APPENDIX E

(continued)

PATTON NETLINK-E1™ MODEL 2701RC

EIA-530 INTERFACE PIN ASSIGNMENT

DB-25 Female Connector, Terminal Interface

Pin #

Signal

1FG (FrameGround)

2TD (Transmit Data-A, DTE Source)

3 RD (Receive Data-A, DCE Source)

4 RTS (Request to Send-A, DTE Source)

5 CTS (Clear to Send-A, DCE Source)

6 DSR (Data Set Ready-A, DCE Source)

7 SGND (Signal Ground)

8 CD (Carrier Detect-A, DCE Source)

9RC/ (Receiver Clock-B, DCE Source)

10 CD/ (Carrier Detect-B, DCE Source)

11 XTC/(External Transmitter Clock-B, DTE Source)

12 TC/(Transmitter Clock-B, DTE Source)

13 CTS/(Clear to Send-B, DCE Source)

14 TD/(Transmit Data-A, DTE Source)

15 TC(Transmitter Clock-B, DCE Source)

16 RD (Receive Data-A, DCE Source)

17 RC (Receiver Clock-A, DCE Source)

18 LL (Local LIne Loop)

19 RTS/(Request to Send-B, DTE Source)

20 DTR (Data Terminal Ready-A, DTE Source)

22 DSR/ (Data Set Ready-B, DCE Source)

23 DTR/(Data Terminal Ready-B, DTE Source)

24 XTC (External Transmitter Clock-A, DTE Source)

25 TM (Test Mode)

APPENDIX E

(continued)

PATTON ELECTRONICS MODEL 2701RC

INTERFACE PIN ASSIGNMENT

X.21 Interface

(DB-15 Female Connector)

(DTE /DCE Configuration)

Pin #

Signal

1. . . . . . . . . . . .

Frame Ground

2. . . . . . . . . . . .

T (Transmit Data-A)

3. . . . . . . . . . . .

C (Control-A)

4. . . . . . . . . . . .

R (Receive Data-A)

5. . . . . . . . . . . .

I (Indication-A)

6. . . . . . . . . . . .

S (Signal Element Timing-A)

7 . . . . . . . . . . .

BT (Byte Timing-A)

8 . . . . . . . . . . .

SGND (Signal Ground)

9 . . . . . . . . . . .

T/ (Transmit Data-B)

10 . . . . . . . . . . .

C/ (Control-B)

11 . . . . . . . . . . .

R/ (Receive Data-B)

12 . . . . . . . . . . .

I/ (Indication-B)

13 ........................

S/ (Signal Element Timing-B)

14 .......................

BT/ (Byte Timing-B)

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