL=250;
HEADSETVOL=100;
AMPVOL=4;
ALS_ENABLE=FALSE;
ALS_OFFSET=10;
600OHM_OUT_VOL=775;
MUTE1=00:00:00:00;
MUTE2=00:00:00:00;
MUTE3=00:00:00:00;
MUTE4=00:00:00:00;
MUTE5=00:00:00:00;
MUTE6=00:00:00:00;
EZALLCALL=FALSE;
DIAGS=HANDSET+SPEAKER;
PROFILE=1;
//STATION 0.01 SETTINGS END
//PROFILE1 SETTINGS START
[PROFILE1];
HANDSETVOL=250;
//PROFILE1 SETTINGS END
//PROFILE2 SETTINGS START
[PROFILE2];
HANDSETVOL=100;
// PROFILE2 SETTINGS END
[SYSTEM];
Generating a System Configuration
To create a template to start from, a local configuration file can be generated from the first SP2 station.
Start by connecting to the first station using local provisioning and perform the following commands:
NOTE: replace the TFTPSERVER IP address and CFG_FILENAME values with your own information.
The basic flow of events for setting up a system when using mutual provisioning mode is as follows:
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1. >> SET CFG_MODE STD
2. >> SET TFTPSERVER 192.168.1.221
3. >> SET CFG_FILENAME SYSTEM1.TXT
4. >> REBOOT
After the reboot, reconnect to the station and execute the following command:
5. >> SAVECFG
A system configuration file has now been saved to the TFTP server. Adjust the local configuration to
conform with the example below to make a valid system configuration. All of the parameters in the
default local configuration file can be maintained in the system configuration file. If a parameter is not in
the system configuration file, a SP2 station will use what is locally configured at the station for that value.
A system configuration must start and end with the [SYSTEM] label. SP2 stations read the configuration
file parameters from the top down. If a parameter is listed more than once; the SP2 station will take the
last valid setting that applies.
NOTE: Do not configure volume settings in the system configuration if you wish to adjust them locally.
Configuring the First SP2 Station
The first SP2 station must be configured with the station ID (group/zone and station number) of the
highest priority station stored in the MASTERLIST parameter in the configuration file. This station is
then connected to a laptop/PC using a network cable or USB cable and powered up.
An administrator must then connect to this station and either update the existing system configuration or
load a previously generated system configuration file as shown below.
NOTE: You must always connect to the current master station when updating a system configuration.
See “Appendix B—Packet Sender” for information on how to find the existing master station of
a previously configured system. This information can also be obtained by connecting to any
SP2 station and executing the “STATUS” command. This will give you the Master IP address.
1. >> SET CFG_MODE STD
2. >> SET TFTPSERVER 192.168.1.221
3. >> SET CFG_FILENAME SYSTEM1.TXT
4. >> REBOOT
Use the LOADCFG command once a valid system configuration exists on the TFTP server. Be sure to
have CFG_MODE=MUTUAL and a DESIGNATION other than FACTORY in your system
configuration. When the LOADCFG command is executed the unit will reboot and will become the
master station that will provide additional units the system configuration as they are powered on.
5. >> LOADCFG
To load additional units set the station ID (group/zone and station number) as desired and then power on
the unit. The master station will transfer the system configuration to that unit. The unit will then reboot
and implement the settings contained in the system configuration file.
NOTE: A reboot should always be executed after changing the group/station hex switches to a different
addresses.
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Manually Changing Parameters while CFG_MODE=MUTUAL
Only the AMPVOL, HANDSETVOL, HEADSETVOL, and 600OHM_OUT_VOL parameters can be
modified while mutual provisioning is in effect:. These settings should only be locally modified if they
are not included in the system configuration. Verify that these settings are not set in the system
configuration file maintained on the master stations before making local adjustments to these settings on a
particular SP2 station. The settings can be modified via local configuration or by opening the station and
adjusting the potentiometers. Refer to the manual for the particular model of SP2 station for instructions
on manually adjusting the potentiometers. Adjusting the SPKR potentiometer will adjust AMPVOL and
the RCVR potentiometer which will adjust either the HANDSETVOL or HEADSETVOL parameter.
If it becomes necessary to modify any other parameter besides the volume parameters listed above while
CFG_MODE=MUTUAL; perform the following:
1. Connect to the station via local provisioning.
2. Issue the following commands:
1.
2.
3.
4.
>> SET CFG_MODE STD
>> SET PARAMETER NEW VALUE YOU WISH TO CHANGE
>> SET CFG_MODE MUTUAL
>> REBOOT
The unit will then reboot and continue operation. If you have changed a parameter that is in the system
configuration file the SP2 will always take the one from the system configuration.
Appendix A—Preventing Windows from Assigning Multiple COM
Ports
WARNING
Serious problems might occur if you modify the registry incorrectly. These
problems might require that you reinstall the operating system.
To prevent Windows from assigning a new COM port number each time a new device with a FT232RL
IC is plugged into a USB port, the FTDI enumeration instructions must be DISABLED. This is done by
editing the registry on the Administrative computer. Two entries must be set in the following key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\UsbFlags register.
They are:

IgnoreHWSerNum04036001

IgnoreHWSerNum04036010
Each entry must have a value of 01.
Step by step instructions are outlined below:
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1. Click the Start Menu, select RUN and type regedit.
2. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\usbflags
3. Right-click usbflags.
A. Select New
B. Select Binary Value.
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4. Name the new entry: IgnoreHWSerNum04036001
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5. Double-click the new entry
Enter: 01 then click OK
6. Add another new Binary Value entry to usbflags as described above.
A. Name the new entry: IgnoreHWSerNum04036010
B. Assign value of: 01
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Appendix B—Packet Sender
Packet Sender is a free utility for sending TCP and UDP packets. This utility; or other multicast utilities,
can be used to perform auto discover, auto discover master and reboot commands. The Packet Sender
utility can be found at https://packetsender.com.
Creating a saved packet for SP2 auto discovery
1. Click the FILE menu and select SETTINGS. Click on the NETWORK tab and verify that ENABLE UDP
SERVER and ENABLE TCP SERVER are enabled. Put in a Port setting of 50000 for both as shown
below.
Figure 1. Configure TCP and UDP ports
2. Enter a name for the preset packet to be saved, Ex. “SP2DISCOVER”.
3. Set the address to the address stored in the CONTROL_SOCK parameter.
4. Set the port number to the port stored in the CONTROL_SOCK parameter.
5. Set the packet type to UDP.
6. Click the SAVE button.
Figure 2. Packet Sender with SP2 Saved Packets
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Performing a SP2 Discovery
A response will be returned in the format:
[email protected],[email protected]@[email protected]@[email protected]_VE
[email protected][email protected]_CRC
Glossary of Terms
ALS
Ambient Level Sensing is used to monitor external speakers by sensing ambient
noise levels to adjust speaker volume.
MAC ADDRESS
A Media Access Control (MAC) address, also called the physical address, is a
unique identifier assigned to network interfaces for communication on a physical
network segment. MAC addresses are assigned by the manufacturer of a network
interface controller (NIC) and are stored in its hardware. Each NIC must have a
unique MAC address on a physical network.
IP ADDRESS
Internet Protocol address (IP address) is a numerical label assigned to each
device participating in a computer network that uses the Internet Protocol for
communication.
Two versions of the Internet Protocol (IP) are in use: IP Version 4 (IPv4) and IP
Version 6 (Ipv6). Each version defines an IP address differently.
 An IPv4 address consists of 32 bits (4 octets).
 Example: 192.168.1.100
 An Ipv6 address consists of 128 bits. Eight groups of four hexadecimal
digits
Example: 2001:0db8:0:0:0:ff00:0042:8329
PRIVATE IP
ADDRESS
IP Addresses which are reserved for use on private networks. These addresses
cannot connect directly to the Internet.
IPv4:
 10.0.0.0 – 10.255.255.255
 172.16.0.0 – 172.31.25.255
 192.168.0.0 – 192.168.255.255
SUBNET MASK
Used in conjunction with an IPv4 IP address, the subnet mask is used to separate
an IP address into logical network and host address components. Every host on
a unique logical network must have the same subnet mask.
Subnet Mask format—xxx.xxx.xxx.xxx (where xxx = 0-255)
DEFAULT
GATEWAY
The IP address of the router to which all packets will be routed to for hosts that
are not located on the same logical network. This is the address of the network
router used to connect to devices on a different network.
HOSTNAME
Hostnames are human-readable nicknames that resolve to the IP address of a
device connected to a network. Hostnames are typically used in an
administrative capacity and may appear in computer browser lists, active
directory lists, IP address to hostname resolutions, email headers, etc.
DHCP
Dynamic Host Configuration Protocol is a network service used to automatically
assign IP address configuration data to hosts configured to request it upon bootup. A DHCP server typically assigns an IP address, subnet mask, default
gateway, and DNS server addresses.
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DNS
Domain Name System is a network service used by IP network hosts to convert
host names to IP addresses
IGMP
Internet Group Management Protocol is a communications protocol used by
hosts, switches, and routers for creating, joining, and leaving multicast groups.
TIME-TO-LIVE
(TTL)
This is a mechanism that limits the lifespan of IP data packets in a network.
Data is discarded if the prescribed TTL elapses. Each time the IP data packet
passes through a router, the TTL value is decremented by a value of 1. When the
value reaches 0, the IP data packet is discarded. A TTL of 1 is restricted to the
same subnet and won’t be forwarded by a router.
SMTP
Simple Mail Transfer Protocol is the procedure behind the flow email on the
Internet.
SNTP
Simple Network Time Protocol is the method used by IP network devices to
obtain standardized time from a time server.
TFTP
Trivial File Transfer Protocol is a subset of the FTP file transfer protocol used by
network clients to issue requests to read or write to/from a particular file on an
FTP server computer.
CONFIGURATION
A named collection of settings that defines a station’s behavior.
NETWORK SOCKET
A network socket is the endpoint address of a service used in an inter-process
communication between hosts on a computer network. A port address is a
number assigned to a service running on a particular host. A socket address is
the combination of the IP address of the host and port number of the service,
much like one end of a telephone connection is the combination of a phone
number and a particular extension. Based on this address, Internet sockets
deliver incoming data packets to the appropriate application process or thread.
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