655A Redundant power supply installation for G650 3

[BrokenBear]

Greetings all,

I am installing redundant power supplies in 2 G650 gateways at our site. The power supplies don't come with any documentation on how to install. My question concerns the 3-position switch on each power supply. There are 3 settings - OFF, 25HZ and 20HZ. They are currently set to 20HZ.

Do I need to change the switch setting? Also, there is 3 rows of jumper pins - do any need to be jumped?

My assumption is that these 655A power supplies are hot-swappable right out of the box - just plug 'em in and walk away. Are my assumptions correct?

Any advice on the procedure to install these is most appreciated.



Thank you, all!


Best regards.

 

[AvayaTier3]

Avaya Aura Communication Manager Hardware Description and Reference
555-245-207
Issue 8
May 2009

655A ring generation
The 655A provides either North American ringing (20Hz) or 
European/International (25Hz) ringing. 
The 655A also has a setting to provide no ringing. This setting is applicable 
when the customer supplies a ring generator that is external to the power 
supply. An example of an external ring generator is the TN2202 French ringing 
circuit pack.

The 655A power supply provides a physical slide switch to select the frequency 
of the ring generator. The options are:
- 20Hz  - North American
- 25Hz  - European and international
- Other - No ringing output. Applicable when an external ring generator is used 
          such as the TN2202 French ringing circuit pack.
You must remove the power supply from the G650 when you change the ringing 
frequency selection. The ringing frequency selection switch is on the back of 
the power supply.
Only one 655A supplies ringing to the G650. The power supply in slot 0 in the 
G650 with an A carrier address is the default for ringing. The system uses this 
default 655A unless the 655A has failed or the software has commanded it to shut
down. When a G650 carrier has redundant power supplies, one supply automatically
supplies ringing if the other power supply fails.
A 655A provides ringing to only one G650 carrier. For example, the 655A power 
supplies in carrier A supply ringing to carrier A only. Meanwhile, the power 
supplies in carrier D supply ringing to carrier D only. If the ring generation 
in both of a carrier's power supplies fail, no other power supply provides 
ringing for the carrier.

655A replaceable DC-input fuse

The 655A provides a replaceable 25 ADC-input fuse that protects the DC input 
from reverse voltage on the -48Vdc input. If reverse voltage is applied to the 
G650 and 655A power supply, the 655A fuse will blow open protecting the 655A 
from damage.
If the G650 will not operate on DC input (only), the fuse should be inspected by
removing the 655A power supply from the G650 and inspecting the protection fuse.
The fuse is located on the rear surface of the 655A power supply. A spare fuse 
is also located on the rear surface.

A great teacher, does not provide answers, but methods to teach others "How and where to find the answers"

bsh

37 years Bell, AT&T, Lucent, Avaya
Tier 3 for 27 years and counting

http://bshtele.com

 

[mojoputter]

They are hot swappable, although I would install them after hours just to be on the safe side. And as far as the switch settings, I looked at our lab G650 which has some older pwr supplies in it, but I did not see any switches on them, or could not find any documentation saying what they were to be set at. Maybe someone else can help with that info.

 

[BrokenBear]

Thank you, gents! That helps a great deal. Wish me luck!

 

[phoneguy55]

Assuming you have new power supplies, but if not read this first.

http://support.avaya.com/css/P8/documents/100018766

 

[BrokenBear]

Thanks, phoneguy55. That was great info. I checked the s/n and they should be good to go.