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#109544 04/21/09 08:29 AM
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I am having trouble finding a PMS "Y" cable for the Mitel Express Messenger? Can anyone tell me where I could find a wiring diagram - I will probably have to make one up myself.

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Why do you need Y cable????


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There is no 'official' Y cable for this. When I've needed to do this, this is what I used:

https://bb-europe.info/bb-euro/literature/232CDT_4502.pdf

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I believe the "Y" cable (Mitel PN 50000320) allows access to the serial port for the Express manager connection, as well as the PMS connection.

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You can do that, but you have to dial into the EX Msngr and change the port type when you want to access

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I don't think there is a y cable, and why have one? One on site, can unplug and hook direct and off site can access via modem.

While Dane is correct about disabling the PMS operation, with a y cable the pms may still try to send info, thats sure to mess something up IMHO.

The Mitel cable mentioned, from what I've read is only a low profile single ended cable to allow the door to be closed.


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