sundance-communications.com/forum Forums Wiring - Telecom Carriers - Trunks & Services Security, Alarms and Paging Fire panel and POTS trouble

Problem is the dialer was just replaced on Monday.

I am at a loss the only thing that almost makes sense is an intermittemt RT trouble but if both lines are feed from the same RT that is out.

Has a switch tech looked at it? Just to status the line...see if its going PLO or HW AUTO depending on your switch? , maybe blkd rt auto if its a 5e..

Make sure the in and out pairs on the RJ31X aren't reversed.

There is no RJ31X, just an RJ45. These pairs go straight to panel and nothing else is tied in.

So

• it is a dedicated CO line.
• it is terminated on a RJ45 Jack.
• it is connected from the RJ45 Jack to the panel by the means of a manufactured 8 conductor patch cord.

A few questions that come to mind...

• Has the patch cord been replaced?
• Has the RJ45 jack been replaced.
• What is the condition of the pins on the FA Panel side of the patch cord?

There has been many times I have seen faulty modular clips {especially those made in the field}, or even someone using a 6 pin base cord in an 8 conductor jack, and also problems with the pins on the jacks...bent pins, corrosion, foreign material, et cetera...

Remember: "Entities must not be multiplied beyond necessity"- Occam's razor

"How often have I said to you that when you have eliminated the impossible, whatever remains, however improbable, must be the truth?" -Sherlock Holmes

Keep It Simple.

Okay here is the resolution. The customer finally told me " we would like some one else to fix it" and muttered several 4 letter words about me in general. I turned this issue over to my manager who then escalated it up the chain of command in my company. Basically my area manager told the customer in so many words to have their fire panel vendor fix it or find a new voice provider because we have done every thing in our power to appease the customer. We even had a special design engineer from out of town come down to verify my original test that the line meet or exceeded voice grade parameters. I'd like to thank everyone for their replies and attempting to help me out.

Thanks for the update. I felt you went FAR above and beyond what is required.

Sure is nice when the 'Boss' stands behind you to back you up. Rather than to throw you to the lions!

Just curious was the Fire Alarm set up for first rights? I seen a lot of Fire Alarm guys T-tap the line. The fire alarm guys just don't have a clue when it comes to dial tone. Somebody might have all ready asked this.


Kinda sounds like they may have had some voltage running through that alarm system.