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Joined: Dec 2007
Posts: 71
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Joined: Dec 2007
Posts: 71 |
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Joined: Dec 2007
Posts: 6,834 Likes: 25
Retired Admin
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Retired Admin
Joined: Dec 2007
Posts: 6,834 Likes: 25 |
Amphenol connector and it looks like it has a locking mechanism. Wires with your typical butterfly tool.
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Joined: Jan 2016
Posts: 21
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Joined: Jan 2016
Posts: 21 |
I only counted 16 pair. I wonder what they were used on.
Jim Churchill
C*NET 1-821-9771
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Joined: Dec 2007
Posts: 6,834 Likes: 25
Retired Admin
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Retired Admin
Joined: Dec 2007
Posts: 6,834 Likes: 25 |
I only counted 16 pair. I wonder what they were used on. With a 5-Line set you don't need all 25 pair. I bet Arthur, Sam, or Ed have seen this in use. 2565 New York Telephone Company ~ Not For Sale...now available on eBay.
Last edited by Professor Shadow; 03/02/19 09:17 PM.
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Joined: Jul 2001
Posts: 3,347 Likes: 10
Moderator-Avaya-Lucent, Antique Tele
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Moderator-Avaya-Lucent, Antique Tele
Joined: Jul 2001
Posts: 3,347 Likes: 10 |
That has 2 rows if 16 contacts, and its a Female, not Male - pretty odd connector to be on the end of the mounting cord for a 1A2 phone
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Joined: Dec 2005
Posts: 9,181 Likes: 9
Spam Hunter
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Spam Hunter
Joined: Dec 2005
Posts: 9,181 Likes: 9 |
I used to work with Tellabs DCS systems (530, 532, 532L & 5500). Those cables remind me of ones that used to connect to the rear of the various shelf backplanes.
I Love FEATURE 00
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Joined: Dec 2007
Posts: 6,834 Likes: 25
Retired Admin
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Retired Admin
Joined: Dec 2007
Posts: 6,834 Likes: 25 |
I knew I read somewhere that Sam would know...
From a 07/09/10 post "On some sets (2564 series) there was only a 16 pair cable (if I remember correctly) and the violets, all the A1s but the first one and some other leads"
Wh/Bl -1 Tip
Bl/W - 1 Ring
W/O - 1A
O/W - A1
W/Gn - LG
Gn/W - 1 Lamp
W/Br - 2 T
Br/W - 2 R
W/SL - 2A
SL/W - A1
R/BL - LG
BL/R - 2L
R/O pair - 3 T/R
R/Gn pr - 3A/A1
R/Br pr - 3 LG/L
R/SL pr - 4 T/r
Bk/BL pr - 4A/A1
Bk/O pr - 4 LG/L
BK/Gn pr - 5 T/R
Bk/ Bn pr - 5 A/A1
Bk/SL pr - 5 LG/L
Y/BL or Y/O pr - usually assigned to the buzzer for Intercoms
Y/Gn pr - Often assigned as a Lamp for the Hold button (Misc. features)
Y/SL pr - always assigned for the Ringer wired for the "Common Bell"
The Violet group was usually set aside for speakerphone leads. On some sets (2564 series) there was only a 16 pair cable (if I remember correctly) and the violets, all the A1s but the first one and some other leads (Some LGs maybe?) were missing completely.
And no, without a KSU you would need a separate ringer for each line.
Also the correct term is a "Key Telephone" or a "Key Set" a KTU is actually a "Key Telephone Unit" - which is a circuit board that plugs into a KSU (Key Service Unit) - the things that make key telephones work.
Sam
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Joined: Jan 2008
Posts: 3,821
Retired Moderator
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Retired Moderator
Joined: Jan 2008
Posts: 3,821 |
I did a lot of 1A2 work in my day, did center 25 pair connections, did round 25 pair locking connectors for the military, but never saw anything like that.
www.myrandomviews "Old phone guys never die, they just get locked in some closet with an old phone system and forgotten about" Retired, taking photographs and hoping to fly one of my many kites.
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Joined: May 2007
Posts: 5,059 Likes: 6
Moderator-1A2, Cabling
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Moderator-1A2, Cabling
Joined: May 2007
Posts: 5,059 Likes: 6 |
I've never seen one like it. Or at least I don't remember if I ever did...  Sam
"Where are we going and why are we in this hand basket?"
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Joined: Feb 2005
Posts: 12,354 Likes: 4
Member
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Member
Joined: Feb 2005
Posts: 12,354 Likes: 4 |
I vaguely remember using those back in the '60s. Amphenol, though I don't know whether they still are made. http://www.tzsupplies.com/amphenol-genuine-26-4301-16-16-pin-i4931606/-Hal
CALIFORNIA PROPOSITION 65 WARNING: Some comments made by me are known to the State of California to cause irreversible brain damage and serious mental disorders leading to confinement.
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