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Joined: Jun 2004
Posts: 4,552 Likes: 5
Moderator-Comdial, ESI, Voicemail, Cisco
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Moderator-Comdial, ESI, Voicemail, Cisco
Joined: Jun 2004
Posts: 4,552 Likes: 5 |
Vodavi Starplus Digital 4896 has locked up twice in the last 2 weeks. When it happens, the phones go online then offline repeatedly, and the system is generally sluggish. In both cases this was corrected with a power-cycle. Input power tests ok, and the system is on a new UPS. When we replaced the UPS a couple months ago the power problem caused by the failed UPS ended up taking out an analog station card. I'm thinking it's a failing power supply or CPU, but wanted to get some more system-specific experienced answers. It could also be that more was damaged by the previous UPS than I realized. Thanks!
Justin
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Joined: Jan 2005
Posts: 15,402 Likes: 18
Moderator-Vertical, Vodavi, 1A2, Outside Wire
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Moderator-Vertical, Vodavi, 1A2, Outside Wire
Joined: Jan 2005
Posts: 15,402 Likes: 18 |
Check the 5 and 12 volt outputs. This actually sounds like more of an issue with the memory battery on the CPB failing. I'd get a backup of the database now while you still can.
Ed Vaughn, MBSWWYPBX
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Joined: Jun 2004
Posts: 4,552 Likes: 5
Moderator-Comdial, ESI, Voicemail, Cisco
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Moderator-Comdial, ESI, Voicemail, Cisco
Joined: Jun 2004
Posts: 4,552 Likes: 5 |
Do the 5 or 12 volt outputs charge the memory battery? If the system is recovering after a power-cycle, how would the mem battery be affecting live operation?
Justin
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Joined: Jan 2008
Posts: 3,821
Retired Moderator
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Retired Moderator
Joined: Jan 2008
Posts: 3,821 |
It's old. I bet something is deterioating on just about every card. The power off discharges a bunch of caps and after the power is turned on and they warm up they start acting up again.
www.myrandomviews "Old phone guys never die, they just get locked in some closet with an old phone system and forgotten about" Retired, taking photographs and hoping to fly one of my many kites.
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Joined: Jun 2004
Posts: 4,552 Likes: 5
Moderator-Comdial, ESI, Voicemail, Cisco
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Moderator-Comdial, ESI, Voicemail, Cisco
Joined: Jun 2004
Posts: 4,552 Likes: 5 |
I've tried using the "it's old" argument. So far all it's gotten me is little sympathy.
Justin
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Joined: Feb 2009
Posts: 3,136
Moderator-Vodavi, Vertical, XBlue
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Moderator-Vodavi, Vertical, XBlue
Joined: Feb 2009
Posts: 3,136 |
If you don't have immediate backup parts, try disconnecting a card or two to lighten the load on the system. If that helps, it points to the power. but as Derrick said, other cards may be failing too. If the customer is determined to extend the life of this system, install a new memory battery and mark up any other parts to cover yourself for callbacks. The 4896 was discontinued 11 years ago and any part you find will be old.
- Dave S. -
You can never appease your ideologue opponents.
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Joined: Jan 2008
Posts: 3,821
Retired Moderator
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Retired Moderator
Joined: Jan 2008
Posts: 3,821 |
I know that SIBs, serial interface modules, can casuse this kind of thing as well.
www.myrandomviews "Old phone guys never die, they just get locked in some closet with an old phone system and forgotten about" Retired, taking photographs and hoping to fly one of my many kites.
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Joined: Jun 2004
Posts: 4,552 Likes: 5
Moderator-Comdial, ESI, Voicemail, Cisco
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Moderator-Comdial, ESI, Voicemail, Cisco
Joined: Jun 2004
Posts: 4,552 Likes: 5 |
Is it normal to have to reset the clock following a power-cycle?
Justin
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Joined: Jan 2008
Posts: 3,821
Retired Moderator
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Retired Moderator
Joined: Jan 2008
Posts: 3,821 |
Your memory battery may be going bad if you have to reset the clock. It isn't totally discharged or you would lose everything.
www.myrandomviews "Old phone guys never die, they just get locked in some closet with an old phone system and forgotten about" Retired, taking photographs and hoping to fly one of my many kites.
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Joined: Jun 2004
Posts: 4,552 Likes: 5
Moderator-Comdial, ESI, Voicemail, Cisco
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Moderator-Comdial, ESI, Voicemail, Cisco
Joined: Jun 2004
Posts: 4,552 Likes: 5 |
Does anyone have a documented test procedure for verifying in-spec voltages from the power supplies? Based on the Installation manual, it looks like you're supposed to rely only on the LEDs, but I have a feeling the test point specs are documented somewhere. Also, if you have the test procedure, do you have the allowed voltage variance?
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