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Joined: Jan 2007
Posts: 154
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Joined: Jan 2007
Posts: 154 |
This evening we did a 50 phone set for set change out, removing a 6 month old Cisco Call Manager and replacing it with a Toshiba CIX100.
All of the Cisco phones were running off of two Cisco Catalyst 3750 POE switchs (one 48 port and 1-24 port). When we started replacing all of the Ciscos with the new Toshibas (IPT5122's and a couple IPT5132's) the bulk of them came up perfectly, but as we started to get more of them plugged in we seemed to not be getting power from the switches on all ports. If we plugged in local power supplies they all work perfectly.
In troubleshooting after we got all the phones plugged in, we power cycled both switches to see what would happen and then differant phones powered up and ones that were working did not power up.
Other things that might have some bearing:
-the cabling (mostly cat5e) was installed by an electician and he stripped the jacket back 1"-3" on every location.
-3750 manual says it will support 7.7 watts per port, Toshiba tech support told me we are drawing 7.6 per phone (cisco phones seem to average 6.3 per some random google searches)
-I am pretty sure that a VLAN was set up for the cisco phones, but we are not setup for VLAN and everything was going to be on one network (recomended by Toshiba tech support for installs below 100 phones)
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Joined: Jun 2005
Posts: 2,706 Likes: 7
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Joined: Jun 2005
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IP 50000 manual says they draw 7.4 watts. We already had an issue when going from an IP 2XXX with the POE switch not supplying enough power. Not sure wahat type of switch it was to.
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Joined: Feb 2007
Posts: 320
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Joined: Feb 2007
Posts: 320 |
who knows what that switch was configured for, you might be better loading the default config..
I actually have some instructions for that if you need it just pm me your fax number...
you might want to hit up gcave over in the voip forum he seems to know cisco pretty well
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Joined: Dec 2002
Posts: 9,423 Likes: 1
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Joined: Dec 2002
Posts: 9,423 Likes: 1 |
Wow, congratulations on removing the Cisco 
Jeff Moss
Moss Communications
Computer Repair-Networking-Cabling
MBSWWYPBX, JGAE
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Joined: Dec 2006
Posts: 810
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Joined: Dec 2006
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Originally posted by jeffmoss26: Wow, congratulations on removing the Cisco 6 months old no less!
Pat Austin Teleco Inc. Product Manager/Sales Engineer Adtran ATSP TCTE/CTP Certified Teleco Homepage
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Joined: Jul 2006
Posts: 728
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If you can swing it get two 24 port switches and replace the 48's only 24 ports will be able to be used at a time. Unless you want to use the power supplies on the phones that have trouble coming up. Had this problem a while back on Tadiran IP phones at a bank.
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