10-27-2005 08:20 AM - edited 03-03-2019 12:35 AM
Hello All,
I got the following message when I did a SHOW POWER on our 6509:
"Note: PS2 capacity is limited to 2940.00 Watts (70.00 Amps @ 42V)
when PS1 is not present"
The PSUs are running in redundant mode.
Is this something I should worry about?
ukcap04-133-c65-ios#show power
system power redundancy mode = redundant
system power total = 3780.00 Watts (90.00 Amps @ 42V)
system power used = 1215.48 Watts (28.94 Amps @ 42V)
system power available = 2564.52 Watts (61.06 Amps @ 42V)
Power-Capacity PS-Fan Output Oper
PS Type Watts A @42V Status Status State
---- ------------------ ------- ------ ------ ------ -----
1 WS-CAC-4000W-INT 3795.12 90.36 OK OK on
2 WS-CAC-4000W-INT 3795.12 90.36 OK OK on
Note: PS2 capacity is limited to 2940.00 Watts (70.00 Amps @ 42V)
when PS1 is not present
Pwr-Requested Pwr-Allocated Admin Oper
Slot Card-Type Watts A @42V Watts A @42V State State
---- ------------------ ------- ------ ------- ------ ----- -----
5 WS-SUP720-3B 282.24 6.72 282.24 6.72 on on
6 WS-SUP720-3B 282.24 6.72 282.24 6.72 on on
8 WS-X6748-GE-TX 325.50 7.75 325.50 7.75 on on
9 WS-X6748-GE-TX 325.50 7.75 325.50 7.75 on on
Solved! Go to Solution.
11-03-2005 10:10 AM
If you have 2 x 4000W and the power supply in bay #1 goes down, then the 4000W PSU in bay #2 will NOT be able to drive the full 4000W power - rather it will be limited to about 3000W. I dont know the exact
engineering reasons behind this but do know that this is not a bug and it is doing the right thing. Note the line in the output below which
highlights this...
PS Type Watts A @42V Status Status State
---- ------------------ ------- ------ ------ ------ -----
2 WS-CAC-4000W-INT 3795.12 90.36 - - off
*Note: PS2 capacity is limited to 2940.00 Watts (70.00 Amps @ 42V)
when PS1 is not present*
thanks
Salman Z.
11-03-2005 10:04 AM
Yes, this is the correct behavior of the router only.No need to worry about this.This is due to the limitation of the chassis (not power supply) New E-series chasses have higher power limit.
11-03-2005 10:10 AM
If you have 2 x 4000W and the power supply in bay #1 goes down, then the 4000W PSU in bay #2 will NOT be able to drive the full 4000W power - rather it will be limited to about 3000W. I dont know the exact
engineering reasons behind this but do know that this is not a bug and it is doing the right thing. Note the line in the output below which
highlights this...
PS Type Watts A @42V Status Status State
---- ------------------ ------- ------ ------ ------ -----
2 WS-CAC-4000W-INT 3795.12 90.36 - - off
*Note: PS2 capacity is limited to 2940.00 Watts (70.00 Amps @ 42V)
when PS1 is not present*
thanks
Salman Z.
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