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#116157 10/30/03 01:41 PM
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You have a 1983 model EK1236 it sounds like. This is a six-wire model---it takes six wires to make a station work (compared to two wires in the new digital systems) In 1983 this was a miracle, because the systems before this one took 50 wires to make THEM work. Don't get too happy though. This system is still 20 years old. That's like forever.
ECPU-A----The first revision of the CPU
ECOU-A----A Line card
ESTU-A,D,G----Station cards(4 stations I think)
TSU-A-----A tone sender card(DTMF)
There were 3 sizes to this particular model---the ek820, the ek1236 and the dreaded ek2260. About 7 years ago, I left a 50 station 2260 on a dock for the junkman to take. This system is not even a fun system to try to have fun with, --just look at it wrong and it will blow a fuse. This is from the time when servicemen rode around with boxes of fuses in their vans; but if you really want to work on it---get a manual and have at it. i personally never want to see one again. Good Luck.

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#116158 10/30/03 10:52 PM
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Hey JW...your bringing back painful memory's about this system...

What a way to start off a Friday Morning...

I would like to advise the tech who has this system as to not get to comfortable with it, because its old and outdated and not to many companies are gonna stock refurbed stuff for it....

An interesting topic...How old would you consider a telephone system before we classify it as a dinosaur? Would you say a system 7-10 years old is not worth spending money on it to service?

Mitch Taylor

PS...If there is anybody out there who works with POS equipment please let me know what brands and if you know of any websites that provide information on them.

#116159 10/30/03 11:06 PM
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Hello,
You were right it's an old machine, but it takes 4 wires to for each station to work, All the stations working fine, (I tested them one by one) and also the CO lines, but they are on pulse mode, I can't get them to work on Tone mode, any clue how to do that?. Also the SLT telephones are working OK, but they don't communicate with each other, I could hear the tone, but I can't dial from them. Can anyone please tell how to get to program mode on that machine?
Thanks a lot.
Musa


Musa
#116160 10/31/03 02:03 AM
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You need to have a DSS hooked up to the system.
Set the SW1 switch on the ECMU or ECPU (depending on what cpu your system has) to the ON position.
Lift the DSS station handset.
Depress the DATA ENTRY button on the DSS.
Your ready to program.

The lines are set to Pulse mode in programming, you need to use program DSS KEY 33 to set them to DTMF

Added: If this is indeed a EK1236 then it should be a 3 pair system not two, the reason they are not working right is that you don't have all 3 pairs hooked up.




[This message has been edited by dtmf (edited October 31, 2003).]


Russ runs a local service and private tech center.

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#116161 10/31/03 02:51 AM
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Mitch,
As far as your question goes.
I have customers that like to keep up with the newest releases as they come out, and I have people that like to run them until the wheels fall off. So I guess it all depends on the customer.


Russ runs a local service and private tech center.

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#116162 10/31/03 06:04 AM
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Musa, The third pair allows the station user to be called hands-free on the intercom. Everything else should work without the third pair being connected.

[This message has been edited by chuck (edited March 11, 2004).]

#116163 10/31/03 06:21 AM
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Greetings all,
Hello dtmf, thank you for your input, maybe I need DSS like you said, cause I set the switch to on, and it did nothing.
Maybe the machine I have is not EK1236, because it is 2 pairs not three, all the extensions worked that way, if it was 3 pairs it will never work, right!
It is definitely 1236 machine, but it is NX series, even the telephone set are 4 wires.
Thanks.
Musa


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#116164 10/31/03 06:43 AM
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Yes you can make them work with only 4 wires but you won't have it working correctly.

They did make a Biscom 1236 that was 2pair. At this point I have no idea what you have.


Russ runs a local service and private tech center.

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#116165 10/31/03 06:47 AM
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Hi Chuck,
Sorry I misunderstood; I have all the 20 extensions connected as follows;
EXT 10 Blue (1) + White (26)
Orange (2) + white (27)
EXT 11 Green (3) + White (28)
Brown (4) + White (29)
And so on. Do you think I need to reconnect them again in different way?
If the answer is yes, please tell me how if you know.
Thank you in advance.
Musa


Musa
#116166 10/31/03 06:57 AM
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Ok lets start from the beginning, what can you do with the phones now. Do the line buttons work when you press them and can you dial out ( I realize they are dialing in pulse mode but they should still dial out ), can you intercom other phones?
I'm starting to think have a Biscom 1236 which is a 2 pair system.

Also give us a part number off the bottom of the phone.




[This message has been edited by dtmf (edited October 31, 2003).]


Russ runs a local service and private tech center.

[Linked Image from sundance-communications.com][/url]
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