PLANET VC-2400MR48 - Manual (Page 214)

User’s Manual of VC-820M / VC-2400MR Series
A.3 RJ-21 Connector pin out for VC-2400MR Series
The above picture is the RJ-21 connector on VC-2400MR series. The following lists the RJ-21 connector pin outs:
Pin Port / Function Pin Port / Function
1 Port 24, Tip 26 Port 24, Ring
2 Port 23, Tip 27 Port 23, Ring
3 Port 22, Tip 28 Port 22, Ring
4 Port 21, Tip 29 Port 21, Ring
5 Port 20, Tip 30 Port 20, Ring
6 Port 19, Tip 31 Port 19, Ring
7 Port 18, Tip 32 Port 18, Ring
8 Port 17, Tip 33 Port 17, Ring
9 Port 16, Tip 34 Port 16, Ring
10 Port 15, Tip 35 Port 15, Ring
11 Port 14, Tip 36 Port 14, Ring
12 Port 13, Tip 37 Port 13, Ring
13 Port 12, Tip 38 Port 12, Ring
14 Port 11, Tip 39 Port 11, Ring
15 Port 10, Tip 40 Port 10, Ring
16 Port 9, Tip 41 Port 9, Ring
17 Port 8, Tip 42 Port 8, Ring
18 Port 7, Tip 43 Port 7, Ring
19 Port 6, Tip 44 Port 6, Ring
20 Port 5, Tip 45 Port 5, Ring
21 Port 4, Tip 46 Port 4, Ring
22 Port 3, Tip 47 Port 3, Ring
23 Port 2, Tip 48 Port 2, Ring
24 Port 1, Tip 49 Port 1, Ring
25 No Connect 50 No Connect
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