WESTERN DATACOM COMPANY, INC.

56 DSU/CSU (1814)

Card Type CSU/DSU
Chip Set Unidentified
I/O Options Control port
Transfer Rate 56Kbps x 2
Data Bus External
Protocol Unidentified


CONNECTIONS

Function

Label

Function

Label

V.35 to Quadra Pump 1

CN1

V.35 to Quadra Pump 2

CN5

RS-232 for control port 1

CN2

RS-232 for control port 2

CN6

V.35 to DTE 1

CN3

V.35 to DTE 2

CN7

Line 1 out

CN4

Line 2 out

CN8


USER CONFIGURABLE SETTINGS

Setting

Label

Position

  Line 1 is clock master

JP1A

Open

  Line 1 is clock slave

JP1A

Closed

  Line 2 is clock master

JP1B

Open

  Line 2 is clock slave

JP1B

Closed

  Line 1 will use internal clock

JP10A

Pins 1 & 2 closed

  Line 1 will use external clock

JP10A

Pins 2 & 3 closed

  Line 2 will use internal clock

JP10B

Pins 1 & 2 closed

  Line 2 will use external clock

JP10B

Pins 2 & 3 closed

» Factory configured - do not alter

JP2A

Unidentified

» Factory configured - do not alter

JP2B

Unidentified


DIAGNOSTIC LED(S)

LED

Color

Status

Condition

TXD1

Red

On

Modem is transmitting data on line 1

TXD1

Red

Off

Modem is not transmitting data on line 1

RXD1

Red

On

Modem is receiving data on line 1

RXD1

Red

Off

Modem is not receiving data on line 1

RTS1

Red

On

RTS signal is high on port 1

RTS1

Red

Off

RTS signal is low on port 1

CTS1

Red

On

CTS signal is high on port 1

CTS1

Red

Off

CTS signal is low on port 1

DSR1

Red

On

DSR signal is high on port 1

DSR1

Red

Off

DSR signal is low on port 1

DTR1

Red

On

DTR signal is high on port 1

DTR1

Red

Off

DTR signal is low on port 1

RI1

Red

On

Line 1 is ringing

RI1

Red

Off

Line 1 is not ringing

DCD1

Red

On

Carrier signal detected

DCD1

Red

Off

Carrier signal not detected

SL1

Red

On

Line 1 is active

SL1

Red

Off

Line 1 is not active

TXD2

Red

On

Modem is transmitting data on line 2

TXD2

Red

Off

Modem is not transmitting data on line 2

RXD2

Red

On

Modem is receiving data on line 2

RXD2

Red

Off

Modem is not receiving data on line 2

RTS2

Red

On

RTS signal is high on port 2

RTS2

Red

Off

RTS signal is low on port 2

CTS2

Red

On

CTS signal is high on port 2

CTS2

Red

Off

CTS signal is low on port 2

DSR2

Red

On

DSR signal is high on port 2

DSR2

Red

Off

DSR signal is low on port 2

DTR2

Red

On

DTR signal is high on port 2

DTR2

Red

Off

DTR signal is low on port 2

RI2

Red

On

Line 2 is ringing

RI2

Red

Off

Line 2 is not ringing

DCD2

Red

On

Carrier signal detected

DCD2

Red

Off

Carrier signal not detected

SL2

Red

On

Line 2 is active

SL2

Red

Off

Line 2 is not active

PWR

Red

On

Power is on

PWR

Red

Off

Power is off