440 Planning and Installation Guide ShoreTel 14
ShoreTel Voice Switches ShoreTel 120 Voice Switch
F
ShoreTel 120 Connectors
The ShoreTel 120 voice switch contains the following components:
1 3.5 mm mono connector for audio input (music on hold)
1 3.5 mm mono connector for audio output (overhead paging and night bell)
1 DB-9 female connector for maintenance
2 RJ-45 connectors for the LAN interface
1 RJ-11 connector for connecting an analog phone (extension 9)
1 RJ-21X male connector for mass termination of the telephone/trunk ports
Power Failure Transfer Unit: Trunk Port 8 to Extension Port 9
Backup Operator: Extension Port 9
ShoreTel 120 RJ-21X Telephone and Trunk Connector
Table 90 lists the RJ-21X Ring and Tip pin numbers for the SG 120I.
Table 90: ShoreTel 120 RJ-21X Telephone and Trunk Connector Pins
Port Type Ring Tip
Pin # Cable Color Pin # Cable Color
1 Trunk, DID, Extension 1 Blue/White 26 White/Blue
2 Trunk, DID, Extension 2 Orange/White 27 White/Orange
3 Trunk, DID, Extension 3 Green/White 28 White/Green
4 Trunk, DID, Extension 4 Brown/White 29 White/Brown
5 Trunk, DID, Extension 5 Slate/White 30 White/Slate
6 Trunk, DID, Extension 6 Blue/Red 31 Red/Blue
7 Trunk, DID, Extension 7 Orange/Red 32 Red/Orange
8 Trunk, DID, Extension 8 Green/Red 33 Red/Green
9 Extension 9 Brown/Red 34 Red/Brown
10 Extension 10 Slate/Red 35 Red/Slate
11 Extension 11 Blue/Black 36 Black/Blue
12 Extension 12 Orange/Black 37 Black/Orange
13 Extension 13 Green/Black 38 Black/Green
14 Extension 14 Brown/Black 39 Black/Brown
15 Extension 15 Slate/Black 40 Black/Slate
16 Extension 16 Blue/Yellow 41 Yellow/Blue
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