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MA-42

WESTERMO TELEINDUSTRI AB

MA-42

Card Type

Modem (asynchronous)

Chip Set

Unidentified

I/O Options

AC power, RS-232 serial port, RS-422/485

Maximum Modem Rate

100Kbps

Data Modulation Protocol

CCITT V.24/V.28/V.10, V.11

Error Correction/Compression

Unidentified

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

Power connector (terminal block)

CN1

RS-232-C port

CN3

Terminal block

CN2

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

115V AC enabled

S1

On

 

230V AC enabled

S1

Off

20ms CTS delay

S2/6

On

 

0ms CTS delay

S2/6

Off

2 OR 4 WIRE COMMUNICATION SELECTION

Setting

S3/1

S3/2

4-wire

On

Off

 

2-wire

Off

On

TERMINATION WITH FAIL-SAFE SELECTION

Setting

S3/3

S3/4

S3/5

S3/6

 

Termination (4-wire)

On

On

Off

Off

 

Termination (2-wire)

Off

Off

On

On

No termination

Off

Off

Off

Off

TRANSMITTER/CTS/DCD CONTROL SELECTION

Setting

S2/1

S2/2

S2/3

S2/4

S2/5

 

Transmitter, CTS and DCD - RTS

On

Off

Off

On

Off

 

Transmitter and CTS - RTS, DCD - high

On

Off

Off

Off

On

 

Transmitter, CTS and DCD - DTR

Off

On

Off

On

Off

 

Transmitter and CTS - DTR, DCD - high

Off

On

Off

Off

On

 

Transmitter - active, CTS - high, DCD - low

Off

Off

On

On

Off

Transmitter - active, CTS and DCD - high

Off

Off

On

Off

On

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LED1

Unidentified

On

Power is on

LED1

Unidentified

Off

Power is off

LED2

Unidentified

On

Data is being transmitted

LED2

Unidentified

Off

Data is not being transmitted

LED3

Unidentified

On

Data is being received

LED3

Unidentified

Off

Data is not being received

LED4

Unidentified

On

RTS signal is high

LED4

Unidentified

Off

RTS signal is low

LED5

Unidentified

On

CTS signal is high - device ready to send data

LED5

Unidentified

Off

CTS signal is low

LED6

Unidentified

On

Data carrier present

LED6

Unidentified

Off

Data carrier not present - connection not established