Watson TDM
Operating Manual
Watson-TDM-Manual-W.doc
Version 2.0-01
9-38
Revision: 2008-02-07
9.4 nx64 kbit/s Connector
9.4.1 Connector
A female SubD25 connector is used for all nx64 interfaces. The table below
shows the pin-out of the connector for the different modes (according to RS-530,
ISO 2110) and the signal levels used for the signals.
13
1
25 14
Front View
SubD25, female
ITU-T Designation Signal Level
Pin Nr. V.35 V.36 X.21 V.35 V.36 X.21
1 FGND FGND FGND
2 103A 103A TA V.35 V.11 V.11
3 104A 104A RA V.35 V.11 V.11
4 105 105A CA V.28 V.11 V.11
5 106 106A IA V.28 V.11 V.11
6 107 107A
V.28 V.11
7 102 102 G
8 109 109A
V.28 V.11
9 115B 115B BB V.35 V.11 V.11
10
109B
V.11
11 113B 113B XB V.35 V.11 V.11
12 114B 114B SB V.35 V.11 V.11
13
106B IB
V.11 V.11
14 103B 103B TB V.35 V.11 V.11
15 114A 114A SA V.35 V.11 V.11
16 104B 104B RB V.35 V.11 V.11
17 115A 115A BA V.35 V.11 V.11
18 141 141
V.28 V.10
19
105B CB
V.11 V.11
20 108/2 108/2A BIA V.28 V.11 V.11
21 140 140
V.28 V.10
22
107B
V.11
23
108/2B BIB
V.11 V.11
24 113A 113A XA V.35 V.11 V.11
25 142 142
V.28 V.10
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