APPENDIX C

MODEL 2707, 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)

 

 

18

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Patton electronic 2707C, 2707D, X.21 Interfaces user manual Appendix C Model 2707, Interface PIN Assignment, Pin # Signal