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A-6
Cisco VG350 Voice Gateway Hardware Installation Guide
OL-25970-01
Appendix A Cable Specifications and Information
Analog Voice Multiport Pinouts (RJ-21X/CA21A)
Analog Voice Multiport Pinouts (RJ-21X/CA21A)
Figure A-5 shows the RJ-21 connector wiring for the cable used for the multiport analog voice interface.
Figure A-5 RJ-21 Connector Wiring
Table A-6 lists the pinouts for the RJ-21 connector.
36484
RJ-21 cable RJ-21 connector
125
5026
Table A-6 RJ-21 Connector Pinouts
Port
Number
Connector Pin
Number Signal
Port
Number
Connector Pin
Number Signal
11
26
Ring
Tip
13 13
38
Ring
Tip
22
27
Ring
Tip
14 14
39
Ring
Tip
33
28
Ring
Tip
15 15
40
Ring
Tip
44
29
Ring
Tip
16 16
41
Ring
Tip
55
30
Ring
Tip
17 17
42
Ring
Tip
66
31
Ring
Tip
18 18
43
Ring
Tip
77
32
Ring
Tip
19 19
44
Ring
Tip
88
33
Ring
Tip
20 20
45
Ring
Tip
99
34
Ring
Tip
21 21
46
Ring
Tip
10 10
35
Ring
Tip
22 22
47
Ring
Tip
11 11
36
Ring
Tip
23 23
48
Ring
Tip