AMG AMG5813R Manual de usuario

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

AMG5813R

Instruction

Sheet

D22059

01.doc

AMG5813R

Instruction Manual

Single Channel Video Transmit Unit with two Bi

directional

Data Channels and eight Bi

directional Alarms plus

Ethernet for a Multimode Fibre Link

The

AMG5813R

is a rackmount one channel video transmit unit de

signed to transmit 1 video signal

and transmit and receive 2 data signals plus 8 bi

directional alarms and also provides full duplex

100Base

T Ethernet connectivity over one Multimode optical fibre.

The

AMG5813R

is designed to plug into an

AMG2009

G2015

subrack, which in turn fits into a

19" rack system.

The

AMG5813R

is designed to operate with an

AMG5814

AMG5814R

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

AMG5813R

Instruction

Sheet

D22059

01.doc

Contents

Introduction

Unit Functional Schematic

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

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

Optical Connection

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

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

Ethernet Operation

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

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

Connections

Video Input Connection

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

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

Optical Connection Multimode

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

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

Power Connection

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

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

Data and Alarm Channel Connections

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

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

Ethernet Connect

ion

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

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

Front Panel Indicators

Power LED

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

..........

Low Speed Data LEDs

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

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

Alarm LEDs

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

.........

Ethernet Data LEDs

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

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

Data and Alarm Channel Configuration

Data Channel Configuration

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

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

Data Interface Connections

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

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

Data Channel Termination

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

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

Alarm Channel Configuration

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

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

Alarm Interface Connections

Physical Information

Dimensions

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

.........

Mounting Details

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

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 r

esponsibility is assumed by AMG for its use.

Page

AMG5813R

Instruction

Sheet

D22059

01.doc

Introduction

Unit Functional Schematic

The

AMG5813R

transmits 1 video, 2 data

channels and 8 bi

directional alarm signals

to the

AMG5814

eceive unit.

It also receives 2 data channels and 8 bi

directional alarm signals transmitted from

the

AMG5814

Ethernet connectivity is also provided

between the two units.

Optical Connection

The

AMG5813R

connections are illustrated in the followin

g example which shows a

AMG5813R

transmit unit together with an

AMG5814R

single channel rackmount receive unit configured as a point

to point system.

Ethernet Operation

The Ethernet interface supports 100Mbit/s full duplex operation only. Data is t

ransmitted from one port

the other port with minimum delay or buffering.

The port implements "Auto MDI/MDIX" i.e. it may be connected with either a straight

though or cross

over cable to an appropriate device such as external switch, PC or other DCE/DTE.

Two LED indicators are provided adjacent to the RJ

45 port: Green indicates Link / Data transfer and

Yellow indicates no Ethernet connection.

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

AMG5813R

Instruction

Sheet

D22059

01.doc

Connections

Video Input Connection

Connector

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

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

75 ohm BNC Socket.

Input Impedance

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

75 ohm terminated.

Input Le

vel

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

...........

1 volt p

p nominal

Frequency Response

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

10Hz to 7MHz.

Optical Connection Multimode

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 W

avelength

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

1550nm

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

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

Power supply

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

.......

From plug in connection on the AMG2009 or AMG2015 subrac

Power consumption

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

2.5 Watts max.

Data and Alarm Channel Connections

No. of Data Channels

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

No. of Alarms

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

.......

Connectors

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

..........

Removable 5

pin, 3.5mm, Spring Terminal

Connector Partnos.

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

Phoenix 1952296

Data Interfaces

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

....

232 / 422 / 485. Selected by externa

l slide switches D1

232

–

Switch Position

Top

422

–

Switch Position

Middle

485

–

Switch Position

Bottom

Internal 120Ωtermination resistors may be applied to RS

422 or RS

485 inputs as required by internal

DIL switches inside the enclosure. *See appropriate section on how to remove the case for access to

the DIL switches.

Alarm inputs

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

.........

Input is via a series

10k resister with 47kΩpull

up to +3V3.

Alarm outputs

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

.......

Output is NPN open collector, maximum load 500mA @ 24Vdc.

Ethernet Connection

Ethernet Data Connector

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

RJ45

Interface

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

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

Auto

negotiation up to 100BASE

TX full duplex

Ethernet Data Rate

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

Maximum 100Mb/s t

otal Ethernet traffic on 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

AMG5813R

Instruction

Sheet

D22059

01.doc

Front Panel Indicators

Power LED

POWER

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

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

Green

Power is present

Off

Power is not present

VIDEO

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

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

Green

Video input signal is present

Off

Video input signal is not present

OPTO TX

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

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

Green

Tx opto. present

Off

Tx opto. is not present

OPTO RX

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

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

Green

Rx opto. sync.

Off

Rx opto. is not sync.

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 optic

al 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 OU

T+

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

Channels 1

ALARM IN

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

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

Green

Alarm ON / Contacts closed.

Off

Alarm OFF / Contact

s open.

ALARM OUT

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

........

Green

Alarm ON / Contacts closed.

Off

Alarm OFF / Contacts open.

Ethernet Data LEDs

Link not Present

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

Yellow

Link not present

Off

Link is present

Link Integrity

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

........

Green

Link integrity is good, Idle state

GBlink

Data tran

sfer

Off

Link 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

AMG5813R

Instruction

Sheet

D22059

01.doc

Data and Alarm Channel Configuration

The

AMG5813R

transmit unit sends and receives data to/from an

AMG5814

or rackmount equivalent

AMG5814R

receive unit. The 2 physical data interfaces RS

485, RS

422 or RS

232 are individual

selectable by the user with the slide switch mounted from the rear panel.

There are also 8 bi

directional alarm inputs provided, each alarm input is typically connected to a

contact closure switch. Each alarm output can receive an on/off signal from a

AMG5814

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 sw

itch 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 t

erminate the RS

485 bus or

the RS

422 input bus using 120

Ωif 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 vol

ts)

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 b

e 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.

Data Interface Connections

Data Channel

Connector

Pin No.

485

[switch bottom]

422

[switch middle]

232

[switch top]

IN/OUT

(B)

OUT

(B)

OUT

IN/OUT + (A)

OUT + (A)

GND

(B)

IN + (A)

Note: (A) or (B) in brackets in the above table refers to RS

485 /

422 data specification.

Data Channel Termination

The interface mode RS

232, RS

422 or RS

485 of each data port Data 1

4, is selected with the

corresponding external slide switch D1

D4. The actual number of data channels provided on the unit

depends up

on the AMG model.

Internal 120

Ωtermination resistors across IN+ and IN

inputs may also be applied when in RS

422 or

485 mode using internal DIP switches P0

P3 on the main PCB inside the enclosure. P0

P3 may

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

AMG5813R

Instruction

Sheet

D22059

01.doc

be accessed by removing the 2 fixing screws in the rear panel and sliding

the PCB out of the

enclosure.

For clarity, in the 3 examples shown below all 4 data ports D1

D4 are terminated the same, but each

data channel may be configured & terminated independently as required. The 3 examples shown are

232 (no termination), RS

422 (120

Ω) or RS

485 (120Ω).

Alarm Channel Configuration

The

AMG5813R

provides 8 bi

directional contact closure inputs / alarm outputs. Each ALARM IN input

is via an internal 10kΩseries resistor with a 47kΩpull

up resistor to the internal +3V3 supply.

ch ALARM OUT output can receive an on/off signal from an

AMG5814

and is typically used to

convey contact closure status. Each alarm output is NPN open collector, maximum load 50mA /

24Vdc.

Alarm Interface Connections

Alarm Interfaces

Connector Pin

No.

Alarm IN

4, 5

Alarm OUT

4 , 5

ALARM 1/5 IN

ALARM 1/5 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

AMG5813R

Instruction

Sheet

D22059

01.doc

ALARM 2/6 IN

ALARM 2/6 OUT

GND

ALARM 3/7 IN

ALARM 3/7 OUT

ALARM 4/8 IN

ALARM 4/8 OUT

Physical Information

Dimensio

Height

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

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

3U Plug

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 syste

ms 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, o

r 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 Rep

air

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

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