AMG AMG4708A Manuale utente

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 ass

umed by AMG for its use.

Page

AMG4708A

Instruction

Sheet

D16802

01.doc

AMG4708A

Instruction Manual

Data Receive Unit with up to 8 Bi

directional Data and

Audio Channels

The

AMG4708A

is a standalone data receive unit designed to transmit and receive up to 8 data or

audio signals over two singlemode fibres. The 8 d

ata/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 A.

The

AMG4708A

is designed to be powered by an

G2003

power supply.

The

AMG4708A

is designed to operate with

AMG4707A

or rackmount equivalent

AMG4707AG

data

transmit 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

AMG4708A

Instruction

Sheet

D16802

01.doc

Contents

Introduction

Unit Functional Schemat

................................

..................

Optical Connection

................................

.............................

Connections

Optical Connections

................................

...........................

Power Connection

................................

..............................

Data Channel Connections

................................

.................

Data and Audio Channel Configuration

Data Interface Daughter Board Options

................................

.............................

Data and Audio Channel Configuration

................................

..............................

Daughter Board L

ayout

................................

......................

Data and Audio Daughter Board Fitting Instruction

................................

............

Data and Audio Connections

................................

..............

Front Panel Indicators

Power LED

................................

..........

Fibre Optic LED’s

................................

...............................

Low Speed Data LEDs

................................

.......................

Physical Information

Dimensions

................................

.........

Mounting Details

................................

Removal / replacement from / to the Case

................................

.........................

Safety

Maintenance and Repair

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

AMG4708A

Instruction

Sheet

D16802

01.doc

Introduction

Unit Functional Schematic

The

AMG4708A

receives up to 8 data

and

audio signals transmitted from the

AMG4707A

It also transmits up to 8 data and audio

channels to the

AMG4707A

Optical Connection

The

AMG4708A

is connected as illustrated below when used with an

AMG4707A

data transmit 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

AMG4708A

Instruction

Sheet

D16802

01.doc

Connections

Optical Connections

PRIMARY OPTO OUT

Connector

................................

............

LC/PC

Primary Optical Launch Power

............

5dBm

Wavelength

................................

..........

1310nm

Optical Fibre

................................

........

Singlemode

PRIMARY OPTO IN

Connector

................................

............

LC/PC

Primary Optical Sensitivity

...................

22dBm

Wavelength

................................

..........

1310nm

Optica

l Fibre

................................

........

Singlemode

Power Connection

Connector Type

................................

...

2.1mm screw lock long power jack

–

centre positive

Connector Partno.

................................

Switchcraft S761K, AMG G16125

Supply Voltage

................................

.....

13.5 to 18.0 Volts DC.

Maximum Power

................................

10 Watts

Data Channel Connections

Total No.

of Data Channels

.................

8 channels

Data/Audio Channels

–

BANK A

.........

8 channels

Data/Audio Channels

–

BANK B

.........

Not Used

Connector

................................

............

way D

Type female connector

shielded.

Connections

................................

.........

See below for connection and configuration

For the data or audio channels to be pre

sent, the appropriate data daughter boards have to be fitted

into the data expansion board slots.

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

document without notice. The inf

ormation herein is believed to

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

Page

AMG4708A

Instruction

Sheet

D16802

01.doc

Data and Audio Channel Configuration

The

AMG4708A

and rackmount equivalent

AMG4708AG

sends and receives data in one bank

Bank

A. Bank B is not used. The

physical interface is determined by the fitting of AMG data or audio

daughter boards onto the appropriate data expansion board slots.

Data Interface Daughter Board Options

The data interface daughter board options are as follows:

Option Code

'x'

Part No

Description

X12542

4 Wire Audio Interface Daughter Board

X04057

RS422/485 Data Interface Daughter Board

X04049

RS232 Data Interface Daughter Board

X04058

20mA Current Loop Data Interface Daughter Board

X12579

TTL Data Interface Daughter Bo

ard

X12578

Contact Closure Data Interface Daughter Board

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 c

hannel

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 Instr

uction

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 a

ssociated 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

AMG4708A

Instruction

eet

D16802

01.doc

Data and Audio Connections

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

No.

Description

Bank

No.

Description

Bank

Audio/Data CH1 IN + (A)

Audio/Data CH1 OUT + (A)

Audio/Data CH1 IN

(B)

Audio/Data CH1 OUT

(B)

Audio/Data CH2 IN + (A)

Audio/Data CH2 OUT + (A)

Audio/Data

CH2 IN

(B)

Audio/Data CH2 OUT

(B)

Audio/Data CH3 IN + (A)

Audio/Data CH3 OUT + (A)

Audio/Data CH3 IN

(B)

Audio/Data CH3 OUT

(B)

Audio/Data CH4 IN + (A)

Audio/Data CH4 OUT + (A)

Audio/Data CH4

(B)

Audio/Data CH4 OUT

(B)

GND

Audio/Data CH5 OUT + (A)

Audio/Data CH5 IN + (A)

Audio/Data CH5 OUT

(B)

Audio/Data CH5 IN

(B)

Audio/Data CH6 OUT + (A)

Audio/Data CH6 IN + (A)

Audio/Data CH6 OUT

(B)

Audio/Data CH6 IN

(B)

Audio/Data CH7 OUT + (A)

Audio/Data CH7 IN + (A)

Audio/Data CH7 OUT

(B)

Audio/Data CH7 IN

(B)

Audio/Data CH8 OUT + (A)

Audio/Data CH8 IN + (A)

Audio/Data CH8 OUT

(B)

Audio/Data CH8 IN

(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 fo

r 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.

AMG4708A

Instruction

Sheet

D16802

01.doc

Front Panel Indicators

Power LED

Power

................................

..................

Green

unit powered

Off

no power applied to unit

Fibre Optic LED’s

Primary Opto Sync TX

.........................

Green

optical ch

annel 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

BANK A

(When RS232 data daug

hter 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

......................

Gre

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 A

(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

logi

c 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 A

(When audio daughter board fitted)

Audio Pr

esent 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 RX

................................

Green

audio present >

40dBm

Red

udio present > 0dBm (overload at +6dBm)

Off

audio not present or <

40dBm

This represents the audio signals being received from 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

AMG4708A

Instruction

Sheet

D16802

01.doc

Physical Information

Dimensions

Height

................................

...................

112mm

Width

................................

....................

170mm (excluding connectors)

Depth

................................

...................

105mm

Weight

................................

..................

1000

grams

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. The unit is clipped into the mounting bracket, and is then held firmly in

position.

Removal / replace

ment from / to the Case

Note:

The AMG unit PCB's are static sensitive. Handle with proper care and use normal electrostatic

discharge (ESD) procedures. Use properly grounded protection (for example, wrist straps) when

handling the PCB.

To remove units

from the case to access the data expansion boards and the daughter boards, remove

the 2 or 4 fixing screws on the rear panel and slide the PCB's out of the case.

Ensure that the fibres do not snag or get trapped.

To replace the PCB's into the case, slid

e the PCB's gently into the case aligning the boards with the

appropriate slots. Ensure that the fibre do not snag or get trapped.

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 atten

uating 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.

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

Phone

+44 (0) 1767 600 777

echnical Support

+44 (0) 1767 604 491

techsupport@amgsystems.com

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