Installation guide
IPBX-24 Voice Switch ShoreTel Voice Switches
F
ShoreTel 14.2 Planning and Installation Guide 489
1 RJ-45 connector for the LAN interface
24 RJ-11 connectors for the trunk and telephone ports:
8 universal telephone/trunk ports (Ports 1 through 8)
16 telephone ports (Ports 9 through 24)
Power fail transfer (between Ports 8 and 9)
1 RJ-21X male connector for mass termination of the telephone/trunk ports
IPBX-24 RJ-21X Telephone and Trunk Connector
Table 97 lists the RJ-21X Ring and Tip pin numbers for the IPBX-24I.
Table 97: IPBX-24 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
17 Extension 17 Orange/Yellow 42 Yellow/Orange
18 Extension 18 Green/Yellow 43 Yellow/Green
19 Extension 19 Brown/Yellow 44 Yellow/Brown
20 Extension 20 Slate/Yellow 45 Yellow/Slate
21 Extension 21 Blue/Violet 46 Violet/Blue