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DS1000

All wiring connects to the NEC DS1000 behind the slide-out cover on the cabinet.
There are six 6-wire ("RJ25" type) modular jacks at the upper right corner, used for connecting phone lines, door intercoms, door openers, music, and a paging amplifier.
There is a 25-pair male "Amphenol"-type connector below the modular jacks for connecting the wires going to your phones.
We STRONGLY recommend that you install surge protectors for the AC power line, and each phone line.
The connections for lines (NEC calls them "trunks") and phones ("extensions") are shown below:
This page is just for basic information. PLEASE read the manuals that come with your system.

Modular Jack Connections

Jack
A

pins 1 & 6	not used
pins 2 & 5	music in
pins 3 & 4	paging out

Jack
D

pins 1 & 6	not used
pins 2 & 5	not used
pins 3 & 4	power failure

Jack
B

pins 1 & 6	not used
pins 2 & 5	door relay #1
pins 3 & 4	door intercom #1

Jack
E

pins 1 & 6	not used
pins 2 & 5	door relay #2
pins 3 & 4	door intercom #2

Jack
C

pins 1 & 6	line #3
pins 2 & 5	line #2
pins 3 & 4	line #1

Jack
F

pins 1 & 6	line #6
pins 2 & 5	line #5
pins 3 & 4	line #4

25-Pair Connections

Below the six modular jacks, is a 25-pair male "Amphenol" connector, used for connecting the wires going to your phones.
You will need a 66-type punch-down block with an attached 25-pair cable and female connector, or a patch panel.
The first 32 rows are used for 16 multi-line digital phones. One pair of wires is used for each phone. The DS1000 supports just 16 digital phones, unless you install the optional 80221 expansion module.
Rows 33 through 48 are used for 8 single-line analog phones or devices, such as faxes or credit card terminals. One pair of wires is used for each phone. The DS1000 supports just 8 analog phones, unless you install the optional 80221 expansion module.
Rows 49 and 50 are not used.
Your phones' intercom numbers start with 300, and can be changed. Normally, 300 through 315 are multi-line digital phones, and 316 through 323 are single-line analog phones and devices.

Cable and punch-down block reference

Base color/ Stripe color	Polarity (Tip is Positive)	Pair #	Pin #s in 25-pair "Amphenol" Connector	Row #s in 66 or 110 Punch-down Block	NEC DS1000 Intercom Number
White/Blue Blue/White	Tip 1 Ring 1	Pair 1	26 1	1 2	300
White/Orange Orange/White	Tip 2 Ring 2	Pair 2	27 2	3 4	301
White/Green Green/White	Tip 3 Ring 3	Pair 3	28 3	5 6	302
White/Brown Brown/White	Tip 4 Ring 4	Pair 4	29 4	7 8	303
White/Slate Slate/White	Tip 5 Ring 5	Pair 5	30 5	9 10	304
Red/Blue Blue/Red	Tip 6 Ring 6	Pair 6	31 6	11 12	305
Red/Orange Orange/Red	Tip 7 Ring 7	Pair 7	32 7	13 14	306
Red/Green Green/Red	Tip 8 Ring 8	Pair 8	33 8	15 16	307
Red/Brown Brown/Red	Tip 9 Ring 9	Pair 9	34 9	17 18	308
Red/Slate Slate/Red	Tip 10 Ring 10	Pair 10	35 10	19 20	309
Black/Blue Blue/Black	Tip 11 Ring 11	Pair 11	36 11	21 22	310
Black/Orange Orange/Black	Tip 12 Ring 12	Pair 12	37 12	23 24	311
Black/Green Green/Black	Tip 13 Ring 13	Pair 13	38 13	25 26	312
Black/Brown Brown/Black	Tip 14 Ring 14	Pair 14	39 14	27 28	313
Black/Slate Slate/Black	Tip 15 Ring 15	Pair 15	40 15	29 30	314
Yellow/Blue Blue/Yellow	Tip 16 Ring 16	Pair 16	41 16	31 32	315
Yellow/Orange Orange/Yellow	Tip 17 Ring 17	Pair 17	42 17	33 34	316
Yellow/Green Green/Yellow	Tip 18 Ring 18	Pair 18	43 18	35 36	317
Yellow/Brown Brown/Yellow	Tip 19 Ring 19	Pair 19	44 19	37 38	318
Yellow/Slate Slate/Yellow	Tip 20 Ring 20	Pair 20	45 20	39 40	319
Violet/Blue Blue/Violet	Tip 21 Ring 21	Pair 21	46 21	41 42	320
Violet/Orange Orange/Violet	Tip 22 Ring 22	Pair 22	47 22	43 44	321
Violet/Green Green/Violet	Tip 23 Ring 23	Pair 23	48 23	45 46	322
Violet/Brown Brown/Violet	Tip 24 Ring 24	Pair 24	49 24	47 48	323
Violet/Slate Slate/Violet	Tip 25 Ring 25	Pair 25	50 25	49 50	not used