AMG AMG4703E-SF Manual de usuario

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

AMG4703E

Instruction

Sheet

D18076

01.doc

AMG4703E

Instruction Manual

Data Transmit Unit with Bi

directional Data Channel plus

Ethernet

The

AMG4703E

is a standalone transmit unit designed to transmit and receive 1 data signal plus

full duplex 100BaseT Ethernet connectivity over on

e singlemode fibre.

The

AMG4703E

is designed to be powered using an

AMG2003

standalone power supply.

The

AMG4703E

is designed to operate with an

AMG4704E

or rackmount equivalent

AMG4704ER

data 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

AMG4703E

Instruction

Sheet

D18076

01.doc

Contents

Introduction

Unit Functional Schematic

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

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

Optical Connection

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

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

Ethernet Operation

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

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

Connections

Optical Connections

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

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

Power Connection

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

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

Ethernet Connection

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

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

Data and Audio Channel Connections

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

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

Data and Audio

Channel Configuration

Data and Audio Channel Configuration

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

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

Data Interface Connections Channel A

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

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

Data Channel A Configuration

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

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

ont Panel Indicators

Power LED

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

..........

Fibre Optic LED’s

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

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

Low Speed Data LEDs

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

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

Physical Information

Dimens

ions

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

.........

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

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

Page

AMG4703E

Instruction

Sheet

D18076

01.doc

Introduction

Unit Functional Schematic

The

AMG4703E

transmits one data

signal to the

AMG4704E

It also receives one data channel

transmitted from the

AMG4704E

Ethernet connectivity is also provided

between the two units.

Optical Connectio

The

AMG4703E

is connected as illustrated below when used with an

AMG4704E

receive unit

acting as a point to point system.

Ethernet Operation

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

6003 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 mi

nimum 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 ma

ke changes to this

document without notice. The information herein is believed to

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

Page

AMG4703E

Instruction

Sheet

D18076

01.doc

Connections

Optical Connections

PRIMARY OPTO OUT

Connector

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

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

LC/PC

Optical Fibre

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

........

One fibre

Singlemode

Primary Optical Launch Power

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

5dBm

Wavelength

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

..........

1550nm

Prima

ry Optical Sensitivity

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

22dBm

Wavelength

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

..........

1310nm

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

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

5 Watts

Etherne

t 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

DATA CHANNEL A

Data Channel A

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

...

1 channel

Data Connec

tor

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

....

RJ45

Channel A Interface

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

On Board Data Interface

–

RS232, RS422 or RS485. Selected

by slide switch above the RJ45 connector.

RS232

–

switch position

high (closest to BNC connections)

RS422

–

switch position

–

middle

RS485

–

switch position

–

low

(furthest from BNC connections)

DATA CHANNEL B

Data Channel B

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

...

Not Present

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

AMG4703E

Instruction

Sheet

D18076

01.doc

Data and Audio Channel Configuration

The

AMG4703E

and rackmount equivalent

AMG4703ER

sends and receives data to/from

Channel A. Channe

l B is not available. Channel A is a single data interface selectable by the user with

the slide switch on the rear panel.

Data Interface Connections Channel A

Channel A

RJ45 Pin

No.

RS485

[switch low]

RS42

2 [switch

mid]

RS232

[switch high]

Cat 5/6 Cable

Colour Code T568B

IN + (A)

GND

White/orange

(B)

Orange

White/green

Blue

White/blue

Green

IN/OUT + (A)

OUT + (A)

N/A

White/brown

IN/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.

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) inte

rface 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 i

s 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 condit

ion. A level above 600mV positive or negative will be

detected a

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

the RS422 input bus using 120Ωif a pre

bias is present on the RS485 or RS422 bus.

A large number of third party equipment manufacturers apply a pre

bias on t

heir 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 conditio

n, then these resistors should have a value above 5k

Ω. If the third party

bias resistors are less the 750Ωthe 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

equested.

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

document without notice. The information herein is believed to

be accur

ate. No responsibility is assumed by AMG for its use.

Page

AMG4703E

Instruction

Sheet

D18076

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 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+) pre

sent 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 si

gnals 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)

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

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

AMG Systems Ltd. reserves the right to make chan

ges to this

document without notice. The information herein is believed to

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

Page

AMG4703E

Instruction

Sheet

D18076

01.doc

Physical Information

Dimensions

Height

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

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

112mm

Width

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

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

170mm (exclud

ing connectors)

Depth

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

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

70mm

Weight

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

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

750grams

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.

Removal / replacement 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 protec

tion (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 fib

res do not snag or get trapped.

To replace the PCB's into the case, slide 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 la

ser 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.

Maintenanc

e 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

Technical Support

+44 (0) 1767 604 491

techsupport@amgsystems.com

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

AMG4703E

Instruction

Sheet

D18076

01.doc

This page is intentionally blank.

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