Administration

DSM16 – Wiring Chart
On the DSM16p, you can connect 16 digital telephones to the RJ-21 telephony connector on the system. The following table provides information about the wiring of the RJ-21 telephony connector:
Pair
Pins (Tip/Ring)
Wire colors (Tip/Ring)
Device type
Port
1 26 / 1 White-Blue / Blue-White Digital phone 1
2 27 / 2 White-Orange / Orange-White Digital phone 2
3 28 / 3 White-Green / Green-White Digital phone 3
4 29 / 4 White-Blue / Blue-White Digital phone 4
5 30 / 5 White-Slate / Slate-White Digital phone 5
6 31 / 6 Red-Blue / Blue-Red Digital phone 6
7 32 / 7 Red-Orange / Orange-Red Digital phone 7
8 33 / 8 Red-Green / Green-Red Digital phone 8
9 34 / 9 Red-Brown / Brown-Red Digital phone  9
10 35 / 10 Red-Slate / Slate-Red Digital phone  10
11 36 / 11 Black-Blue / Blue-Black Digital phone  11
12 37 / 12 Black-Orange / Orange-Black Digital phone  12
13 38 / 13 Black-Green / Green-Black Digital phone  13
14 39 / 14 Black-Brown / Brown-Black Digital phone 14
15 40 / 15 Black-Slate / Slate-Black Digital phone 15
16 41 / 16 Yellow-Blue / Blue-Yellow Digital phone 16
17 42 / 17 Yellow-Orange / Orange-Yellow    
18 43 / 18 Yellow-Green / Green-Yellow    
19 44 / 19 Yellow-Brown / Brown-Yellow    
20 45 / 20 Yellow-Slate / Slate-Yellow    
21 46 / 21 Violet-Blue / Blue-Violet    
22 47 / 22 Violet-Orange / Orange-Violet    
23 48 / 23 Violet-Green / Green-Violet    
24 49 / 24 Violet-Brown / Brown-Violet    
25 50 / 25 Violet-Slate / Slate-Violet    
NOTE

The pin-out for the RJ-21 connector follows traditional telephony wiring standards, and is consistent with the pin-out used in Nortel BCM Media Bay Modules (DSM16, DSM32) as well as Norstar Station Modules and can be used with RJ-11 breakout panels such as the Allen Tel AT125-SM Bridging Adapter.

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