AMG AMG5525 Manuel utilisateur

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 8 AMG5525 Instruction Sheet D17212-

00.doc

AMG5525

Instruction Manual

Dual System with 2x Independent Channels each of :

[Single Channel Video Transmit Unit with one Bi-directional

Data Channel and two Uni-directional Alarms for a

Singlemode Fibre Link]

The AMG5525 is a DUAL rackmount system which provides two independent channels, each

designed to transmit 1 video signals plus 2 Uni-directional alarms and transmit and receive 1 data

signal over one Singlemode optical fibre.

The AMG5525 is designed to be powered using an AMG2001 standalone power supply.

The AMG5525 is designed to operate with an AMG5526 or rackmount AMG5526R dual channel video

receive unit in a point to point configuration. The R suffix in the partno. indicates a rackmount

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 8 AMG5525 Instruction Sheet D17212-

00.doc

Contents

Introduction 3

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

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

Connections 4

Video Output Connections .............................................................................................................4

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

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

Data and Alarm Channel Connections............................................................................................4

Front Panel Indicators 5

Power LED ....................................................................................................................................5

Low Speed Data LEDs...................................................................................................................5

Alarm LEDs ...................................................................................................................................5

Data and Alarm Channel Configuration 6

Data Channel Configuration...........................................................................................................6

Data Interface Connections............................................................................................................7

Alarm Channel Configuration.........................................................................................................7

Alarm Interface Connections..........................................................................................................7

Physical Information 8

Dimensions....................................................................................................................................8

Mounting Details............................................................................................................................8

Safety 8

Maintenance and Repair 8

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 8 AMG5525 Instruction Sheet D17212-

00.doc

Introduction

Unit Functional Schematic

The

AMG5525

provides two independent,

transmit channels.

Each channel transmits 1 video plus 1 data

and 2 uni-directional alarm signals to the

AMG5526 receive unit.

It also receives 1 data signals transmitted

from the AMG5526.

The schematic diagram shows one of the

two available channels of the AMG5525

Optical Connection

The AMG5525 connections are illustrated in the following example which shows an AMG5525

transmit unit together with an AMG5526R two channel standalone receive unit configured as a dual

channel 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 8 AMG5525 Instruction Sheet D17212-

00.doc

Connections

Video Output Connections

No. of channels.................................. 2 independent video channels

Connectors........................................ 75 ohm BNC Socket.

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

Input Level......................................... 1 Volt p-p nominal

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

Optical Connections Singlemode

No. of Optical Connections................. 1 per video channel

Optical Fibre...................................... Singlemode

Connector.......................................... SC/PC

Primary Optical Launch Power........... -10dBm

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

Primary Optical Sensitivity.................. -30dBm

Receive Wavelength.......................... 1510nm

Minimum Optical Dynamic Range ...... 20dB.

Power Connection

Connector Type................................. Removable 2-pin, 3.81mm, Screw Terminal

Connector Partno............................... Phoenix 1803578

Supply Voltage................................... +12 to +15 Volts DC

Maximum Power................................ 2.5 Watts

Data and Alarm Channel Connections

No. of Data Channels......................... 1 per video channel.

No. of Alarms..................................... 2 uni-directional alarm per video channel

Connectors........................................ Removable 8-pin, 2.5mm, Spring Terminal

Connector Partno............................... Phoenix 1881383

Data Interfaces.................................. RS-232, RS-422 or R-S485. Selected by slide switch inside

enclosure. *See appropriate section on how to access to the

data switches

Alarm inputs....................................... Contact Closure pull-up is 330R to +3V3

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 8 AMG5525 Instruction Sheet D17212-

00.doc

Front Panel Indicators

Power LED

Power / Video / Opto.......................... Green - Video present & opto sync.

R/G - Opto sync. but no video present.

G/R - Video present but no opto sync.

Red - No opto sync.

Off - No power applied to unit

Low Speed Data LEDs

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

Red - logic transitions present on input IN+

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

IN corresponds to the data signals being transmitted onto the optical fibre.

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

Red - logic transitions present on OUT+

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

OUT corresponds to the data signals being received from the optical fibre.

Alarm LEDs

Channel 1

ALARM 1 IN.......................................Green - Alarm ON / Contacts closed.

Off - Alarm OFF / Contacts open.

ALARM 2 IN.......................................Green - Alarm ON / Contacts closed.

Off - Alarm OFF / Contacts open.

Channel 2

ALARM 1 IN.......................................Green - Alarm ON / Contacts closed.

Off - Alarm OFF / Contacts open.

ALARM 2 IN.......................................Green - Alarm ON / Contacts closed.

Off - Alarm OFF / Contacts open.

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 8 AMG5525 Instruction Sheet D17212-

00.doc

Data and Alarm Channel Configuration

he AMG5525 transmit unit sends and receives data to/from an AMG5526 or rackmount equivalent

AMG5526R receive unit. The physical data interface RS-485, RS-422 or RS-232 is selectable by the

user with the slide switch mounted on the main PCB inside the enclosure.

There are also 2 uni-directional alarm inputs provided for each video channel. Each alarm input is

typically connected to a contact closure switch.

Data Channel Configuration

Each low speed data channel provides an RS-232, RS-422 (full duplex, four wire) or RS-485 (half

duplex, two wire) interface defined by the corresponding mode switch inside the enclosure. Every data

channel as shipped from the factory is set up for RS-485 operation unless otherwise requested.

The data input for both the RS-485 and the RS-422 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 0 respectively. It is important therefore to terminate the RS-485 bus or

the RS-422 input bus using 120Ωif a pre-bias is present on the RS-485 or RS-422 bus.

A large number of third party equipment manufacturers apply a pre-bias on their RS-485 bus. This pre-

bias is applied by pulling one arm of the RS-485 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 750Ωthe bus can be multiple terminated as required to ensure that a tri-

state level is detected.

The system detects a tri-state input condition on the data channel bus when in RS-485 or RS-422

mode.

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 8 AMG5525 Instruction Sheet D17212-

00.doc

Data Interface Connections

Data Channels 1 and 2.

Connector

Pin No.

Data Channel

RS-485

[switch top] RS-422

[switch middle] RS-

232

[switch bottom]

1IN + (A) IN

2IN - (B)

3GND GND GND

7IN/OUT + (A) OUT + (A)

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

Note: (A) or (B) in brackets in the above table refers to RS-485 / RS-422 data specification.

Alarm Channel Configuration

The AMG5525 provides 2 uni-directional alarm / contact closure inputs for each video channel. Each

alarm input is typically connected to a contact closure switch.

Each ALARM IN+ input incorporates a 330R pull-up resistor to the internal +3V3 supply.

Alarm Interface Connections

Video Channels 1 and 2.

Connector Pin

No.

Alarm Interface

Alarm 1 Alarm 2

3ALARM 1 GND

4ALARM 1 IN +

5ALARM 2 GND

6ALARM 2 IN +

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 8 AMG5525 Instruction Sheet D17212-

00.doc

Physical Information

Dimensions

Height................................................ 112mm

Width................................................. 170mm (excluding connectors)

Depth................................................. 7HP

Weight............................................... 200grams

Mounting Details

The AMG unit is supplied with a clip-on mounting bracket which should be attached to a panel or wall

using 2 off 4.0mm screws, see diagram on page 1 for dimensions. The unit is clipped into the

mounting bracket, and is then held firmly in position.

Safety

AMG Optical Fibre Products use Class 1 laser systems in accordance with EN 60825-2:2000.

It is always advisable to follow good practice when working with optical fibre systems. This includes:

§Do not stare with unprotected eyes or with any unapproved collimating device at fibre

ends or connector faces, or point them at other people.

§Use only approved filtered or attenuating viewing aids

For other safety issues and advice on good practice associated with optical fibre systems, please see

EN 60825-2:2000 or your local safety officer.

Maintenance and Repair

There are no user serviceable parts within AMG products. See unit data sheet for full specification.

In case of problem or failure, please call your local support centre or contact: AMG Systems Ltd. at

3 The Omega Centre, Stratton Business Park, Biggleswade, Beds., SG18 8QB, UK.

Phone +44 (0) 1767 600 777

Technical Support +44 (0) 1767 604 491

Email techsupport@amgsystems.com

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