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RAD Data comm 100 User Manual

Page 9

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Table 4. DB-25 Pin Allocation

(V.35)

Pin Name

Type

1 SHIELD

2 TxD-A

Output

3 RxD-A

Input

4 RTS-A

Output

5 CTS-A

Input

6 NC

7 GND

8

9 RCLK-B

Input

10 NC

11 NC

12 TCLK-B

Input

13 NC

14 TxD-B

Output

15 TCLK-A

Input

16 RxD-B

Input

17 RCLK-A

Input

18 NC

19 NC

20 NC

21 NC

22 NC

23 NC

24 NC

25 NC

Table 5. DB-25 Pin Allocation

(V.11)

(used for RS-530, X.21, V.36)

Pin Name

Type

1 SHIELD

2 TxD-A

Output

3 RxD-A

Input

4 RTS-A

Output

5 CTS-A*

Input

6 NC

7 GND

8 NC

9 RCLK-B

Input

10 NC

11 NC

12 TCLK-B

Input

13 CTS-B*

Input

14 TxD-B

Output

15 TCLK-A

Input

16 RxD-B

Input

17 RCLK-A

Input

18 NC

19 RTS-B

Output

20 NC

21 NC

22 NC

23 NC

24 NC

25 NC

* Indication signal for X.21