Chapter G: ShoreGear Switches IPBX-24 Voice Switch
ShoreTel 8 Planning and Installation Guide 355
This LED is not directly related to any particular switch’s individual network
activity. For example, if you have three switches that are connected to the same
hub, and one switch’s Traffic LED shows activity, the other switches will indicate
the same.
G.15.2 IPBX-24 Connectors
The IPBX-24 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
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
G.15.2.1 IPBX-24 RJ-21X Telephone and Trunk Connector
Table G-18 lists the RJ-21X Ring and Tip pin numbers for the IPBX-24I
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
Table G-18 IPBX-24 RJ-21X Telephone and Trunk Connector Pins
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