X.21 (dce) adapter cable, Figure 8, X.21 (dce) adapter cable diagram – Nortel Networks Instant Internet 400 Unit User Manual
Page 55
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Appendix B Adapter cable pinout diagrams
55
Setting Up the BayStack Instant Internet 400 Unit
X.21 (DCE) adapter cable
shows the pinout settings for an X.21 modem adapter cable (part number
CQ2118004).
Figure 8 X.21 (DCE) adapter cable diagram.
1
2
4
3
5
8
15
17
24
7
14
19
16
10
13
9
12
11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
GND
TDA
RTA
RDA
CTSA
RCA
ETCA
SGND
TDB
RTB
RDB
CTSB
RCB
ETCB
DTE
DB25M
DV15M (X.21 VF)
9109EB
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