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ASMI-31 MODEM/G703/RJ

RAD DATA COMMUNICATIONS

ASMI-31 MODEM/G703/RJ

Card Type

Modem

Chip Set

Unidentified

I/O Options

AC power connector, IR-G.703 RJ-45 connector,

Network interface via terminal block and RJ-45 connector,

Wiring Type

RJ-45 shielded twisted pair

Terminal block shielded twisted pair

Maximum Data Rate

128Kbps

Line Coding

2B1Q

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

AC power connector

CN1

Network interface via RJ-45 connector

CN4

G/703 port (RJ-45 connector)

CN2

Reset push-button

RESET

Network interface via terminal block

CN3

   

USER CONFIGURABLE SETTINGS

Setting

Label

Position

External mode enabled (system timing provided by G.703 network)

JP1

Pins 1 & 2 closed

Internal/RCV mode enabled (clock signal recovered from modem)

JP1

Pins 2 & 3 closed

í Loopback timing mode enabled

JP9

Pins 3 & 4 closed

Internal clock mode enabled

JP9

Pins 2 & 3 closed

External clock mode enabled

JP9

Pins 1 & 2 closed

í Remote digital DTE loopback test disabled

JP14

Pins 1 & 2 closed

Remote digital DTE loopback test enabled

JP14

Pins 2 & 3 closed

í Local analog DTE loopback test disabled

JP15

Pins 1 & 2 closed

Local analog DTE loopback test enabled

JP15

Pins 2 & 3 closed

í Signal ground is connected to the frame ground

JP18

Pins 2 & 3 closed

Signal ground is not connected to the frame ground

JP18

Pins 1 & 2 closed

í Synchronous operation mode enabled

SW6/1

On

Asynchronous operation mode enabled

SW6/1

Off

í 8-bit

SW6/2

On

7-bit

SW6/2

Off

í Parity enable

SW6/3

On

Parity disabled

SW6/3

Off

í Parity even

SW6/4

On

Parity odd

SW6/4

Off

í 1 stop bit

SW6/5

On

2 stop bits

SW6/5

Off

í DCD mode enabled

SW6/6

On

CNT mode enabled

SW6/6

Off

í DSR mode enabled

SW6/7

On

DTR mode enabled

SW6/7

Off

DATA RATE

Setting

Mode

SW7

1200bps

Sync/async

1

2400bps

Sync/async

2

4800bps

Sync/async

3

9600bps

Sync/async

4

19.2Kbps

Sync/async

5

38.4Kbps

Sync/async

6

48.0Kbps

Sync

7

í 64.0Kbps

Sync

9

128.0Kbps

Sync

A

57.6Kbps

Async

C

115.2Kbps

Async

D

16Kbps

Unidentified

E

32Kbps

Unidentified

F

DIAGNOSTIC LEDS

LED

Color

Status

Condition

PWR

Green

On

Power is on

PWR

Green

Off

Power is off

TD

Yellow

On

Device is transmitting a steady space

TD

Yellow

Blinking

Device is transmitting data

TD

Yellow

Off

Device is not transmitting data

RD

Yellow

On

Device is receiving a steady space

RD

Yellow

Blinking

Device is receiving pulses from network

RD

Yellow

Off

Device is not receiving pulses from network

RTS

Yellow

On

RTS signal is high

RTS

Yellow

Off

RTS signal is low

DCD

Yellow

On

DCD signal is high

DCD

Yellow

Off

DCD signal is low

LOS

Red

On

Loss of synchronization

LOS

Red

Blinking

Synchronization not established

LOS

Red

Off

Synchronization OK

ERR

Red

On

Error detected on received configuration information

ERR

Red

Off

Error not detected on received configuration information

TST

Red

On

Device is conducting a loopback test

TST

Red

Off

Device is not conducting a loopback test