Cisco WS-C2950T-48-SI Hardware Installation Manual page 107

Appendix B Connectors and Cables
Table B-1
Function
Port 5 Tip
Port 6 Tip
Port 7 Tip
Port 8 Tip
Port 9 Tip
Port 10 Tip
Port 11 Tip
Port 12 Tip
Port 13 Tip
Port 14 Tip
Port 15 Tip
Port 16 Tip
Port 17 Tip
Port 18 Tip
Port 19 Tip
Port 20 Tip
Port 21 Tip
Port 22 Tip
Port 23 Tip
Port 24 Tip
No connect
Table B-2
Table B-2
Function
Port 1 Tip
Port 2 Tip
Port 3 Tip
Port 4 Tip
Port 5 Tip
Port 6 Tip
Port 7 Tip
Port 8 Tip
No connect
No connect
OL-6156-01
Catalyst 2950ST-24 LRE and Catalyst 2950ST-24 LRE 997 Switch RJ-21 Cable Pinouts
Pin Pin Function
5 30 Port 5 Ring
6 31 Port 6 Ring
7 32 Port 7 Ring
8 33 Port 8 Ring
9 34 Port 9 Ring
10 35 Port 10 Ring
11 36 Port 11 Ring
12 37 Port 12 Ring
13 38 Port 13 Ring
14 39 Port 14 Ring
15 40 Port 15 Ring
16 41 Port 16 Ring
17 42 Port 17 Ring
18 43 Port 18 Ring
19 44 Port 19 Ring
20 45 Port 20 Ring
21 46 Port 21 Ring
22 47 Port 22 Ring
23 48 Port 23 Ring
24 49 Port 24 Ring
25 50 No connect
lists the RJ-21 cable pinouts on the Catalyst 2950ST-8 LRE switches.
Catalyst 2950ST-8 LRE Switch RJ-21 Cable Pinouts
Pin Pin Function
1 26 Port 1 Ring
2 27 Port 2 Ring
3 28 Port 3 Ring
4 29 Port 4 Ring
5 30 Port 5 Ring
6 31 Port 6 Ring
7 32 Port 7 Ring
8 33 Port 8 Ring
9 34 No connect
10 35 No connect
Cable and Adapter Specifications
Catalyst 2950 Switch Hardware Installation Guide
B-9