AMG AMG4787BER-SF Bedienungsanleitung

AMG Systems Ltd. reserves the right to make changes to this

document without notice. The information herein is believed to

be accurate. No responsibility is assumed by AMG for its use.

Page 1 of 12 AMG4787BER-SF Instruction Sheet

D18314-00.doc

AMG4787BER-SF

Instruction Manual

8 Channel Video Transmit Unit with 9 Bi-directional Data

and Audio Channels plus Ethernet for a Singlemode Single

Fibre Link

The AMG4787BER-SF is a rackmount eight channel video transmit unit designed to transmit 8 video

signals and transmit and receive up to 9 data or audio signals plus full duplex 100BaseT Ethernet

connectivity over one Singlemode fibre. The 9 data/audio channel interfaces, whether RS232, RS422,

RS485, 20mA, TTL, Contact Closure, Lonworks or Audio, are defined at manufacture by the addition

of daughter boards fitted onto the Data Expansion Board B.

The AMG4787BER-SF is designed to plug into an AMG2009 or AMG2015 subrack, which in turn fits

into a 19" rack system.

The AMG4787BER-SF is designed to operate with AMG4788BEN-SF or rackmount equivalent

AMG4788BERN-SF eight channel video receive unit in a point to point configuration.

AMG Systems Ltd. reserves the right to make changes to this

document without notice. The information herein is believed to

be accurate. No responsibility is assumed by AMG for its use.

Page 2 of 12 AMG4787BER-SF Instruction Sheet

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Contents

Introduction 3

Unit Functional Schematic.................................................................................................................. 3

Optical Connection ............................................................................................................................. 3

Connections 4

Video Input Connections .................................................................................................................... 4

Optical Connections ........................................................................................................................... 4

Power Connection .............................................................................................................................. 4

Ethernet Connection........................................................................................................................... 4

Data and Audio Channel Connections ............................................................................................... 4

Data and Audio Channel Configuration 5

Data and Audio Channels................................................................................................................... 5

Data Channel A Configuration............................................................................................................ 5

Data Interface Connections Channel A .............................................................................................. 5

Bank B Data........................................................................................................................................ 6

Data Interface Daughter Board Options ............................................................................................. 6

Data and Audio Channel Configuration.............................................................................................. 6

Daughter Board Layout ...................................................................................................................... 6

Data and Audio Daughter Board Fitting Instruction............................................................................ 6

Data and Audio Connections Bank B ................................................................................................. 7

Ethernet Operation 8

Front Panel Indicators 9

Power LED.......................................................................................................................................... 9

Video Input LED’s............................................................................................................................... 9

Fibre Optic LED’s ............................................................................................................................... 9

Low Speed Data LEDs ....................................................................................................................... 9

Physical Information 11

Dimensions ....................................................................................................................................... 11

Mounting Details............................................................................................................................... 11

Removal / replacement from / to the Case....................................................................................... 11

Safety 11

Maintenance and Repair 11

AMG Systems Ltd. reserves the right to make changes to this

document without notice. The information herein is believed to

be accurate. No responsibility is assumed by AMG for its use.

Page 3 of 12 AMG4787BER-SF Instruction Sheet

D18314-00.doc

Introduction

Unit Functional Schematic

The AMG4787BER-SF transmits up to 8

video and 9 data signals to the

AMG4788BEN-SF.

It also receives 9 data signal transmitted

from the AMG4788BEN-SF.

Ethernet connectivity is also provided

between the two units.

Optical Connection

The AMG4787BER-SF is connected as illustrated below when used with an AMG4788BERN-SF 8-

channel receive unit acting as a point to point system.

AMG Systems Ltd. reserves the right to make changes to this

document without notice. The information herein is believed to

be accurate. No responsibility is assumed by AMG for its use.

Page 4 of 12 AMG4787BER-SF Instruction Sheet

D18314-00.doc

Connections

Video Input Connections

No. of channels....................................8

Connector ............................................75 ohm BNC Socket.

Input Impedance ..................................75 ohm terminated.

Input Level ...........................................1 volt p-p nominal

Frequency Response...........................10Hz to 7MHz.

Optical Connections

PRIMARY OPTO OUT

Connector ............................................LC/PC

Optical Fibre ........................................One fibre - Singlemode

Primary Optical Launch Power ............-5dBm

Wavelength..........................................1310nm

Primary Optical Sensitivity ...................-22dBm

Wavelength..........................................1310nm

Power Connection

Power supply .......................................from plug in connection on the AMG2009 / AMG2015 subrack

Power consumption .............................10 Watts max.

Ethernet Connection

Ethernet Data Connector ....................RJ45

Interface ...............................................Auto-negotiation up to 100BASE-TX full duplex

Ethernet Data Rate ..............................Maximum 50Mbits/s total Ethernet traffic on fibre

Data and Audio Channel Connections

Total No. of Data Channels .................9 channels

DATA CHANNEL A

Data Channel A ...................................1 channel

Data Connector....................................RJ45

Channel A Interface On Board Data Interface – RS232, RS422 or RS485. Selected by slide switch

below RJ45 connector.

RS232 – switch position - high (closest to BNC connections)

RS422 – switch position – middle

RS485 – switch position – low (furthest from BNC connections)

DATA BANK B

Data/Audio Channels – BANK A .........Not Used

Data/Audio Channels – BANK B .........8 channels

Connector ............................................37-way D-Type female connector - shielded.

Connections.........................................See appropriate section for connection and configuration details

For the data or audio channels to be present, appropriate data daughter boards must be fitted onto the

data expansion board slots.

AMG Systems Ltd. reserves the right to make changes to this

document without notice. The information herein is believed to

be accurate. No responsibility is assumed by AMG for its use.

Page 5 of 12 AMG4787BER-SF Instruction Sheet

D18314-00.doc

Data and Audio Channel Configuration

Data and Audio Channels

The AMG4787BE-SF and rackmount equivalent AMG4787BER-SF sends and receives data to/from

Channel A and Bank B. Channel A is a single data interface selectable by the user with the slide

switch on the rear panel. Bank B carries up to 8 channels of data / audio, the physical interface of

which is determined by fitment of AMG data or audio daughter boards onto the B Channel data

expansion board slots.

Data Channel A Configuration

Channel A is always present and allows for a RS232, RS422 (full duplex, four wire) or RS485 (half

duplex, two wire) interface depending on the position of the switch located above the RJ45 connector.

The switch signifies the presence of the X16004 Low Speed Data/Audio Interface Board. If there are

LED's present on the RJ45 connector then an X16003 Ethernet Interface Board is fitted.

The data input for both the RS485 and the RS422 modes detects a tri-state input condition by

monitoring the differential voltage level across the input. A differential level below 600mV positive or

negative will be detected as a tri-state condition. A level above 600mV positive or negative will be

detected as a logic 1 or logic zero respectively. It is important therefore to terminate the RS485 bus or

the RS422 input bus using 120Ω if a pre-bias is present on the RS485 or RS422 bus.

A large number of third party equipment manufacturers apply a pre-bias on their RS485 bus. This pre-

bias is applied by pulling one arm of the RS485 bus high (+5 volts) and the other arm low (0 volts)

using high value resistors within the third party equipment. In order to ensure that the AMG equipment

detects a tri-state condition, then these resistors should have a value above 5kΩ. If the third party

bias resistors are less the 750Ω the bus can be double or triple terminated as required to ensure that a

tri-state level is detected.

Note: The Data Channel A is shipped from the factory set up for RS485 operation unless otherwise

requested.

Data Interface Connections Channel A

Channel A

RJ45 Pin

No. RS485

[switch low]

RS422 [switch

mid]

RS232

[switch high]

Cat 5/6 Cable

Colour Code T568B

1IN + (A) GND White/orange

2IN - (B) IN Orange

3 White/green

4 Blue

5 White/blue

6 Green

7IN/OUT + (A) OUT + (A) N/A White/brown

8IN/OUT - (B) OUT - (B) OUT Brown

Note: (A) or (B) in brackets in above table refers to RS485 / RS422 data specification, not Channel A,

Channel B.

AMG Systems Ltd. reserves the right to make changes to this

document without notice. The information herein is believed to

be accurate. No responsibility is assumed by AMG for its use.

Page 6 of 12 AMG4787BER-SF Instruction Sheet

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Bank B Data

Data Bank B channels are operational when fitted with appropriate daughter boards.

Data Interface Daughter Board Options

The data interface daughter board options are as follows:

Option Code

'x'

Part No. Description

0 X12542 4 Wire Audio Interface Daughter Board

1 X04057 RS422/485 Data Interface Daughter Board

2 X04049 RS232 Data Interface Daughter Board

3 X04058 20mA Current Loop Data Interface Daughter Board

4 X12579 TTL Data Interface Daughter Board

5 X12578 Contact Closure Data Interface Daughter Board

6 X13038 FTT10A Echelon Lonworks Data Interface Daughter Board

Data and Audio Channel Configuration

The data expansion board slots are accessed by removing the AMG unit from its case. A data channel

is active when a daughter board is installed in the required data channel slot. Each data interface

board enables one bi-directional channel.

Daughter Board Layout

The channel slots are as follows:

Data and Audio Daughter Board Fitting Instruction

The data and audio daughter boards pushed on to the pin headers mounted on the data expansion

boards. Ensure that the connectors are lined up correctly and not offset before pushing firmly in place.

Note that the data and audio channel numbers are associated with each slot. This allocates the pin

numbers on the rear panel connector together with the front panel LED indicators.

AMG Systems Ltd. reserves the right to make changes to this

document without notice. The information herein is believed to

be accurate. No responsibility is assumed by AMG for its use.

Page 7 of 12 AMG4787BER-SF Instruction Sheet

D18314-00.doc

Data and Audio Connections Bank B

The BANK B data/audio channels pin connections on the rear panel connectors are as follows:

No.

Description Bank Pin

No.

Description Bank

1 Audio/Data CH1 IN + (A) B 20 Audio/Data CH1 OUT + (A) B

2 Audio/Data CH1 IN - (B) B 21 Audio/Data CH1 OUT - (B) B

3 Audio/Data CH2 IN + (A) B 22 Audio/Data CH2 OUT + (A) B

4 Audio/Data CH2 IN - (B) B 23 Audio/Data CH2 OUT - (B) B

5 Audio/Data CH3 IN + (A) B 24 Audio/Data CH3 OUT + (A) B

6 Audio/Data CH3 IN - (B) B 25 Audio/Data CH3 OUT - (B) B

7 Audio/Data CH4 IN + (A) B 26 Audio/Data CH4 OUT + (A) B

8 Audio/Data CH4 IN - (B) B 27 Audio/Data CH4 OUT - (B) B

9 GND B 28 GND B

10 GND B 29 GND B

11 GND B 30 Audio/Data CH5 OUT + (A) B

12 Audio/Data CH5 IN + (A) B 31 Audio/Data CH5 OUT - (B) B

13 Audio/Data CH5 IN - (B) B 32 Audio/Data CH6 OUT + (A) B

14 Audio/Data CH6 IN + (A) B 33 Audio/Data CH6 OUT - (B) B

15 Audio/Data CH6 IN - (B) B 34 Audio/Data CH7 OUT + (A) B

16 Audio/Data CH7 IN + (A) B 35 Audio/Data CH7 OUT - (B) B

17 Audio/Data CH7 IN - (B) B 36 Audio/Data CH8 OUT + (A) B

18 Audio/Data CH8 IN + (A) B 37 Audio/Data CH8 OUT - (B) B

19 Audio/Data CH8 IN - (B) B

Note: (A) or (B) in brackets in above table refers to RS485/RS422 data specification not Bank A, B.

See Data or Audio Daughter Board Instruction Sheet for meaning of Audio/Data IN+, Audio/Data IN-

Audio/Data OUT+, and Audio/Data OUT- for each data type.

AMG Systems Ltd. reserves the right to make changes to this

document without notice. The information herein is believed to

be accurate. No responsibility is assumed by AMG for its use.

Page 8 of 12 AMG4787BER-SF Instruction Sheet

D18314-00.doc

Ethernet Operation

In order for the AMG system to transmit Ethernet signals, an onboard RJ45 Ethernet interface or

X16003 Ethernet interface adaptor should be fitted to both the Transmit unit and the Receive unit.

The Ethernet interface can operate at either 10Mbits/s half duplex, or 100Mbit/s full duplex, and data is

transmitted from one port the other port with the minimum of delay or buffering. The maximum

bandwidth (at 100Mbit/s full duplex) available for transmission across the fibre link is nominally

50MBit/s.

The 100BaseT port does not implement MDI/MDIX; it should be connected with a straight though

cable to an external switch port and with a cross over cable when connected directly to a PC or DTE.

AMG Systems Ltd. reserves the right to make changes to this

document without notice. The information herein is believed to

be accurate. No responsibility is assumed by AMG for its use.

Page 9 of 12 AMG4787BER-SF Instruction Sheet

D18314-00.doc

Front Panel Indicators

Power LED

Power .................................................. Green - unit powered

Off - no power applied to unit

Video Input LED’s

Video Present CH1-8 .......................... Green - video signal present on input BNC

R/G - channel present but no video on I/P BNC

Fibre Optic LED’s

Primary Opto Sync TX.........................Green - optical channel transmitting

Off - optical channel not transmitting

Primary Opto Sync RX ........................ Green - optical channel receiving

Org - optical channel receiving but not sync.

Off - optical channel not transmitting

Low Speed Data LEDs

Channel A

Data Present TX (RS485 or RS422) ... Green - logic zero (+V, -V) present on IN+, IN-

Red - logic one (-V,V+) present on IN+, IN-

Off - tri-state off or no connection on IN+, IN-

Data Present TX (RS232) ................... Green - logic zero (+V) present on input IN+

Red - logic transitions present on input IN+

Off - logic one (-V) present on input IN+

This represents the data signals being transmitted on the optical fibre

Data Present RX (RS485 or RS422)... Green - logic zero (+V,-V) present on OUT+, OUT-

Red - logic one (-V,+V) present on OUT+, OUT-

Off - tri-state off or no connection on OUT+, OUT-

Data Present RX (RS232) ................... Green - logic zero (+V) present on OUT+

Red - logic transitions present on OUT+

Off - logic one (-V) present on OUT+

This represents the data signals being received on the optical fibre

BANK B (When RS232 data daughter board fitted)

Data Present CH1-8 TX ...................... Green - logic zero (+V) present on IN+

Red - logic transitions present on IN+

Off - logic one (-V) present on IN+

This represents the data signals being transmitted on the optical fibre

Data Present CH1-8 RX ...................... Green - logic zero (+V) present on OUT+

Red - logic transitions present on OUT+

Off - logic one (-V) present on OUT+

This represents the data signals being received on the optical fibre

AMG Systems Ltd. reserves the right to make changes to this

document without notice. The information herein is believed to

be accurate. No responsibility is assumed by AMG for its use.

Page 10 of 12 AMG4787BER-SF Instruction Sheet

D18314-00.doc

BANK B (When RS485 / RS422 data daughter board fitted)

Data Present CH1-8 TX.......................Green - logic zero (+V, -V) present on IN+, IN-

Red - logic transitions present on IN+, IN-

Off - logic one (-V, +V) present on IN+, IN-

This represents the data signals being transmitted on the optical fibre

Data Present CH1-8 RX ......................Green - logic zero (+V, -V) present on OUT+, OUT-

Red - logic transitions present on OUT+, OUT-

Off - logic one (-V , +V) present on OUT+, OUT-

This represents the data signals being received on the optical fibre

BANK B (When audio daughter board fitted)

Audio Present CH1-8 TX .....................Green - audio present > -40dBm

Red - audio present > 0dBm (overload at +6dBm)

Off - audio not present or < -40dBm

This represents the audio signals being transmitted on the optical fibre

Audio Present CH1-8 RX.....................Green - audio present > -40dBm

Red - audio present > 0dBm (overload at +6dBm)

Off - audio not present or < -40dBm

This represents the audio signals being received from the optical fibre.

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