[VoIP] Power backup questions

[Andy]

How about running them on a battery fed supply? They are probably both DC
machines anyway (if the input is ac take the cover off and you will probable
find a bridge recifier in there making it DC), so get a battery of the
correct voltage, and size to cover the length outage you think and have a
mains charger charging the battery.

The battery size could be reduced if you have the charger plugged in on your
ups.

Andy G
 

-----Original Message-----
From: voip-bounces at ckts.info [mailto:voip-bounces at ckts.info] On Behalf Of
Jayson Smith
Sent: 31 October 2006 16:00
To: Voice Over IP Tandem for Analog Switches
Subject: [VoIP] Power backup questions

Hi guys,
This is mostly off-topic, but this morning we had an approx. two-hour power
outage.  Yeah Doug, I know that's nothing next to what you just went
through!  Anyway, while the inexpensive UPS's kept all our computers going,
the router and DSL modem had problems.  I guess either the DSL modem or the
router just can't handle much in the way of power glitches.  They were both
on a UPS, but when the power died so did our DSL connection.  This has
happened before when we would have tiny power glitches during storms and the
UPS would kick in.  I'm considering the purchase of a more expensive UPS for
my computers, probably one of the full ones that runs on battery even when
the power's on so there's no switchover time when the power actually does
die.  However, I don't really want to spend several hundred dollars for
another such UPS just for our router and DSL modem.  That seems a bit
overkill to me.  Both these devices use the typical wall wart type power
transformers, so they can't be using much power.  I'm just wondering if
there's any type of inverter/something out there that could help eliminate
the switchover effects?  E.G. a very tiny full, always on battery, UPS that
would only actually run these things for, say, ten seconds would do the
trick, since the switchover happens well within one second of the power
going out and the regular UPS would then be powering it again.  Any
thoughts?
Thanks,
Jayson.


_______________________________________________
VoIP mailing list
VoIP at ckts.info
http://lists.ckts.info/mailman/listinfo/voip
Project Web Page: http://www.ckts.info/

-- 
No virus found in this incoming message.
Checked by AVG Free Edition.
Version: 7.1.409 / Virus Database: 268.13.19/507 - Release Date: 31/10/2006
 

-- 
No virus found in this outgoing message.
Checked by AVG Free Edition.
Version: 7.1.409 / Virus Database: 268.13.19/507 - Release Date: 31/10/2006