Gemini Implementation Guide
Implementation Guide
ISSUE 3.2
TRILOGY COMMUNICATIONS LIMITED
26 Focus Way
Andover
Hampshire
SP10 5NY
United Kingdom
Telephone.
+44 (0) 1264 384000
Fax.
+44 (0) 1264 334806
www.trilogycomms.com
Gemini Implementation
The Copyright of the information and drawings in this document is
the property of Trilogy Communications Limited of Andover,
Hampshire and is neither to be reproduced in whole or in part, nor
disclosed to a third party, without the prior written consent of
Trilogy Communications Limited.
The information in this document has been carefully compiled and
checked for accuracy. However, Trilogy Communications Limited
accepts no responsibility for inaccuracies which may occur and,
further, reserves the right to make changes to specification or
design without prior notice.
Comments or correspondence concerning this manual should be
addressed to the Publications Manager at the address given at the
front of this User Guide.
DOCUMENT NUMBER
Issue
2.4
2.5
3.0
3.1
3.2
Page 2 of 35
Date
2 October 2013
28 October 2013
14 May 2014
18 August 2015
28 February 2016
70090620.docx
ISSUE 3.2
Reason for Change
Safety notices
Added note re PSU fixing sec. 2.5
Additional option boards
Reformat
New logo, beltpack revision
Approved
Trilogy Communications
Gemini Implementation
CONTENTS
1.
2.
3.
INTRODUCTION ......................................................................................................... 5
1.1 RELATED DOCUMENTS ..................................................................................................................... 5
1.2 SYSTEM IMPLEMENTATION ............................................................................................................... 5
1.3 OPTIONS AVAILABLE AND MODULE TYPE NUMBERS ............................................................................. 6
INSTALLATION ........................................................................................................... 7
2.1 INTRODUCTION ............................................................................................................................... 7
2.2 UNPACKING ................................................................................................................................... 7
2.3 RACK MOUNTING ........................................................................................................................... 7
2.4 EARTHING REQUIREMENTS ............................................................................................................... 7
2.5 MAINS CONNECTION AND SAFETY...................................................................................................... 8
2.6 STARTING THE SYSTEM ..................................................................................................................... 9
2.6.1 IP Address Plan ................................................................................................................... 9
2.6.2 Gemini Browser ................................................................................................................ 10
2.7 GATEWAY CONFIGURATION SOFTWARE ............................................................................................ 10
2.7.1 Installing the software ...................................................................................................... 10
2.7.2 Database........................................................................................................................... 11
2.7.3 Software Features............................................................................................................. 12
2.7.4 Firewall ............................................................................................................................. 12
GEMINI FRONT PANEL SCREEN ................................................................................. 13
3.1 HOME SCREEN .............................................................................................................................. 13
3.2 STATUS MENU .............................................................................................................................. 14
3.2.1 Status – Hardware ............................................................................................................ 14
3.2.2 Status – Software.............................................................................................................. 14
3.3 TOOLS MENU ............................................................................................................................... 15
3.3.1 Tools – Monitor................................................................................................................. 15
3.3.2 Tools – GPI ........................................................................................................................ 15
3.3.3 Tools – GPO....................................................................................................................... 15
3.3.4 Tools – Routes ................................................................................................................... 15
3.3.5 Tools – Reset ..................................................................................................................... 15
3.3.6 Tools – Panels ................................................................................................................... 15
3.4 SETTINGS MENU ........................................................................................................................... 16
3.4.1 Settings – Setup ................................................................................................................ 16
3.4.2 Settings – System .............................................................................................................. 16
3.4.3 Settings – Log In................................................................................................................ 16
3.5 INFO MENU ................................................................................................................................. 17
3.5.1 Info – System .................................................................................................................... 17
3.5.2 Info – Wiring ..................................................................................................................... 17
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4.
5.
6.
7.
CONNECTING TO THE MATRIX .................................................................................. 18
4.1 CONNECTING TO GEMINI ................................................................................................................ 18
4.1.1 Option Boards 1 – 4 (ports 1 – 32) .................................................................................... 20
4.1.2 Camera Mix Connector ..................................................................................................... 20
4.1.3 Fault Loop ......................................................................................................................... 20
4.1.4 Auxiliary Power ................................................................................................................. 20
4.1.5 General Purpose Interface (GPI) Inputs and Outputs ....................................................... 21
4.2 OPTION BOARDS ........................................................................................................................... 23
4.2.1 700-26-20 Audio Expansion Board - 8 Channel ................................................................ 23
4.2.2 700-26-21 MADI /AES Interface Board ............................................................................. 24
4.2.3 700-26-23 Telephone Interface Board – FXO – 4 Channel ................................................ 25
4.2.4 700-26-25 IP Panel Interface - 8 Channel ......................................................................... 25
NETWORKING .......................................................................................................... 26
5.1 CONNECTING NETWORKED SYSTEMS ................................................................................................ 26
5.1.1 Design 1 ............................................................................................................................ 26
5.1.2 Design 2 ............................................................................................................................ 27
5.1.3 Design 3 ............................................................................................................................ 28
5.1.4 Design 4 ............................................................................................................................ 29
5.1.5 Design 5 ............................................................................................................................ 30
5.2 700-26-16 FIBRE INTERFACE BOX................................................................................................... 31
5.2.1 Connectors ........................................................................................................................ 31
5.2.2 Connection Diagrams ....................................................................................................... 32
OTHER EQUIPMENT.................................................................................................. 33
6.1 BELTPACKS ................................................................................................................................... 33
6.2 RT EQUIPMENT ............................................................................................................................ 33
SPECIFICATION ......................................................................................................... 34
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
GENERAL ..................................................................................................................................... 34
MATRIX AUDIO SPECIFICATION........................................................................................................ 34
PANELS ....................................................................................................................................... 34
HIGH SPEED LINK (HSL) ................................................................................................................. 34
GENERAL PURPOSE INTERFACE (GPI) ............................................................................................... 34
MECHANICAL AND ENVIRONMENTAL ................................................................................................ 35
CONNECTORS ............................................................................................................................... 35
PC .............................................................................................................................................. 35
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Gemini Implementation
1. INTRODUCTION
Trilogy’s pioneering Gemini ‘Distributed Matrix’ Intercom addresses the demanding needs of today’s
broadcast and professional media industries namely; expandable structure to cope as requirements change,
choice of operator panels to suit both application and user, simple installation over short and long distances
and absolute reliability, to deliver a unique intercom solution that combines full programme quality audio
with integrated IP capability.
Gemini’s architecture is built on the concept of a de-centralised, scalable platform of 32 port matrices each
with IP connectivity. The 20 kHz audio performance is preserved both internally and over a Gemini network
of up to 256 ports using the proprietary High Speed Link (HSL) over standard Cat 6 or fibre connections. This
approach eliminates the single point of failure, and combined with both the use of a dual redundant ring of
audio and IP failsafe routing ensures that Gemini delivers ultra-resilient performance.
Gemini’s flexible design is suited to every application ranging from small single studios to the largest multistudio complex and then using Gemini’s seamless IP interfacing a network can be expanded almost
limitlessly both in terms of system size and geographic location via LAN, WAN or Satellite. Intuitive system
operation allied to connectivity for both traditional and IP enabled intercom panels together with support
for telephony and intelligent interfacing to analogue and SIP enabled phone systems and portable devices
makes Gemini undoubtedly the most flexible system available today.
1.1 RELATED DOCUMENTS
Document
70090622
70090620
70090630
Description
Gateway Configuration Guide
Gemini Implementation Guide This Document
Gemini Quick Start Guide
Document
70090628
70090626
Description
Control Panel Installation Guide
Messenger Implementation Guide
70090627
Messenger Quick Start Guide
1.2 SYSTEM IMPLEMENTATION
This manual provides installation information for the Gemini Intercom system. Cabling and pin-out
information is included for all of the Trilogy manufactured items plus some commonly used third party
equipment. Other information relating to the hardware configuration will be useful if the system is
upgraded or expanded in the future.
•
•
•
•
•
•
Section 2 covers the matrix assembly and installation, to the point where the matrix may be
powered
Section 3 explains the use of the Gemini front touch screen.
Section 4 covers all of the cabling necessary to complete the installation and gives details of the
range of option boards.
Section 5 provides information on connecting multiple matrices to form a network.
Section 6 provides information on installing other equipment (e.g. telephones, radio talkback).
Section 7 gives the system specification for matrix hardware, control panels and the configuration
computer.
For further assistance please contact Trilogy Communications Technical Support Department at the
address given at the front of this document. You may also contact us via the Broadcast Division website
at www.trilogycomms.com or directly by e-mail at:
broadcastsupport@trilogycomms.com.
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1.3 OPTIONS AVAILABLE AND MODULE TYPE NUMBERS
Please contact our Sales Department for a complete listing of the current module types.
Each Gemini matrix unit is available with 1, 2, 3 or 4 option boards, providing a mix of panel, audio and
telephony facilities. Extra option boards may be easily fitted at any time. The second (redundant spare)
power supply and the DSP board (which enables networking over IP) are also available as options, either
with the initial purchase or later.
Part Number
700-26-15
700-26-20
700-26-21
700-26-23
700-26-25
700-26-34
700-26-31
700-26-35
Description
Redundant Power Supply
8 port audio expansion board (AEB)
AES / MADI Interface board
4 line telephony board (FXO)
IP Panel Interface (IPPI)
8 channel DSP Module (IP Networking)
32 channel DSP Module (IP Networking) – replaced by 700-26-35
32 channel Networked DSP Module (IP Networking)
Due to the nature of talkback systems, any given installation may have some custom items. Trilogy
Communications prides itself on its ability to tailor standard components to meet specific requirements
and is willing to discuss any other customisation as required.
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2. INSTALLATION
2.1 INTRODUCTION
Follow the sequence below, step by step, to install the Gemini matrix.
• Unpack the matrix.
• Fit the matrix frame into the equipment bay.
• Apply power to the system and check basic operation.
• Connect control panels and check operation with the supplied configuration.
• Set up the configuration PC by installing the Gateway Configuration software.
2.2 UNPACKING
Carefully unpack the equipment from its transit material and check each item for signs of damage.
Check the contents of the boxes against our despatch note and your original order to ensure that you have
received the correct parts.
In the event that the unit has been damaged or does not match your order, immediately contact Trilogy
Communications at the address given at the front of this guide.
2.3 RACK MOUNTING
General - The matrix is built in multiples of 2U. The depth of each chassis (excluding mating connectors) is
375 mm. Appropriate care should be taken with cooling and ventilation within the equipment bay. The air
inlet is on the right side of the chassis, towards the rear, as viewed from behind while the exhaust is on the
left side. Take care not to obscure these vents.
Elevated Operating Ambient - If installed in a closed or multi-unit rack assembly, the operating ambient
temperature of the rack environment may be greater than room ambient. Therefore, consideration should
be given to installing the equipment in an environment compatible with the maximum ambient temperature
specified by the manufacturer.
Reduced Air Flow - Installation of the equipment in a rack should be such that the amount of air flow
required for safe operation of the equipment is not compromised.
Mechanical Loading - Mounting of the equipment in the rack should be such that a hazardous condition is
not achieved due to uneven mechanical loading.
Circuit Overloading - Consideration should be given to the connection of the equipment to the supply circuit
and the effect that overloading of the circuits might have on overcurrent protection and supply wiring.
Appropriate consideration of equipment nameplate ratings should be used when addressing this concern.
Reliable Earthing - Reliable earthing of rack-mounted equipment should be maintained. Particular attention
should be given to supply connections other than direct connections to the branch circuit (e.g. use of power
strips).
2.4 EARTHING REQUIREMENTS
This equipment is Class 1 and must be connected to an earthed supply.
Each Gemini chassis is provided with a single 4mm-earthing stud on the rear panel. Incoming mains earth
from the IEC connector is internally bonded to both the chassis and technical 0V to meet safety
requirements and performance specifications. The stud allows the addition of an earth strap in rack
installations.
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2.5 MAINS CONNECTION AND SAFETY
Important
Power Supply Cord Used as Disconnect Means
CAUTION: THE POWER SUPPLY CORD IS USED AS THE MAIN DISCONNECT DEVICE. ENSURE THAT THE
SOCKET-OUTLET IS LOCATED / INSTALLED NEAR THE EQUIPMENT AND IS EASILY ACCESSIBLE.
ATTENTION: LE CORDON D’ALIMENTATION EST UTILISÉ COMME INTERRUPTEUR GÉNÉRAL. LA PRISE DE
COURANT DOIT ÊTRE SITUÉE OU INSTALLÉE À PROXIMITÉ DE L’ÉQUIPMENT ET ÊTRE FACILE D’ACCÉS.
The power supplies within the unit are a switched mode design and will cope automatically with a wide input
voltage range (see specification, section 7). There are no user accessible fuses inside the power supply. The
power supplies are crowbar protected against short circuits of the matrix electronics. Each power supply
module must be retained using the screws provided.
The standard Gemini is fitted with a single mains power supply unit (PSU), with an option to fit a second PSU.
Each power supply has its own, dedicated, IEC mains plug on the rear of the Gemini. These should be wired
according to the instructions provided with a mating mains socket using suitable cable. See above for
earthing requirements.
Mains cable conductors are to be three-core (two-wire with ground), wire gauge 18 AWG (cross sectional
area 0.75mm²) Jacket to be type SJT.
Covers are only to be removed by trained personnel. Shock hazard exists with covers removed; therefore
disconnect mains supply before removal. Interconnection between circuit boards and panels are all safety
extra low voltage (SELV) as defined by IEC/EN/CSA/UL 60950-1-200X. The equipment signal connections
must only be connected to SELV circuits to prevent hazards from improper connection.
There are no user replaceable fuses inside the Option (port) Modules.
CAUTION: RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE.
ATTENTION: RISQUE D’EXPLOSION EN CAS DE REMPLACEMENT PAR UNE PILE DE TYPE INCORRECT.
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2.6 STARTING THE SYSTEM
2.6.1 IP Address Plan
Each Gemini matrix chassis requires a single, static IP Address. In addition, the 700-26-35 Networked DSP
Module requires two further static addresses. To create a Gemini network, these IP addresses will normally
be part of the same subnet, or different subnets linked by routers.
•
•
If Gemini is connected to a completely private network, you can choose the addresses yourself
If Gemini is joining a corporate LAN, you may need to discuss and agree the addresses with your IT
Department.
Create a network plan before powering up the system. A typical plan is shown below.
EDHS
IP
Gemini 1
0.1.1
192.168.200.200
IP Panel 1
Gemini 2
0.1.1.25
0.1.2
192.168.200.221
192.168.200.201
Gemini 3
0.2.1
192.168.6.10
Database
n/a
192.168.200.50
DSP IP 1
DSP IP 2
192.168.200.211
192.168.200.212
192.168.200.213
192.168.200.214
192.168.6.11
192.168.6.12
IPPI
Subnet Mask
192.168.200.220
255.255.255.0
Gateway
Address
192.168.200.1
255.255.255.0
255.255.255.0
192.168.200.1
192.168.200.1
255.255.255.0
192.168.6.1
255.255.255.0
192.168.200.1
Notes
1. Gemini 3 is shown in a different domain, as seen by the “D” value of 2 within the EDHS address. For a
detailed explanation, please refer to the Gateway Configuration Guide.
2. It is important to be consistent when entering values. For example, if a Gateway Address is defined,
it must then be entered across all hardware and software screens.
3. Gemini 1 is fitted with a single, optional IP Panel Interface (IPPI). Each IPPI requires a single IP
address for itself and supports up to 8 IP connected panels. The first such panel is shown in the plan
with address 192.168.200.221.
It is important to keep this address plan close at hand when writing your Gateway Configuration.
On delivery, unless previously arranged, all matrices will carry the same address, so it is important to power
each matrix in turn before connecting to the network, and set the assigned address using the front panel
screen. Networked DSP and IPPI addresses are only defined within the database.
The configuration PC running the Gateway software and associated database must also be connected to the
same network. Best practice dictates that the database is running at all times although the Gateway editor
may be shut down after use. It is possible to install the database and Gateway on separate PCs although in
the first instance we recommend that they are installed on one computer to simplify setup. See section 2.7.1
for more information on installing the software.
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2.6.2 Gemini Browser
Once the IP address has been set for each Gemini matrix, a browser facility is provided to allow further
configuration during the setup period. This is an engineering tool and it is not a replacement or alternative to
the Gateway configuration editor. To browse into each Gemini matrix, simply enter its IP address into the
address line of your web browser. For example, if you set the IP address of your Gemini matrix to be
192.168.100.1, just type this address into your browser as shown below and press <return>.
The default password for both
user and admin level access is
trilogy.
2.7 GATEWAY CONFIGURATION SOFTWARE
Since the standard Gateway installation includes a database, the software should ideally be installed on a PC
which ideally is permanently accessible by the Gemini matrix. If the PC is subsequently switched off or
removed, the matrix will continue to operate but a slight loss of functionality will occur. The minimum PC
specification is given in Section 7.
2.7.1 Installing the software
The software is normally provided on a CD which will auto-run when loaded into the optical drive on your
PC. For security reasons, your PC may not allow discs to auto-run; in this case, use Windows Explorer to
browse to the “Software” folder of the CD and double click the file “TrilogyV5Setup.exe”.
When the installation application appears, we suggest that you accept the default options on most of the
screens. The Gateway Configuration Editor requires a database, so the most common installation scenario is
that shown below. If you wish, Gateway and the database may be installed on different PCs but we suggest
that in the first instance you install both applications side-by-side, and separate them once the system is
working correctly.
On all other screens, we suggest that
you accept the default values offered.
There is no need to restart your PC
once the installation is complete.
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2.7.2 Database
The database is managed by a Windows service named “Trilogy Database
Supervisor”. This service is loaded automatically every time the PC boots up,
and it then runs in the background. A small graphical application is also
provided as part of the installation. This allows you to monitor the current
status of the database and to perform routine maintenance and
troubleshooting. It is optional and you may choose only to run it when
required. By default, the installation will add a shortcut to the Windows
start-up folder and a small additional icon will be displayed in the Windows
system tray adjacent to the clock (see icon on left). On double clicking the
icon, the database supervisor is displayed (below).
As mentioned above, the database and Gateway may be installed on separate PCs if so required. For
example, the database may be installed on to a server, while Gateway is installed on a laptop, which may
then be shut down and removed. Gateway can also be installed on multiple PCs or laptops, although
simultaneous access is not permitted. See Gateway user Guide for more information on configuring multiple
user accounts.
Remember –
• The database is the heart of the system.
• Both Gemini and Gateway connect to the database as clients. Both have settings to connect to the
database IP address.
• Each Gemini keeps a local, cached copy of the database information relevant to itself. This means
the database can be switched off or disconnected, but ideally, it should be present at all times.
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2.7.3 Software Features
Versions 4.1.0.x and later will prompt
you for a feature unlock code when first
run. The code is supplied with your
original purchase CD and you should
keep this safe for any future reinstallation. Additional paid for features
may be unlocked by entering a new
code.
2.7.4 Firewall
Following installation of the software as described above it will be necessary to open a number of ports on
the computer firewall. It is beyond the scope of this document to describe in detail how to do this due to the
range of operating systems, use of Windows or third-party firewall applications, and the differing
permissions which May be granted to Windows users or administrators.
The most common scenario is the Windows firewall and this requires the following rule to be added for
inbound ports.
• TCP 12005
• TCP 12006
• TCP 13001
Please contact your IT Administrator or Trilogy Technical Support for further assistance.
2.7.5 Using Gateway
The default log-in credentials are:
Admin | trilogy
For further information please refer to the Gateway Configuration Guide, 70090622, supplied on CD.
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3. GEMINI FRONT PANEL SCREEN
Each Gemini matrix is equipped with a QVGA LED touch screen. This provides the following functionality:
• initial setup including network IP parameters
• System information including current configuration, software version etc.
• diagnostics including fan and power supply status
• audio monitoring
• visibility of GPI input and output states
• wiring information
The information is provided through a series of touch operated menus. All changes to settings which could
potentially disrupt the system are password protected. The default password is trilogy.
3.1 HOME SCREEN
When the system has powered up and initialised, the home screen will appear. The key areas of this screen
are explained below.
Navigation icons are normally
here: on all other screens,
icons allow you to step back
through the menus or return
to the home screen.
The System
name may be
displayed here.
Active alarms are indicated by a flashing
red icon. Once acknowledged, if still
present, the alarms indicator changes
to a steady amber icon. For details
touch the icon.
The upper 20% of the screen is used consistently as an information bar. The alarms indicator and navigation
icons appear on most screens.
The lower 80% of the screen provides either further menu choices or is used as the principal display area.
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Status
Tools
Settings
Info
Read only menus provide status information on the current status of
both hardware and software.
See section 3.2 for more information.
A selection of maintenance and diagnostic tools is provided. A soft
reset the facility is also available.
See section 3.3 for more information.
The IP settings may be viewed as read only, or following entry of the
Administrator password, the settings may be changed.
See section 3.4 for more information.
Read only menus provide wiring information for all of the rear panel
connectors.
See section 3.5 for more information.
3.2 STATUS MENU
Navigation icons are now displayed
at the top left of the screen within
the information bar.
3.2.1 Status – Hardware
A green indicator shows that the item is
operating correctly. An item which has
failed, or is not operating correctly will
show a red indicator.
3.2.2 Status – Software
This screen provides the software versions currently installed on the Gemini and shows if the Gemini is
currently connected to the database by a green or red indicator.
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3.3 TOOLS MENU
3.3.1 Tools – Monitor
Monitor each matrix input signal using the front panel headset.
3.3.2 Tools – GPI
View the status of GPI input signals presented to Gemini.
3.3.3 Tools – GPO
View the status of GPI output signals generated by Gemini.
3.3.4 Tools – Routes
Not currently available.
3.3.5 Tools – Reset
This allows a “soft” reset to be performed, with an appropriate warning dialogue, since the Gemini will be
out of service for approximately 20 seconds.
3.3.6 Tools – Panels
This useful diagnostic menu allows you to view on a per-port basis, the current panel connectivity. Three
different states are indicated:
• Green shows that a panel is both configured and responding
• Red indicates that a panel is configured on this port but cannot be detected
• Grey indicates that a panel is not configured on this port
Only the data lines are verified: this diagnostic does not check audio to and from the panel.
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3.4 SETTINGS MENU
3.4.1 Settings – Setup
This menu allows some low level parameters to be altered, including the touch-screen audio click.
3.4.2 Settings – System
Gemini network parameters and system identity (EDH address) may be viewed on this menu. To edit these
settings, first log-in using the option below.
3.4.3 Settings – Log In
Enter the Administrator password using the telephone style keypad.
The default password is trilogy, so press
the corresponding keys 8745649 as
shown. The screen will display *******.
For security, the system will auto log-out after 5 minutes inactivity, or if the Gemini is reset to implement
changes. It may be appropriate to manually log-out if leaving the Gemini unattended.
The default password may be changed using the web browser: we would recommend keeping a record of
the password with multiple, trusted personnel.
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3.5 INFO MENU
3.5.1 Info – System
This screen provides hardware information including type and revision numbers for the system mainboard
and option boards.
3.5.2 Info – Wiring
This screen provides wiring information for all external connectors. The same information is provided in
Section 4.1 of this manual.
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4. CONNECTING TO THE MATRIX
This section provides information for the connection of a single Gemini matrix. Networked Gemini matrix
systems are built using multiple frames, linked using a combination of IP networking and the proprietary
high speed link (HSL) as appropriate.
• Information about different option boards is provided in Section 4.2.
• Information on building a Gemini network is given in Section 5.
4.1 CONNECTING TO GEMINI
For a single Gemini matrix, just the following connections are required for initial operation:
• IP Network link to a suitable PC, running the Gateway editor software and database applications.
• Mains (one or two connectors).
• Matrix ports. See Section 4.2.
Trilogy provides a range of option boards which may be fitted in the Gemini chassis. At the time of writing
(March 2016) these are as follows:
700-26-20
700-26-21
700-26-23
700-26-25
Audio Expansion Board - 8 Channel
MADI /AES Interface Board
Telephone Interface Board – FXO – 4 Channel
IP Panel Interface - 8 Channel
Within some simple rules, the boards may be freely mixed within each chassis. Please see Section 4.2 for
detailed information.
The following drawing shows the rear view of a fully loaded single 2U Gemini matrix, with 4 700-26-20 Audio
Expansion Boards, providing a total of 32 ports. Due to the modular nature of the design, module types are
not identified externally. Viewed from the rear, port 1 is at bottom left of the port connection area and port
32 is at top right.
Item
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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Description
HSL (High Speed Link) +
HSL (High Speed Link) GPI Input 1 - 16
GPI Output 1 - 16
Camera Mix
COM Port
Fault Loop
LAN
Aux Power
Port 1 - 8
Port 9 - 16
Port 17 - 24
Port 25 - 32
Power Supply 1
Power Supply 2
Connector on chassis
RJ45
RJ45
D25 plug.
D25 socket.
D25 socket
D9
D9 socket.
RJ45
Hirose 3 pin socket
RJ45 x 8
RJ45 x 8
RJ45 x 8
RJ45 x 8
IEC
IEC
Trilogy Communications
14
11
1
2
3
4
5
6
7
8
9
10
13
12
15
Gemini Implementation
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4.1.1 Option Boards 1 – 4 (ports 1 – 32)
Please see Section 4.2 for detailed information.
4.1.2 Camera Mix Connector
This connector provides a mixing pad for up to 6 inputs from cameras, plus a 6 output audio distribution
amplifier to supply talkback to a group of cameras.
Connector type: Chassis mounted D25 socket.
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
Function
Screen/Chassis
From Cam 1+
From Cam 2+
From Cam 3+
From Cam 4+
From Cam 5+
From Cam 6+
To Cam 1+
To Cam 2+
To Cam 3+
To Cam 4+
To Cam 5+
To Cam 6+
Pin
Function
14
15
16
17
18
19
20
21
22
23
24
25
From Cam 1From Cam 2From Cam 3From Cam 4From Cam 5From Cam 6To Cam 1To Cam 2To Cam 3To Cam 4To Cam 5To Cam 6-
4.1.3 Fault Loop
A single general purpose fault loop indicates a fault condition when open. The fault condition occurs on loss
of any main power supply rail, loss of any standby power supply rail (if the redundant spare PSU is fitted) or
failure of the internal fan.
Connector type: Chassis mounted D9 socket.
Pin
1
2
6
3,4,5,7,8,9
Function
Chassis Ground
General fail General fail +
No connection
The general purpose output circuit is opto-isolated open collector, maximum current 160mA, absolute
maximum voltage +60V.
4.1.4 Auxiliary Power
Auxiliary power, suitable for Trilogy wired beltpacks, is provided on the rear of each Gemini. Internal fuses
are self-resetting.
Connector type: Chassis mounted 3 pin Hirose socket.
Pin
1
2
3
Function
+12 VDC, ±0.5 V, fuse protected at 450 mA.
Ground
-12 VDC, ±0.5 V, fuse protected at 200 mA.
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Trilogy Communications
Gemini Implementation
4.1.5 General Purpose Interface (GPI) Inputs and Outputs
Each Gemini matrix frame provides 16 GPI inputs, plus 16 GPI outputs.
GPI Input Connections
Connector type: Chassis mounted D25 plug.
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Function
Input 1
Input 3
Input 5
Input 7
Ground
Input 9
Input 11
Input 13
Input 15
Ground
Ground
No connection
No connection
Input 2
Input 4
Input 6
Input 8
No connection
Input 10
Input 12
Input 14
Input 16
No connection
Ground
Ground
GPI Input Wiring
VCC
R1
Q1
R2
PB SW
R3
D1
Inputs are activated by a closure to ground shown as a push button (PB).
Input Specification:
Input Activation
Absolute Maximum Voltage
Page 21 of 35
<1.0V with respect to unit 0V.
+60V.
Trilogy Communications
Gemini Implementation
GPI Output Connections
GPI Outputs are divided into two types. Outputs 1-8 share a common ground: outputs 9-16 are fully floating.
Connector type: Chassis mounted D25 socket.
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Function
Output 1
Output 3
Output 5
Output 7
Ground
Output 9+
Output 10+
Output 11+
Output 12+
Output 13+
Output 14+
Output 15+
Output 16+
Output 2
Output 4
Output 6
Output 8
Output 9Output 10Output 11Output 12Output 13Output 14Output 15Output 16-
GPI Output Wiring
V+
V+
VCC
RL
RL
VCC
R1
R1
Output 1-8 (Common Ground)
Output Specification:
Absolute Maximum Load Voltage
Absolute Maximum Load Current
Page 22 of 35
Output 9-16 (Floating)
+60V
350mA
Trilogy Communications
Gemini Implementation
4.2 OPTION BOARDS
Trilogy provides a range of option boards which may be fitted in the Gemini chassis. At the time of writing
(March 2016) these are as follows:
Audio Expansion Board - 8 Channel
MADI /AES Interface Board
Telephone Interface Board – FXO – 4 Channel
IP Panel Interface - 8 Channel
700-26-20
700-26-21
700-26-23
700-26-25
Within some simple rules, the boards may be freely mixed within each chassis. The numbering of ports is
indicated by text silk screened on the rear of the chassis and also on the drawing above. Port 1 is at the
bottom left connector, port 8 is at the bottom right; port 25 is the top left and port 32 the top right. It should
be noted that some boards do not provide physical port mapping in the traditional sense but still occupy one
option slot on the chassis.
4.2.1 700-26-20 Audio Expansion Board - 8 Channel
The most common option board supports a mix of 8 panels and / or 4-wire audio circuits. The 8 ports may be
freely configured one-by-one in software and there are no hardware changes required.
Connector type: Chassis mounted RJ-45.
RJ-45 Pin
1
2
3
6
5
4
7
8
shell
Function
Matrix Data in +
Matrix Data in Matrix Data out +
Matrix Data out Matrix Audio in +
Matrix Audio in Matrix Audio out +
Matrix Audio out Cable Screen
Panel Data out
Cable
Pair 1
Panel Data in
Pair 2
Panel Audio out
Pair 3
Panel Audio in
Pair 4
Rear panel connectors are shown below.
Port 1
Page 23 of 35
Port 8
Trilogy Communications
Gemini Implementation
4.2.2 700-26-21 MADI /AES Interface Board
The MADI and AES option board is used within a Gemini system to provide digital audio inputs and outputs.
The board has one MADI input, one MADI output plus four AES inputs and outputs (eight audio channels).
For MADI, the option board has both BNC connectors and a fibre module. The MADI is able to
receive/transmit a data stream with 56 or 64 audio channels: the number of channels is automatically
detected. The board supports audio with a sampling rate of 48 kHz. The AES interface has four balanced
inputs and four balanced outputs. Each input/output consists of two audio channels. The AES channels are
capable of transmitting/receiving audio sampled at 48 kHz only.
MADI Fibre: MM fibre with LC connectors.
MADI BNC: 75Ω impedance. Peak to peak output level between 0.3V and 0.6V when correctly terminated.
Word Clock: Minimum level 1.5V when terminated 75Ω. The clock may be looped from board to board
should multiple boards be installed. It is not terminated internally although an internal jumper (J22) may be
fitted if wished.
AES D25 Fixed socket
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
Function
Input 1 / 2 +
Input 3 / 4 +
Input 5 / 6 +
Input 7 / 8 +
Output 1 / 2 +
Output 3 / 4 +
Output 5 / 6 +
Output 7 / 8 +
n/c
Ground
n/c
Ground
Ground
Pin
14
15
16
17
18
19
20
21
22
23
24
25
Function
Input 1 / 2 Input 3 / 4 Input 5 / 6 Input 7 / 8 Output 1 / 2 Output 3 / 4 Output 5 / 6 Output 7 / 8 Ground
Ground
Ground
Ground
Rear panel connectors are shown below.
Fibre
module
Page 24 of 35
MADI
input
MADI
output
Word
Clock
AES input / output
D25 socket
Trilogy Communications
Gemini Implementation
4.2.3 700-26-23 Telephone Interface Board – FXO – 4 Channel
The FXO option board provides 4 telephone channels, each with a phone loop through. The telephone ports
use RJ 11 connectors.
Rear panel connector layout is shown below.
FXO
Phone
Port 1 loop 1
FXO
Port 2
Phone
loop 2
FXO
Port 3
Phone FXO
loop 3 Port 4
Phone
loop 4
FXO - RJ11 Pin-out
Pin
1
2
3
4
5
6
Function
n/c
n/c
Ring
Tip
n/c
n/c
4.2.4 700-26-25 IP Panel Interface - 8 Channel
This option board allows for the connection of up to 8 IP enabled panels from the Trilogy product range.
Please contact Trilogy for details of available panel types.
The option board has a single RJ45 connector which should be connected to the same LAN segment as the IP
enabled panels. This LAN segment may, or may not be the same as the Gemini network. There is no technical
benefit either way and the choice is made purely on convenience.
It is worth noting that the option board carries a simple DHCP server which may be used to simplify panel
addressing by avoiding the allocation of static IP addresses. Since only one DHCP server per LAN segment is
permitted, this may affect the consideration.
Rear panel connector layout is shown below.
Page 25 of 35
Trilogy Communications
Gemini Implementation
5. NETWORKING
5.1 CONNECTING NETWORKED SYSTEMS
Gemini matrix units may be interconnected using either the proprietary high speed link bus (HSL), over a
local or wide area network, or any combination of these techniques to fulfil a particular application.
The following series of diagrams indicates some of the possible arrangements.
5.1.1 Design 1
This shows a single, large matrix, linked by HSL, with a sole administrator.
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
Page 26 of 35
Trilogy Communications
Gemini Implementation
5.1.2 Design 2
The complete matrix is planned to fit in two physical locations in the same building with the HSL bus
extended either directly or indirectly. There is a single administrator who manages the entire system from a
central location. In this design, the network infrastructure is a simple LAN.
+
-
+
-
+
Studio B
-
+
-
+
-
+
-
+
Studio A
-
+
-
Page 27 of 35
Trilogy Communications
Gemini Implementation
5.1.3 Design 3
This is a variation of the previous design. The complete matrix is planned to fit in two physical locations in
the same building with the HSL bus extended either directly or indirectly. There is a single administrator who
manages the entire system from a central location. In this design, the network uses two independent
subnets, linked by routers. The Gemini design takes account of this by incorporating the correct network
gateway addresses.
+
-
+
-
+
Studio B
-
+
-
+
-
+
-
+
Studio A
-
+
-
Page 28 of 35
Trilogy Communications
Gemini Implementation
5.1.4 Design 4
Here, two single Gemini matrices are shown, located in different cities. Consequently the HSL bus is not
used. Two networking Domains are linked using either routers or a VPN provided by the client IT
Department. Audio traffic now passes between the units over IP. There is a sole administrator (database and
configuration) located in City 1.
City 1
+
-
+
-
City 2
Page 29 of 35
Trilogy Communications
Gemini Implementation
5.1.5 Design 5
This is an enhanced version of the previous design. Here, two 128 port Gemini matrices are shown, located
in different cities. The HSL bus is used to link four individual matrix blocks at each site. Two networking
Domains are linked using either routers or a VPN provided by the client IT Department. Local audio traffic at
each site passes over the HSL bus: audio traffic between cities is sent over IP. There is a sole administrator
for database and configuration management located in City 1.
+
-
+
-
+
-
+
City
-
+
City
-
+
-
+
-
+
-
KEY
Gemini building block
HSL
Ethernet – data
Ethernet – data plus VoIP
Page 30 of 35
Ethernet – Router
Ethernet – Switch
Trilogy Communications
Gemini Implementation
5.2 700-26-16 FIBRE INTERFACE BOX
Where Gemini matrices are more than 100 metres apart, the HSL may be extended by use of the 700-26-16
Fibre Interface Box. A single 700-26-16 may be connected to a Gemini matrix ranging in size from 32 to 256
ports, as shown in the diagrams below. The fibre type is single-mode, using LC duplex connectors.
The box connects to both the HSL+ and HSL- ports, as well as to the (n-1) and (n+1) points on the overall
Gemini ring, thus providing greater resilience. The box is DC powered, using a supplied mains PSU.
5.2.1 Connectors
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Trilogy Communications
Gemini Implementation
5.2.2 Connection Diagrams
2 locations
3 locations
Page 32 of 35
Trilogy Communications
Gemini Implementation
6. OTHER EQUIPMENT
6.1 BELTPACKS
Beltpacks may be connected to the matrix on ports configured as 4-wire. They require an external DC voltage
supply, either single or dual rail, depending on the model. A 3 pin Hirose socket is provided on the rear of
each matrix with ± 15V protected by an internal self-resetting fuse. See section 4.1.4 for connector details.
The table below show the different belt box types.
Type
No. of input
channels
(from matrix)
Fixed Connector type
(to matrix)
Mating Connector type
required (to matrix)
Supply
voltage
required (note 3)
Headset
connector
(socket)
410-50-12
1
XLR6 Male
XLR6 Female
XLR5 Female
410-50-13
2
Hirose 12 Way Plug
RM15TRD-12P
Hirose 12 Way Socket
RM15TPD-12S
+8.5V to +15V
(note 3)
±8.5V to ± 15V
(note 3)
XLR5 Female
Notes:
1. All beltpacks have one output channel (i.e. return to the matrix).
2. The beltpack press-to-talk (PTT) switch is normally momentary action. The -12 and -13 types may be
ordered with a latching talk switch, using part codes 410-50-12-L & 410-50-13-L.
3. The beltpack will operate reliably on a wide range of supply voltages. Current consumption is
approximately 30mA per beltpack. If powered from the matrix, knowledge of the resistivity of
installed cable (Ω / 100 m) allows a simple calculation of likely voltage drop.
The following tables give individual connector pin-outs for each model.
410-50-12 Single Channel Beltpack
Connection to Matrix
XLR6 - Pin
Function
1,2 (+,-) pair
Audio output from box to
matrix
3,4 (+,-) pair
Audio input to box from
matrix
5
0V
6
+8.5V to +15V (see note
3 above)
Pin
1
2
3
4
5
410-50-13 Two Channel Beltpack
Connection to Matrix
Hirose 12 way - Pin Function
1
Chassis
2,3 (+,-) pair
Audio 1 input to box (PTB)
4,5 (+,-) pair
Audio 2 input to box (Prog Snd)
6,7 (+,-) pair
Audio output from box to matrix
8
+8.5V to +15V (see note 3 above)
9
-8.5V to -15V (see note 3 above)
10
0V
11,12
n/c
All models Headset Connector (XLR5 Socket)
Function
Mic in (screen)
Mic in (signal)
Headset Ground
Headset Out
Headset Out
6.2 RT EQUIPMENT
Radio Talkback equipment may be supplied by Trilogy as part of a complete system. It is not manufactured
by Trilogy and will be supplied with the original equipment manuals.
The usual configuration consists of one or more base stations and a number of portable transceivers. The
base stations are connected to the matrix using normal 4 wire audio ports according to the pin-out
information in 0.
Page 33 of 35
Trilogy Communications
Gemini Implementation
7. SPECIFICATION
7.1 GENERAL
Number of ports
Camera Mix/DA
Front panel headset
Gemini Network
IP Channels
7.2 MATRIX AUDIO SPECIFICATION
Port Type
Frequency Response
Nominal Level
Input Gain Control
Output Gain Control
Maximum Input Level
Maximum Output Level
Crosstalk
Noise
Distortion
Input Impedance
Output Impedance
Sample Rate
Resolution
7.3 PANELS
Panel Communication
Power
Maximum cable run
Connection to Matrix
7.4 HIGH SPEED LINK (HSL)
HSL Data Rate
Audio delay
Maximum cable run
HSL over fibre
8 – 32 per Gemini matrix, depending on number of Audio Boards
(700-20-00) fitted
6 channel, 4 wire
XLR5 socket. Microphone type: dynamic.
Up to 8 Gemini matrices per ring, giving a maximum of 256 ports
32 channels when DSP option is fitted
4 wire electronically balanced
-3 dB @ 20 Hz and 20 kHz
0 dBu
+12 dBu to -12 dBu (1db step resolution) via Gateway
+12 dBu to -40dBu (1db step resolution) via Gateway
+20 dBu
+20 dBu
<–95 dBu @ 1 kHz worst case
< –62 dBu ITU-R-468 weighted
< –69 dBu ITU-R-468 un-weighted
<0.025%, 0 dBu at 1 kHz
24 kΩ
50 Ω
48 kHz
16 bit
Balanced RS422 at 230.4 kBaud
See individual sections
300 m.
4 twisted pair cable. STP only
270 Mb/s
1.2 ms (typical)
100 m between Gemini matrices
Max 2 km using Trilogy supplied fibre converter
7.5 GENERAL PURPOSE INTERFACE (GPI)
Inputs
Outputs
Page 34 of 35
16: activated by closure to ground
Input activation <1.0 V wrt unit 0 V
Absolute Maximum input +60 V
16 opto-isolated
8 with common ground, 8 floating
Absolute Maximum load voltage +60 V
Absolute Maximum load current 350 mA
Trilogy Communications
Gemini Implementation
7.6 MECHANICAL AND ENVIRONMENTAL
Dimensions
Weight
Operating Temperature
Storage Temperature
Humidity
Approvals
Power (single or optional
dual)
Power consumption
Cooling
Auxiliary power out
7.7 CONNECTORS
Power
Matrix Port
Camera Mix/DA
GPI Input
GPI Output
Fault Loop
Serial Com port
HSL +
HSL LAN
Aux Power out
Headset (front panel)
7.8 PC
Operating System
CPU
Memory
Hard Drive
Optical Drive
Antivirus software
Graphics
Page 35 of 35
483(w) x 89(h) x 375(d) mm 19 inch x 2RU rack mounting chassis.
Quoted depth excludes mating connectors.
5 kg net fully equipped (including optional dual PSU)
0°C to +50°C
-55°C to +70°C
90% non-condensing
Emissions - EN55022
Immunity - EN55024
Safety - EN60950 CSA UL
100/240 V ac, 1.8A, 50/60 Hz
< 65 W fully loaded per matrix
Fan assisted
Intake : right side rear exhaust : left side rear
+12 VDC ±0.5V, 450 mA
-12 VDC ±0.5 V, 200 mA
Internally fused, auto resetting.
3 pin IEC chassis plug with retainer (1 per power supply)
RJ45
D25 socket
D25 plug
D25 socket
D9 socket
D9 plug
RJ45
RJ45
RJ45
Hirose 3 pin socket
XLR5 socket
Windows 7/8/10 - 32 or 64 bit (64 preferred)
Intel Core i3 or better
4 GB minimum, 8 GB preferred
No specific requirement
Optional for software installation
Trilogy database directory must be excluded from any scan
1024 x 768 minimum resolution
Trilogy Communications
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