1 Connecting and Configuring the Analyzer. Agilent Technologies ES, 8714ET, 8712ET

1 Connecting and Configuring the

Analyzer

1-1

NOTE

Connecting and Configuring the Analyzer

About This Chapter

About This Chapter

This chapter describes how to

• connect your analyzer to your network

• set up a network

• configure your analyzer

• verify connectivity

• manage user names and passwords

• configure your analyzer automatically using

BOOTP

• run programs automatically using

BOOTP

In order to complete the steps in this chapter, you'll need

❏ A computer with a LAN interface, running an operating system that supports TCP/IP, like UNIX® or Microsoft Windows 95®. A typical computer would be an IBM-compatible Pentium®-based PC with a

10Base-T LAN card, or an HP J210 PA-RISC workstation.

❏ A computer program that communicates over the LAN using TCP/IP.

This might be an FTP or telnet program, or a program that you write.

This will be covered in detail in the following chapters.

❏ LAN cabling, and typically a LAN hub.

If you only wish to print to a LaserJet printer via the LAN, you'll need

❏ an HP LaserJet printer with an HP JetDirect LAN interface card

❏ LAN cabling, and typically, a LAN hub

Older versions of Novell Netware used IPX networking protocol exclusively. IPX protocol is not compatible with TCP/IP protocol.

Newer versions of Novell Netware, such as version 3.1x and 4.xx

accommodate add-on products which provide a gateway to a TCP/IP network. Consult your Novell network administrator for the latest information on using Novell Netware with TCP/IP protocol.

1-2 LAN Interface Supplement


Intoducing the LAN Interface


With the LAN interface you can

• transfer IBASIC programs between your computer and your analyzer

• transfer files between your computer and your analyzer using file transfer protocol (FTP)

• save files from your analyzer to a computer using network file system

(NFS)

• connect many analyzers to one computer

• automate the control of your analyzer

• program the analyzer using SCPI commands

• print hardcopy directly to an HP LaserJet printer

• use your analyzer’s Web links to find

✓ general information about the Agilent 87xx family of analyzers

✓ online documentation such as SCPI command references

✓ specific information about your analyzer such as your current firmware revision, installed options, even the analyzer’s current screen image

✓ general information about Agilent Technologies, and how to obtain assistance if you need it

LAN Interface Supplement 1-3



LAN Client/Server Functions

Your analyzer acts as either a client or server when you use the client/server features of the analyzer. For example, if you use Network

File System (NFS), your analyzer acts as an NFS client (see

Chapter 7,

“Using the Network File System (NFS),” on page 7-1 ). The table below

lists the client/server features of the analyzer, and the function performed by the analyzer when you use each feature:

BOOTP

FTP

NFS

SICL LAN

Client/Server Feature Analyzer Function

client server client server



Connecting the Analyzer to the LAN

Connecting the Analyzer to the LAN

Your analyzer has an RJ-45 connector (see Figure 1-1)

and connects to your network using 10Base-T unshielded twisted pair (UTP) cabling, also called Ethertwist. Ethertwist cables resemble standard modular phone cables.

NOTE If your network uses ThinLAN (10Base-2), you will need to purchase an

adapter which converts the ThinLAN BNC connector to 10Base-T

Ethertwist.

To connect the analyzer to your network:

1. Turn off the analyzer.

2. Connect the Ethertwist cable from your network to the LAN

ETHERTWIST port on the rear of your analyzer.

3. Turn on the analyzer.

Figure 1-1 The LAN ETHERTWIST Port



Setting Up a Network

Figure 1-2


If you do not already have a network, you will need to create one. A simple network consists of a central LAN hub with multiple Ethertwist cables, one connected to the LAN port of each network device. This is often called a star topology, with the LAN hub at the center.

• Typical 8-port hub

HP J2610B AdvanceStack 10Base-T Hub-8U

• Typical 16-port hub

HP J2611B AdvanceStack 10Base-T Hub-16U

• Typical Ethertwist cables

92268A twisted-pair “straight-through” cable, 4 meters

92268B twisted-pair “straight-through” cable, 8 meters

92268C twisted-pair “straight-through” cable, 16 meters

92268D twisted-pair “straight-through” cable, 32 meters

92268N twisted-pair “straight-through” cable, 300 meters

To order cables, contact the nearest Agilent Technologies sales or service office. See

Table 9-5 on page 9-11

for a list of sales and service offices.

Example of LAN Star Topology


NOTE

NOTE

NOTE



Point-to-Point Connections

It is possible to connect a single computer to a single analyzer, and avoid using a LAN hub. To do this, you must use a special “cross-over” cable or adapter, which acts like a LAN hub. See

“EIA/TIA 568B Wiring” on page

9-2

for wiring details. If you try to create a point-to-point connection using a standard “straight-through” cable, it will not work. For most applications, the use of a LAN hub is simpler, and additional devices can be added easily.

Some commercially-available cross-over cables do not implement the cross-over wiring required for your analyzer. Please refer to

“EIA/TIA

568B Wiring” on page 9-2 and verify all connections before using cables

not made by Agilent Technologies.

Point-to-point connections may not work when connecting to older laser printers. Older printers typically require a boot server for network use.

For a point-to-point connection with a printer, use an HP LaserJet 4 or newer.

Point-to-point connections do not require the use of proxy servers, since no server is present in a point-to-point network connection. To use a point-to-point connection, first disable the use of a proxy server in your

LAN software. Refer to your software documentation for instructions how to do this.


CAUTION


Configuring the Analyzer


Before you configure your analyzer, you will need to contact your network administrator to obtain the following information:

❏ an IP address for the analyzer

❏ a host name for the analyzer

❏ a gateway IP address

❏ a subnet mask

The Analyzer's IP Address and Hostname

Each device on your network must have a unique address so that all devices can communicate simultaneously over the same network. These unique addresses are called IP addresses, and are assigned by your network administrator. An IP address is a set of four decimal numbers, separated by periods, like

192.170.128.21

. In this document, the term

“LAN address” refers to the IP address.

It is important that no two devices are assigned the same IP address.

Both devices may fail to communicate on the network.

You may also receive (or request) from your network administrator a hostname for your analyzer, like my8712

.

The hostname is not required, but can be used on your computer so that you don't have to remember the IP address. Typically, the hostname is found in the

/etc/hosts

or control panel/network

file on your computer or is returned by a name server.

Your network administrator will apply for a range of IP addresses from the Internet Network Information Center (InterNIC). InterNIC is responsible for registering domain names and assigning TCP/IP network numbers to networks that connect to the Internet. You may contact

InterNIC via e-mail at [email protected]

, or by accessing their Web site at http://www.networksolutions.com

.




The Gateway Address

If your analyzer will be communicating with devices on different physical networks, you may need to have your network administrator assign a gateway IP address for you. The gateway IP address is the address of a routing device that connects your analyzer's LAN with other LANs. Set the gateway address to

0.0.0.0

if a gateway is not required. See

“To

Configure the Analyzer” on page 1-10

to set this.

See

“Subnets and Gateways” on page 8-15 for more information on

gateway addresses.

The Subnet Mask

If your analyzer will be communicating with devices on different physical networks, you may need to have your network administrator assign a subnet mask number for you. The subnet mask tells your analyzer whether a remote device is on the same LAN as your analyzer. If your analyzer is attempting to communicate with another device, the subnet mask defines whether your analyzer needs to route communications through the gateway. Set the subnet mask to

0.0.0.0

if a subnet mask is not required. See

“Configuring the Analyzer” on page 1-8 to set this.

See

“Subnets and Gateways” on page 8-15 for more information on

subnet masks.

The Ethernet Address

Your analyzer has a unique built-in Ethernet address associated with the

LAN hardware inside it. The Ethernet address is a 48-bit number assigned at the factory. You don’t have to know the Ethernet address to configure and use the analyzer, unless you are using the

BOOTP

feature

(see

“Using BOOTP” on page 1-15 for details).


NOTE



To Configure the Analyzer

1. Press

SYSTEM OPTIONS

LAN

to access the LAN menu.

After each of the following steps, the analyzer will prompt you to cycle power for the new setting to take effect. It is not necessary to cycle the power after each step. It only needs to be done once—when you are finished entering all of the settings.

2. Press

LAN Port Setup HP 871xxx IP Address

, and enter the

IP address that your network administrator assigned to your analyzer. You may have also received a hostname (for example: my8712

). You cannot enter the hostname into your analyzer, just the

IP address. The hostname can be used on your computer so that you don't have to remember the IP address.

3. Press

Gateway IP Address

, and enter the numbers assigned to you by your network administrator. If you were not assigned a gateway IP address, leave the setting at

0.0.0.0

(default value) to disable gateway routing.

4. Press

Subnet Mask

, and enter the numbers assigned to you by your network administrator. If you were not assigned a subnet mask, leave the setting at

0.0.0.0

(default value) to disable subnet masking.

5. Once you have entered these settings, cycle the power on your analyzer to initialize the LAN interface with these new values.



Testing the LAN Communication


You should now test communication between your computer and your analyzer.

The ping

utility is typically used to test LAN communication.

Running

Ping

under Windows 95

Enter the following at the command prompt of a DOS window on your computer or workstation: ping <IP address> or ping <hostname>

<IP address>

is the number that was assigned by your network administrator and was entered into your analyzer in

“To Configure the

Analyzer” on page 1-10

. The

<hostname>

is the hostname assigned to your IP address. For example, type: ping my8712 where my8712

is the

<hostname>

.

The ping

utility has three common responses. If there is a valid working connection, you should see a response similar to this:

Pinging my8712 [15.4.43.5] with 32 bytes of data:

Reply from 15.4.43.5: bytes=32 time=37ms TTL=252




If you see a response similar to the following, your connection may have a problem. Refer to

“Troubleshooting the Initial Connection” on page 8-3

for troubleshooting help and information.

Request timed out.

Request timed out.

Request timed out.

Request timed out.




The following response is generally caused by an incorrect subnet mask or IP address. It usually points to a software setting conflict, and does not signify a hardware problem.

Host Unreachable.

Host Unreachable.

Host Unreachable.

Host Unreachable.

Running

Ping

under UNIX

The ping

program is typically found in the

/etc

or

/usr/etc

directory, so you must add the appropriate directory to your path, or type the full path:

/etc/ping <IP address> 64 5 or

/etc/ping <hostname> 64 5

This command tells ping to send 5 packets of 64 bytes each.

The output should look similar to this:

PING hostname: 64 byte packets

64 bytes from 15.4.43.5: icmp_seq=0. time=8. ms




64 bytes from 15.4.43.5: icmp_seq=4. time=3. ms hostname PING Statistics

5 packets transmitted, 5 packets received, 0% packet loss round-trip (ms) min/avg/max = 3/4/8

If you do not see any output after about 20 seconds, interrupt the ping command using

^c

(hold down the “Ctrl” key, and press “c”). Once you do this, the ping program should provide some statistics on how many packets were sent and received. If the statistics look like hostname PING Statistics

4 packets transmitted, 0 packets received, 100% packet loss there is a communications problem. Refer to

“Troubleshooting the Initial

Connection” on page 8-3

for troubleshooting help and information.


NOTE

NOTE


Managing User Names and Passwords


Your analyzer implements a limited form of network security using user name and password pairs. Any remote access of the analyzer, including

Telnet or FTP access, requires a valid user name and associated password.

A default user name and password pair is set for you prior to shipment:

User Name network

Password analyzer

You should change this user name and password if you want to use the security features of the analyzer, since the default user name and password is the same for all new analyzers, and is therefore public.

Constructing Valid User Names and

Passwords

A valid user name must have 1 to 40 characters. A valid password must have 8 to 40 characters.

Adding New User Names and Passwords

You can add up to seven user name/password pairs to the analyzer’s access list.

Perform the following steps to add a new user name and password to the access list:

1. Press

SYSTEM OPTIONS

LAN Login User Setup

.

2. Press

Add Login User

.

3. Type the user name in the displayed dialog box.

4. Press

Enter

when you are done.

5. Type the password in the displayed dialog box.

6. Press

Enter

when you are done.


NOTE



7. Type the password again (to confirm the password) in the displayed dialog box.

8. Press

Enter

when you are done.

If the entries are valid, the new user name and password will be confirmed with the following message:

User ... has been added to the list

Removing a User from the Access List

Perform the following steps to remove a user from the access list:

1. Press

SYSTEM OPTIONS


.

2. Press

Delete Login User

.

3. Type the user name in the dialog box that is displayed.

4. Press

Enter

to confirm your entry.

5. Type the user password in the dialog box.

6. Press

Enter

to confirm your entry.

If the entries are valid you should see a confirmation message displayed on the screen:

User ... has been deleted from the list

If you forget any of the user passwords, you will have to delete all users by pressing

SYSTEM OPTIONS


Delete All Users

and re-enter all user names and passwords.

Displaying the Access List

1. Press

SYSTEM OPTIONS


.

2. Press

Display User List

.

A table of the login user names will be displayed on the screen.



Using BOOTP

Using BOOTP

BOOTP Fundamentals

The Bootstrap Protocol

(BOOTP

) is a simple and elegant method of automatically distributing network information and software via the

LAN.

BOOTP

is built on the client-server model. The

BOOTP

client

configures itself using configuration information obtained from a

BOOTP

server. Your analyzer has a built-in

BOOTP

client. The analyzer can use

BOOTP

to configure itself automatically, obtaining its network configuration information (IP address, gateway address, and subnet mask) from a central

BOOTP

server over the network. On power up, the analyzer broadcasts a request to boot from a remote server. If a

BOOTP server is available on the LAN listening for

BOOTP

client requests, it transmits configuration parameters to the analyzer over the network.

The analyzer uses those parameters automatically.

BOOTP

can also be used to automatically retrieve and execute an IBASIC program at boot time. The boot file is transferred to the analyzer from the

BOOTP

server using FTP or trivial file transfer protocol (TFTP). If the transfer is successful, the file will be loaded into the analyzer’s memory and executed. The boot file can be any valid IBASIC program.

Setting Up the

BOOTP

Server

To use the

BOOTP

client in your analyzer, you need a

BOOTP

server application running on a remote UNIX system or a PC. A

BOOTP

server, bootpd

(

BOOTP

daemon), is an integral part of most UNIX operating systems. You will need to obtain a separate

BOOTP

server application for your PC. Consult your network administrator for obtaining a

BOOTP server application for your PC, and for assistance setting up a

BOOTP server.

The following steps are required to use

BOOTP

:

1. Assure that the analyzer and

BOOTP

server are not separated by a gateway. Consult your network administrator if you are not sure.

2. Set up a

BOOTP

server application on a remote host (UNIX system or

PC). You will need the following information:



Using BOOTP

❏ The Ethernet address of the analyzer. To find out the Ethernet address of your analyzer, press

SYSTEM OPTIONS

LAN LAN Port Setup

Ethernet Address

.

❏ An IP address for the analyzer. This address is usually assigned by your network administrator.

❏ An optional

BOOTP

host name and IP address.

❏ An optional absolute (fully qualified) path to the boot file, which includes all the directories leading to it. If you want to retrieve an

IBASIC boot program from your

BOOTP

server at boot time and execute it, you must know the absolute path to the boot file. The boot file must be accessible using FTP or TFTP.

❏ The LAN gateway address and the subnet mask.

Setting Up the

BOOTP

Client

Perform the following steps to set up the

BOOTP

client in your analyzer:

1. Press

SYSTEM OPTIONS

LAN BOOTP Setup

.

2. Toggle [BOOTP] to ON if needed to enable

BOOTP

. The softkey label will change to

BOOTP ON off

.

3. Press

FTP

or

TFTP

to select either FTP or TFTP file transfer method. If your remote system requires a user name and password, you must use FTP, since TFTP does not implement any user validation.

If you select

FTP

a. Press

FTP User Name

remote

BOOTP

host.

and enter a valid user name for your b. Press

FTP Password

remote

BOOTP

host.

and enter a valid password for your

4. Press

Timeout

and enter a timeout time, in seconds, for

BOOTP requests. This value is typically between one and five seconds. The

Timeout

value is the number of seconds that your analyzer will spend transmitting

BOOTP

requests at boot time. If there is no response to the first

BOOTP

request, then the analyzer will retransmit


NOTE

NOTE

NOTE


Using BOOTP

a request. The analyzer will continue to retransmit requests at exponentially increasing time intervals until it receives a response or the

Timeout

value has expired.

5. Press

Optional Boot Host

and enter a hostname or a host IP address if you want

BOOTP

requests sent to a specific remote host only. Otherwise, the analyzer will broadcast a

BOOTP

request at boot time, and will accept a response from any

BOOTP

server.

If you do not want to use

Clear Entry

Etry

Enter

, make sure that it contains a null or empty string by pressing


.


If you use


, you are also required to set up your analyzer’s IP address. Refer to

“To Configure the Analyzer” on page 1-10

for details on how to set up your analyzer’s IP address.

A local

HOSTS

file is required to specify a boot host by name. A local

HOSTS

file is not required to specify a boot host by IP address.

“Using a

Local HOSTS File” on page 7-11

for details about creating and using a local

HOSTS

file.

6. Press

Optional File Name

and enter an absolute (fully qualified) path to the file to be loaded and executed when the analyzer boots.

For example, if your file name is test23.bas

, and the path to the file is

/server5/users/testeng/prodtests

, enter the following for the absolute (fully-qualified) path name:

/server5/users/testeng/prodtests/test23.bas

You must use the UNIX-style forward slash (/) to separate names when you enter path names in the analyzer (the

BOOTP

client). You may need to use some other character to separate names when you enter path names in your particular BOOTP server.


NOTE


Using BOOTP

Normally, your analyzer will obtain this file name from the

BOOTP server, but you can override this using


. If you do not want to use


a null string. To do that, press

, make sure that it contains


Clear Entry

Etry

Enter

You can set up your

BOOTP

server to select the file to download when the analyzer boots. Consult your

BOOTP

server documentation or your system administrator about setting up a

BOOTPTAB

file on the

BOOTP server.

Testing

BOOTP

After your analyzer has been set up correctly as a

BOOTP

client, make sure that the

BOOTP

server is also set up correctly and is running.

Consult your network administrator if you need help doing this.

Perform the steps below to verify that

BOOTP

works correctly:

1. Press

SYSTEM OPTIONS

LAN BOOTP Setup

Parameters Received

.

The following dialog box will appear:


Figure 1-3

BOOTP

Setup Dialog Box


Using BOOTP

The dialog box shown above displays the following information:

Host Addr the host address of the BOOTP server

IP Addr

Gateway the analyzer IP address set by BOOTP process the analyzer gateway IP address set by the BOOTP process

Subnet Mask the subnet mask set for the analyzer by the BOOTP process

File Path the absolute (fully-qualified) path name received from the BOOTP server, or the [Optional File Path] if set

Step one shows the network parameters received from the BOOTP server. To verify that your IBASIC boot file is working correctly, perform steps two through four.



Using BOOTP

2. Clear your current network configuration information.

a. Press

SYSTEM OPTIONS


871xxx IP Address


b. Press

Clear Entry

Etry

SYSTEM OPTIONS

Enter

.


Gateway IP Address


c. Press

SYSTEM OPTIONS

Clear Entry

Etry

Enter

.


Subnet Mask

81xxx IP Addre

Clear Entry

Etry

Enter

.

3. Create an IBASIC file that, when run, will clearly indicate the successful retrieval and execution of the file. Store it on the

BOOTP server. Here's an example:

10 ASSIGN @Hp8712 TO 800

20 OUTPUT @Hp8712;"DISP:ANN:TITL ON"

30 OUTPUT @Hp8712;"DISP:ANN:CLOC:MODE OFF"

40 OUTPUT @Hp8712;"DISP:ANN:TITL1:DATA 'BOOTP is here!!!'"

50 END

4. Cycle power to your analyzer. After your analyzer boots, the network

IP address, gateway address and subnet mask should be those values provided by the

BOOTP

server.

If you have a boot file set up correctly, your analyzer should also retrieve and execute your boot file. If you used the example program above, the screen will display

BOOTP is here!!!


NOTE


Setting Up LAN Features with Wizards

Setting Up LAN Features with Wizards

IBasic LAN Wizard

An IBasic LAN wizard program is included with the analyzer to assist users in setting up the LAN features. It is located on the Example

Program Disk, part number 08714-10003, under the name lan_wiz

.

Windows LAN Wizard

A Windows-based LAN wizard program is also included with the analyzer to assist users in setting up the LAN features. It is located on the Example Program Disk, part number 08714-10003, under the name wiz871x.exe

.

It is necessary to set up the analyzer’s IP address and SCPI socket port number before using this program.

Example programs for the analyzer can be found in the following two locations:

• Example Programs Disk, 8712ET/ES and 8714ET/ES (DOS format): part number 08714-10003

• Web site http://www.agilent.com. Use the search function to find Web pages related to 8712 and 8714 example programs and wizard programs.


1 Connecting and Configuring the Analyzer. Agilent Technologies ES, 8714ET, 8712ET

1 Connecting and Configuring the

Analyzer

NOTE

About This Chapter

Intoducing the LAN Interface

LAN Client/Server Functions

Client/Server Feature Analyzer Function

Connecting the Analyzer to the LAN

NOTE If your network uses ThinLAN (10Base-2), you will need to purchase an

Figure 1-1 The LAN ETHERTWIST Port

Figure 1-2

Setting Up a Network

Example of LAN Star Topology

NOTE

NOTE

NOTE

Point-to-Point Connections

CAUTION

Configuring the Analyzer

The Analyzer's IP Address and Hostname

The Gateway Address

The Subnet Mask

The Ethernet Address

NOTE

To Configure the Analyzer

LAN

LAN Port Setup HP 871xxx IP Address

Gateway IP Address

Subnet Mask

Testing the LAN Communication

Running

Ping

under Windows 95

Running

Ping

under UNIX

NOTE

NOTE

Managing User Names and Passwords

Constructing Valid User Names and

Passwords

Adding New User Names and Passwords

LAN Login User Setup

Add Login User

Enter

Enter

NOTE

Enter

Removing a User from the Access List

LAN Login User Setup

Delete Login User

Enter

Enter

LAN Login User Setup

Delete All Users

Displaying the Access List

LAN Login User Setup

Display User List

Using BOOTP

BOOTP Fundamentals

Setting Up the

BOOTP

Server

LAN LAN Port Setup

Ethernet Address

Setting Up the

BOOTP

Client

LAN BOOTP Setup

BOOTP ON off

FTP

TFTP

FTP

FTP User Name

FTP Password

Timeout

Timeout

NOTE

NOTE