X.21 (Dce) Adapter Cable; Figure 16 X.21 (Dce) Adapter Cable Diagram - Nortel BayStack Instant Internet 400-S User Manual

X.21 (DCE) adapter cable

Figure 16 shows the pinout settings for an X.21 (DCE) modem adapter cable
(part number CQ2118006).

Figure 16 X.21 (DCE) adapter cable diagram

DB25M
1
2
4
3
5
8
15
17
DTE
24
7
14
19
16
10
13
9
12
11
25
26
Appendix B Adapter cable pinout diagrams
Setting Up the BayStack Instant Internet 400-S Unit
DV15M (X.21 VF)
1 GND
2 TDA
3 RTA
4 RDA
5 CTSA
6 RCA
7 ETCA
8 SGND
9 TDB
10 RTB
11 RDB
12 CTSB
13 RCB
14 ETCB
9941EB
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