Connector Pinouts For The Rj-21 Port - Extreme Networks Alpine 3804 Hardware Manual

Table 69 describes the pinouts for the RJ-21 port.
Table 69: Connector pinouts for the RJ-21 port
RJ-45 Number
1
2
3
4
5
6
7
8
9
10
11
12
Table 70 describes the output signals for the RJ-21 connector.
Table 70: Output signals for the RJ-21 connector
RJ-21 Pin
Numbers Output Signal
1 RxD (-)
2 TxD (-)
3 RxD (-)
4 TxD (-)
5 RxD (-)
6 TxD (-)
7 RxD (-)
8 TxD (-)
9 RxD (-)
10 TxD (-)
11 RxD (-)
12 TxD (-)
13 RxD (-)
14 TxD (-)
15 RxD (-)
16 TxD (-)
17 RxD (-)
18 TxD (-)
19 RxD (-)
20 TxD (-)
21 RxD (-)
22 TxD (-)
Extreme Networks Consolidated Hardware Guide
RJ-21 Pin Numbers RJ-45 Pin Numbers
1, 2, 26, 27 2, 6, 1, 3
3, 4, 28, 29 2, 6, 1, 3
5, 6, 30, 31 2, 6, 1, 3
7, 8, 32, 33 2, 6, 1, 3
9, 10, 34, 35 2, 6, 1, 3
11, 12, 36, 37 2, 6, 1, 3
13, 14, 38, 39 2, 6, 1, 3
15, 16, 40, 41 2, 6, 1, 3
17, 18, 42, 43 2, 6, 1, 3
19, 20, 44, 45 2, 6, 1, 3
21, 22, 46, 47 2, 6, 1, 3
23, 24, 48, 49 2, 6, 1, 3
RJ-21 Pin
Numbers Output Signal
26 RxD (+)
27 TxD (+)
28 RxD (+)
29 TxD (+)
30 RxD (+)
31 TxD (+)
32 RxD (+)
33 TxD (+)
34 RxD (+)
35 TxD (+)
36 RxD (+)
37 TxD (+)
38 RxD (+)
39 TxD (+)
40 RxD (+)
41 TxD (+)
42 RxD (+)
43 TxD (+)
44 RxD (+)
45 TxD (+)
46 RxD (+)
47 TxD (+)
Configuring I/O Modules
247