Instruction manual

V36/RS-449

Interface Adapter

Cable

The V.36/RS-449 interface adapter cable, CBL-KM-22/449, is terminated on the

user’s side in a 37-pin D-type female connector, wired as listed in Table A-2.

Table A-2. V.36/RS-449 Interface Adapter Cable

DB-15

Interface

Connector

DB-37

Connector

Pin (User’s

Side)

Designation

Direction

Function

LINK DATA

1 1 Shield – – Frame ground (shield)

2 4 SD(A) OUT IN TX data - A wire

3 7 RS(A) OUT N.C

Request to send - A wire

(main link only)

4 6 RD(A) IN OUT RX data - A wire

5 13 RR(A) N.C OUT

Carrier detect - A wire (data channel

only)

6 5 ST(A) IN OUT Transmit clock - A wire

7 8 RT(A) IN OUT Receive clock - A wire

8 19 – – – Signal ground

9 22 SD(B) OUT IN TX data - B wire

10 25 RS(B) OUT N.C

Request to send - B wire

(main link only)

11 24 RD(B) IN OUT RX data - B wire

12 31 RR(B) N.C OUT

Carrier detect - B wire (data channel

only)

13 23 ST(B) IN OUT Transmit clock - B wire

14 26 RT(B) IN OUT Receive clock - B wire

15 – – – – Not connected

MAIN LINK AND DATA CHANNEL INTERFACES

DV-MUX3 Installation and Operation Manual A-3