Electro-Mehanical Key Systems (1A1, 1A2 etc)

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Subject / Started by	Replies / Views	Last post
1A, 1A1 & 1A2 Key System Differences Started by HowardPgh	12 Replies 10734 Views	August 29, 2015, 02:44:04 PM by cello973
daisey chaining and unmarked terminals. Started by Babybearjs	4 Replies 838 Views	March 16, 2020, 11:06:32 PM by Babybearjs
Why ITT and WE parts are incompatable. Started by Babybearjs	5 Replies 379 Views	March 12, 2020, 08:12:21 PM by phr34k5h0w
getting it done, right..... Started by Babybearjs	6 Replies 1158 Views	February 04, 2020, 07:57:38 PM by Babybearjs
Com Key 718, System isnt recognizing touch tones. Any Ideas? Started by phr34k5h0w	4 Replies 300 Views	January 11, 2020, 07:00:07 AM by Payphone installer
another E-Bay listing 1A1 system Started by Babybearjs	4 Replies 355 Views	December 16, 2019, 04:55:00 PM by Key2871
208 KTU's and 25 Pair Cable Started by Babybearjs	4 Replies 462 Views	November 02, 2019, 12:35:40 AM by Babybearjs
Youtube video of a large 1A2 key system and phones. Started by Weco355aman	5 Replies 728 Views	July 15, 2019, 03:06:42 PM by Key2871
1a1 1a2 schematics needed Started by RB	6 Replies 368 Views	June 20, 2019, 06:30:38 AM by RB
What have you done to make your key system.. you, or make it easier to diagnose? Started by Key2871	2 Replies 819 Views	April 07, 2019, 04:19:50 PM by Key2871
NOS WE 1A2 Ringdown Unit. (not mine) Started by HarrySmith	2 Replies 551 Views	March 07, 2019, 10:26:56 PM by Key2871
851CMW High Quality Scan of User Manual "Book" and Schematic Started by robert_m	10 Replies 704 Views	February 17, 2019, 12:08:55 PM by robert_m
On the Hunt! Started by Babybearjs	5 Replies 819 Views	December 22, 2018, 01:43:07 PM by Jim Stettler
Getting into 1A2 systems via 620A panel Started by 280Parka	3 Replies 1219 Views	July 28, 2018, 10:09:25 PM by Key2871
Hooking up a 1A2 System to a SC 1575 Started by WesternElectricBen « 1 2 »	21 Replies 3237 Views	June 18, 2018, 11:03:11 PM by rdelius
What is this WE (620A “1A2”) Key Telephone System? Started by oldguy « 1 2 »	21 Replies 2058 Views	April 17, 2018, 06:27:20 PM by rdelius
Home made electronic 1A2 unit Started by Owain	9 Replies 1059 Views	March 29, 2018, 02:06:39 PM by oldguy
General DataComm Industries - Data Auxilary Set Started by AE_Collector	5 Replies 872 Views	February 19, 2018, 11:48:17 PM by AE_Collector
Wiring in a 208A KTU. Started by Babybearjs	2 Replies 969 Views	February 03, 2018, 10:26:17 PM by Babybearjs
Rosewill "Desktop" Rack Unit Started by Babybearjs	0 Replies 653 Views	January 12, 2018, 12:28:53 AM by Babybearjs

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