RAD DATA COMMUNICATIONS

CMN-C6AC, CMN-C6ACU

Card Type

Modem (asynchronous)

Chipset

Unidentified

Maximum Data Rate

19.2Kbps x 2

Data Modulation

Unidentified

Data Bus

Proprietary

CONNECTIONS

Function

Label

Function

Label

Telephone line 1 out

CN1

Telephone line 2 out

CN3

Serial port data 1

CN2

Serial data port 2

CN4

USER CONFIGURABLE SETTINGS

Setting

Label

Position

í DCD forced high on modem 1

JP1

Pins 2 & 3 closed

DCD follows DTR on modem 1

JP1

Pins 1 & 2 closed

í DCD forced high on modem 2

JP2

Pins 2 & 3 closed

DCD follows DTR on modem 2

JP2

Pins 1 & 2 closed

í CN2 is DCE

SW1

Off

CN2 is DTE

SW1

On

í CN4 is DCE

SW2

Off

CN4 is DTE

SW2

On

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

PWR

Green

On

Power is on

PWR

Green

Off

Power is off

XMT1

Yellow

On

Modem 1 is transmitting data

XMT1

Yellow

Off

Modem is 1 not transmitting data

RCV1

Yellow

On

Modem 1 is receiving data

RCV1

Yellow

Off

Modem 1 is not receiving data

DCD1

Yellow

On

Carrier signal detected on line 1

DCD1

Yellow

Off

Carrier signal not detected on line 1

XMT2

Yellow

On

Modem 2 is transmitting data

XMT2

Yellow

Off

Modem is 2 not transmitting data

RCV2

Yellow

On

Modem 2 is receiving data

RCV2

Yellow

Off

Modem 2 is not receiving data

DCD1

Yellow

On

Carrier signal detected on line 1

DCD1

Yellow

Off

Carrier signal not detected on line 1

MISCELLANEOUS TECHNICAL NOTE

This card is intended for use in the CMN-16 rack-mount system. The bus is used only for supplying power for the card. All other card functions are accessed through the serial ports.