AMG Systems AMG5414R 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

AMG5414R Instruction Sheet D17398-

00.doc

AMG5414R

Instruction Manual

Receive Unit with one Bi-directional Data Channel and one

Bi-directional Alarm for a Multimode Fibre Link

The AMG5414R is rackmount receive unit designed to transmit and receive 1 data signal plus 1 Bi-

directional alarm over one Multimode optical fibre.

The AMG5414R is designed to plug into an AMG2009 or AMG2015 subrack, which in turn fits into a

19" rack system.

The AMG5414R is designed to operate with an AMG5413 / AMG5413R single channel or AMG5423 /

AMG5423R dual channel transmit 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

AMG5414R Instruction Sheet D17398-

00.doc

Contents

Introduction 3

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

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

Connections 4

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

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

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

Front Panel Indicators 5

Power / Opto LED............................................................................................................................... 5

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

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

Data and Alarm Channel Configuration Error! Bookmark not defined.

Data Channel Configuration...............................................................Error! Bookmark not defined.

Data Interface Connections................................................................Error! Bookmark not defined.

Alarm Channel Configuration Error! Bookmark not defined.

Bi-directional Alarm Interface Connections ........................................Error! Bookmark not defined.

Physical Information Error! Bookmark not defined.

Dimensions.........................................................................................Error! Bookmark not defined.

Mounting Details.................................................................................Error! Bookmark not defined.

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

AMG5414R Instruction Sheet D17398-

00.doc

Introduction

Unit Functional Schematic

The AMG5414R transmits 1 data channel

and 1 uni-directional alarm signal to the

AMG5413R transmit unit.

It also receives 1 data channel and 1 Bi-

directional alarm transmitted from the

AMG5413R.

Optical Connection

The AMG5414R connections are illustrated in the following example which shows an AMG5413R

transmit unit together with an AMG5414R receive unit configured as a single 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

AMG5414R Instruction Sheet D17398-

00.doc

Connections

Optical Connections Multimode

No. of Optical Connections..................1

Optical Fibre ........................................Multimode 50/125 or 62.5/125**

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

Minimum Optical Launch Power..........-10dBm

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

Minimum Optical Sensitivity.................-30dBm

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

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

**Note: the transmission distance is limited by the bandwidth of the Multimode optical fibre. The optical

data rate is 155Mbits/s, which may restrict operation to a maximum fibre length of 7km, although in

most cases the units will operate successfully over longer fibre lengths. It is advisable however for

distances greater than 7km, to have the optical fibre tested.

Power Connection

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

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

Supply Voltage.....................................+12 to +15Vdc

Maximum Power..................................1.5 Watts

Data and Alarm Channel Connections

No. of Data Channels ..........................1

No. of Alarm Channels.........................1

Connector ............................................Removable 8-pin, 3.81mm, Screw Terminal

Connector Partno.................................Phoenix 1803633

Data Interface ......................................RS-232, RS-422 or R-S485. Selected by slide switch above the

BNC connector.

RS-232 –Switch Position - Left

RS-422 –Switch Position - Centre

RS-485 –Switch Position - Right

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

Alarm Output........................................Solid-state Relay, maximum 150mA at 125Vac/dc, Ron < 6.5Ω

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

AMG5414R Instruction Sheet D17398-

00.doc

Front Panel Indicators

Power / Opto LED

Power / Opto........................................Green - Unit powered, Opto sync.

Red - Unit powered, 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

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

Off - Alarm OFF / Contacts open.

ALARM OUT........................................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

AMG5414R Instruction Sheet D17398-

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Data and Alarm Channel Configuration

The AMG5413R sends and receives data to/from a AMG5414 transmit unit. The physical data

interface RS-485, RS-422 or RS-232 is individually selectable by the user with the corresponding slide

switch mounted on the main PCB inside the enclosure.

One Bi-directional alarm is also provided. The alarm input is typically connected to a contact closure

switch. The alarm output can receive an on/off signal from an AMG5414 and is typically used to

convey contact closure status.

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 120Ω if 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 750Ω the 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

AMG5414R Instruction Sheet D17398-

00.doc

Data Interface Connections

Connector

Pin No.

Data Channel

RS-485

[switch top]

RS-422

[switch middle]

RS-232

[switch bottom]

IN + (A)

IN - (B)

GND

IN/OUT + (A)

OUT + (A)

IN/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 AMG5413R provides one bi-directional alarm output / contact closure input.

The alarm input is typically connected to a contact closure switch. An ALARM IN+ input incorporates a

330R pull-up resistor to the internal +3V3 supply.

The alarm output can receive an on/off signal from an AMG5414 and is typically used to convey

contact closure status. An alarm output uses a solid-state relay, with a maximum load current of

150mA at 125Vac/dc and Ron < 6.5Ω.

Alarm Interface Connections

Connector

Pin No.

Alarm Interface

Alarm IN

Alarm OUT

GND

ALARM IN +

ALARM OUT -

ALARM OUT +

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

AMG5414R Instruction Sheet D17398-

00.doc

Physical Information

Dimensions

Height...................................................3U Plug-in

Width....................................................7HP

Depth ...................................................170mm excluding connectors

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

Mounting Details

The unit is designed to be mounted within an AMG2009 or AMG2015 Subrack on standard card

guides.

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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