Appendix D Interface PIN Assignment Tables

APPENDIX D

1090 INTERFACE PIN ASSIGNMENT TABLES

M/34F Connector-DCE

(V.35 Interface)

Pin #

Signal

BSGND (Signal Ground)

CRTS (Request to Send)

DCTS (Clear to Send)

EDSR (Data Set Ready)

FCD (Carrier Detect)

HDTR (Data Transfer Ready)

L LLB (Local Line Loop)

M TM (Test Mode)

N RDL (Remote Digital Loop)

P TD(Transmit Data)

R RD (Receive Data)

S TD/ (Transmit Data-B)

T RD/ (Receive Data-B)

U XTC (External Transmit Clock)

V RC(Receive Timing)

W XTC/ (External Transmit Clock)

X RC/ (Receive Timing)

Y TC(Test Control-A)

AA TC/ (Test Control-B

APPENDIX D

1090 INTERFACE PIN ASSIGNMENT

DB-25F Connector-DCE

(X.21 Interface)

Pin #

Signal

1FG (Frame Ground)

2TD(Transmit Data)

3RD (Receive Data)

4RTS (Request to Send)

5CTS (Clear to Send)

6DSR (Data Set Ready)

7SGND (Signal Ground)

8CD (Carrier Detect)

9RC/ (Receive Timing-B)

10CD/ (Carrier Detect-B)

11XTC/(External Transmit Clock)

12TC/ (Test Control-B)

13CTS/ (Clear to Send)

14TD/ (Transmit Data-B)

15TC (Test Control-A)

16RD (Receive Data)

17RC (Receive Timing)

18LLB (Local Line Loop)

19RTS/ (Request to Send)

20DTR (Data Transfer Rate)

21RDL (Remote Digital Loop)

22DSR/ (Data Set Ready)

23DTR/ (Data Transfer Rate)

24XTC (External Transmit Clock)

25TM (Test Mode)