Author Topic: Identify Switchboard  (Read 484 times)

Offline HarrySmith

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Identify Switchboard
« on: January 04, 2018, 01:49:52 PM »
I have 1 picture of a switchboard coming up in auction near me. I think it is a WE 555 but I am not sure. Can anyone tell me from this 1 little picture for sure?
Harry Smith
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Offline AE_Collector

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Re: Identify Switchboard
« Reply #1 on: January 04, 2018, 02:00:33 PM »
I'm going to say a 60 station 555. Frequently they are only equipped for 30 or 40 lines. They can be as large as 120 lines in the same size cabinet by having 20 lamps/jacks rather than 10 in each strip

Terry

Offline HarrySmith

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Re: Identify Switchboard
« Reply #2 on: January 04, 2018, 02:14:45 PM »
Thanks Terry, I thought so.
Harry Smith
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Offline Pourme

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Re: Identify Switchboard
« Reply #3 on: January 04, 2018, 02:40:20 PM »
No truth to the rumor, it was once owned by Abraham Lincoln....
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Offline AE_Collector

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Re: Identify Switchboard
« Reply #4 on: January 04, 2018, 02:43:15 PM »
The earlier 550, 551 & 552 type boards had the cords and keys mounted in the desk top. These later 555, 556 & 557 boards had the cords and keys on the angle at the back of the desktop. Thus improvement in design was to give the receptionist/phone operator a working desk area to do other functions between her other duties.

So since we know it is a 555, 556 or 557 the fact that it has the little square pieces with a jack in each one across the bottom of the vertical portion (incoming trunks) combined with lamps and jacks for stations I believe makes it a 555 PBX. 556 might be the front end to a PABX (operators position of an otherwise automatic board). Iím not completely certain how to verify that it isnít a 556. 557 is typical answering service board that frequently has single cords, not pairs and all Station jacks look like the incoming trunk jacks.

Thatís the best I can do...others likely know more than me. I have a 555 PBX and this looks identical.

Terry
« Last Edit: January 04, 2018, 05:39:33 PM by AE_Collector »

Offline HarrySmith

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Re: Identify Switchboard
« Reply #5 on: January 04, 2018, 02:54:49 PM »
No truth to the rumor, it was once owned by Abraham Lincoln....

No but he left his hat at the auction house. I think he slept there.
Harry Smith
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Offline Fabius

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Re: Identify Switchboard
« Reply #6 on: January 04, 2018, 03:18:04 PM »
Make sure you look in the rear to see if the equipment modules, wiring blocks, etc are in place. Many time people remove these items to make the switchboard lighter.
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Offline HarrySmith

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Re: Identify Switchboard
« Reply #7 on: January 04, 2018, 06:15:40 PM »
Absolutely! I already asked for a picture of the back!
Harry Smith
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"There is no try,
there is only
do or do not"