SWAN 2 Concentrator Installation and Support Guide

Cable Specifications
SWAN 2 Concentrator Installation and Support Guide429593-010
C-18
X.21 Interface Converter Cable Wiring
X.21 Interface Converter Cable Wiring
Table C-9 describes the X.21 interface converter cable wiring. The 50-pin connector on
one end of this cable connects to the WAN port on the SWAN 2 concentrator, and the
15-pin connector on the other end connects to a standard DB-15 15-pin connector with
male contacts.
The four-bit ISEL value is %b0101.
Table C-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