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I have done this several times on an 81C. Installing a UILC (NT6D71AA in an 81C): (Reference the Nortel ISDN Basic Rate Interface manual 553-3901-200, page 5 of 234). (See page 25 of 50 for 110 block layout). A UILC BRI card places 8 ports on the MDF and uses punch down 0, 2, 4, 6, 8, 10, 12...

Folks, How do you change time on a 6 x 16 with DS1 software? It appears to be different than later versions. Mannas

Question for the experts. I have a 6 x 16 with DR1. Can I upgrade to DR5? If so, how do you do it. After upgrade can voice mail be added? Thanks for the help, mannas

Folks I am looking for comments: I am an old telephone, key, pbx tech that has always worked for the big telphone guys. As with many, I am laid off. Any of you had any luck going out on your own? I feel I can do a better job for a customer than the big guys were letting me do. I need the...

Thanks for the help folks!

Folks, Please help me out. I'm working on a 6 x 16 (NT5801)that is older than I am. I need to add one phone and a music source for music on hold. What is the 66 block pinout? Also, the software is old. When in programming, there is no Maint menu option, so I can not find the software version...

Hi! I just went through the same thing. Did it on an 81C but programming should be same for Opt 11. Hope this helps! Installing a UILC (NT6D71AA) in an 81C (note:this card provided 8 DSL/BRI ISDN): (Reference the Nortel ISDN Basic Rate Interface manual 553-3901-200, page 5 of 234). (See page...

Thanks Folks!!!

My 81C services an Airfield. Currently we have NXX 991 and SPN 911 setup to route over PRI trunks to the City 911 Emergency Services. The airfield has it's own emergency response units (fire, rescue, police,EMT) and wants to change so that when 911 or 9 911 is dialed the call is routed to 1 of...

Help me out folks! I have an 81C which feeds several key systems including Norstar, ATT, and Lucent. I feed these key systems via Analog 500 TNs/lines. I have one Lucent that answers with an Auto Attendant. It’s the only one I have problems with. When a caller calls the Lucent w/AA and follows...

Yes, it could be both! First test Voice Mail TN by attaching a phone directly to the MDF punch down for the VM TN. If still noisy, change the TN. If noise clears, you have a wiring problem.

Disable the trunks you are not testing.

LD 37 STAT TTY This will list the terminals.

Use an OPS analog line card. This card is often used when providing analog lines to a Key System.