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MD-12DC

WESTERMO TELEINDUSTRI AB

MD-12DC

Card Type

Modem

Chip Set

Unidentified

I/O Options

9-pin serial port (RS-232), terminal blocks (3)

Data Modulation Protocol

ITU-T V.24/V.28

Wiring Type

Unshielded or shielded twisted pair

Maximum Data Rate

38.4Kbps

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

DCE serial port (9 pole terminal block)

CN1

Network interface (4 pole terminal block)

CN3

DC power connector (2 pole terminal block)

CN2

9-pin serial port

CN4

CARRIER CONTROL

Setting

S1/1

S1/2

S1/3

í Carrier forced high

Off

On

Off

Carrier activated by RTS

Off

On

On

Carrier activated by DTR

On

Off

Off

Carrier activated by DTR & RTS

On

Off

On

CLEAR TO SEND CONTROL

Setting

S1/4

S1/5

S1/6

í CTS controlled by RTS

On

Off

Off

CTS forced high

Off

On

Off

CTS follows DCD

Off

Off

On

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

PWR

Unidentified

On

Power is on

PWR

Unidentified

Off

Power is off

RD

Unidentified

On

Modem is receiving data

RD

Unidentified

Off

Modem is not receiving data

TD

Unidentified

On

Modem is transmitting data

TD

Unidentified

Off

Modem is not transmitting data

RTS

Unidentified

On

RTS signal is high

RTS

Unidentified

Off

RTS signal is low

DCD

Unidentified

On

Data carrier present

DCD

Unidentified

Off

Data carrier not present. Connection not established