SWAN Concentrator Installation and Support Guide

Cable Specifications

SWAN Concentrator Installation and Support Guide—429391-006

B-18

X.21 Interface Converter Cable Wiring

Table B-9 describes the X.21 interface-converter cable wiring. The 50-pin connector on

this cable connects to the 50-pin WAN connector on the SWAN concentrator, and the

15-pin connector connects to a standard DB-15 15-pin connector with male contacts.

The four-bit ISEL value is %b0101.

Table B-9. X.21 Interface Converter Cable Wiring

50-Pin 15-Pin Signal

33 1 Shield

28Ground

52T_A

69T_B

10 4 R_A

11 11 R_B

14 3 C_A

15 10 C_B

19 7 B_A

20 14 B_B

22 5 I_A

23 12 I_B

38 6 S_A

39 13 S_B