WESTERMO TELEINDUSTRI AB

MA-44 DC

Card Type

Modem (asynchronous)

Chip Set

Unidentified

I/O Options

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

Maximum Modem Rate

38.4Kbps

Data Modulation Protocol

C/CCITT V.24/V.28, 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

 

2-wire transmission

S2/6

On

»

4-wire transmission

S2/6

Off

»

Factory configured - do not alter

S2/7

Off

»

Factory configured - do not alter

S2/8

Off

»

Factory configured - do not alter

S2/9

Off

DATA BIT SELECTION

Setting

S2/4

S2/5

 

9

On

On

»

10

On

Off

 

11

Off

On

 

12

Off

Off

TERMINATION WITH FAIL-SAFE SELECTION

Setting

S3/1

S3/2

S3/3

S3/4

 

Termination (4-wire)

On

On

Off

Off

 

Termination (2-wire)

Off

Off

On

On

»

No termination

Off

Off

Off

Off

DATA RATE SELECTION

Setting

S2/1

S2/2

S2/3

 

300bps

Off

Off

Off

 

600bps

On

Off

Off

 

1200bps

Off

On

Off

 

2400bps

On

On

Off

 

4800bps

Off

Off

On

»

9600bps

On

Off

On

 

19200bps

Off

On

On

 

38400bps

On

On

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 received

LED2

Unidentified

Off

Data is not being received

LED3

Unidentified

On

Data carrier present

LED3

Unidentified

Off

Data carrier not present - connection not established

LED4

Unidentified

On

CTS signal is high - device ready to send data

LED4

Unidentified

Off

CTS signal is low

LED5

Unidentified

On

RTS signal is high

LED5

Unidentified

Off

RTS signal is low

LED6

Unidentified

On

Data is being transmitted

LED6

Unidentified

Off

Data is not being transmitted