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Norstar Application Module Inoperable

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bunkercomm

Technical User
Mar 16, 2009
22
CA
I have an application module which is no longer working.
It is NT5B74AABJ REL 07 MOD V3G.
The fiber connector light on the Media Services Base Interface Card doesn't come on.
There are no PCMCIA cards installed in the interface card.
Are there supposed to be for it to work?
Thanks.
 
The fiber lite on the NAM only operates when a fiber cable from a MICS in plugged in, so this is normal. The card slots are for MS-PEC cards to add more than 8 channels, so they are not required for operation. What are the symptoms? Do you know what the release is? Most likely R4.0 or R4.1.

Brian Cox
Oregon Phone
 
Connect a monitor and keyboard and reboot. You may be able to catch the error that is causing it to not boot such as a hard drive error or memory error. If you get no activity you may want to check the power supply.
 
Thanks for the replies.
I believe its a 4.1, but it won't successfully start on the phone system, so I can't really tell. Is there another way to determine that?
I have connected a monitor, keyboard and mouse to it. It had a dead BIOS battery error, so I replaced the battery.
Most of the time after it completes the POST it displays something like:
A>
C>
and won't accept any input from the keyboard. Once it booted to a graphical interface screen, where the mouse was visible and functional. There were 4 large icons at the bottom of the screen (I can't remember what they were called).
There are 5 or 6 green LEDs on the back plane board indicating the various power supply voltages, they are all well lit.
Any other thoughts?
Thanks
 
Sounds like the hard drive has gotten corrupted or has some bad sectors. Does the NAM play a series of tones after about 5 minutes? This indicates the completion of the boot sequence. If not, I'd say it needs a new hard drive. Hopefully the NAM's configuration file has been backed up as this contains keycode info.

Brian Cox
Oregon Phone
 
No, it doesn't play its happy little tune and I don't have any back up files.
Are Keycodes required for its most basic operation (AA, CCR, voice mail)?
Where would I get a replacement HDD? Any idea of the cost?
Has anyone ever tried cloning a working system's drive?
 
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