Digital phones on copper - new dlc's

[wideawake12]

I been task to install a digital phone on copper and the distance is over 4000ft do I need to purchase different DLC's. In the switch right now is NT8D02GA Rel 07.

What do I need?????????

Switch is CS1000M CPIV

Thanks

 

[GHTROUT]

For a typical system with 22, 24, or 26 AWG standard twisted-pair cable, the requirements translate to the following allowable loops:

• up to 915 m (3000 ft) of 22 or 24 AWG cable
• up to 640 m (2100 ft) of 26 AWG cable

Your mileage may vary:

http://www.ghtrout.com/ghtrout/files/Digital_Line_Engineering.pdf

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[GHTROUT]

This company may end up having a cheap workaround:

http://www.citel.com/Products/EXTender/Models.asp

[©] GHTROUT.com [⇔] A Variety of Free Resources for Nortel Meridian/CS1000 System Administrators

 

[morenot]

You can use 2 pairs, 1 for Tip, another for Ring

 

[wideawake12]

GHTROUT and Morenot

Thanks for you info.....will pass on to management?????

Thanks

 

[PhonemanSam]

I make 2xxx series phones work by adding power at the remote end.
I have not tried the 39xx series phones
I'm talking about 3800 ft on 24ga copper.