Specifications

Switch Port Pinouts ShoreTel 50V Voice Switch
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ShoreTel 14 Maintenance Guide 314
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Power Failure Transfer Unit: Trunk Port 1 to Extension Port 12
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Backup Operator: Extension Port 12
ShoreTel 50V RJ-21X Telephone and Trunk Connecto
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Table 84: ShoreTel 50V RJ-21X Telephone and Trunk Connector Pins
Port Type Ring Pin # Ring Cable Color Tip Pin # Tip Cable Color
1 Trunk 1 Blue/White 26 White/Blue
– 2 Orange/White 27 White/Orange
2 Trunk 3 Green/White 28 White/Green
– 4 Brown/White 29 White/Brown
3 Trunk 5 Slate/White 30 White/Slate
– 6 Blue/Red 31 Red/Blue
4 Trunk 7 Orange/Red 32 Red/Orange
– 8 Green/Red 33 Red/Green
– 9 Brown/Red 34 Red/Brown
– 10 Slate/Red 35 Red/Slate
– 11 Blue/Black 36 Black/Blue
– 12 Orange/Black 37 Black/Orange
– 13 Green/Black 38 Black/Green
– 14 Brown/Black 39 Black/Brown
– 15 Slate/Black 40 Black/Slate
– 16 Blue/Yellow 41 Yellow/Blue
9 Extension - DID 17 Orange/Yellow 42 Yellow/Orange
– 18 Green/Yellow 43 Yellow/Green
10 Extension - DID 19 Brown/Yellow 44 Yellow/Brown
– 20 Slate/Yellow 45 Yellow/Slate
11 Extension - DID 21 Blue/Violet 46 Violet/Blue
– 22 Orange/Violet 47 Violet/Orange
12 Extension - DID 23 Green/Violet 48 Violet/Green
– 24 Brown/Violet 49 Violet/Brown
– 25 Slate/Violet 50 Violet/Slate