[j-nsp] Operating Temperature

[jnpr cisco]

We have M-160 with 1-3 FPC's only,
and it seems the FPC's run in High 40's n the fans kick up on high speed preety often....
Intutively this doesnt seem to good,
we were advised to clear up Air-Filters
however , doesnt seeem to help much.
 
rgds,
 


Harry Reynolds <harry at juniper.net> wrote:
Not sure of what is normal. It seems that an M5 runs a few degrees
higher than an M20:


These temps come form an M20 in an a room wih AC:

lab at San_Jose-3> show chassis environment
Class Item Status Measurement
Power Power Supply A OK
Power Supply B Absent
Temp FPC 0 OK 32 degrees C / 89 degrees F
FPC 1 OK 30 degrees C / 86 degrees F
Power Supply A OK 26 degrees C / 78 degrees F
Power Supply B Absent
SSB 0 OK 31 degrees C / 87 degrees F
Backplane OK 24 degrees C / 75 degrees F
Routing Engine 0 OK 29 degrees C / 84 degrees F
Fans Rear Fan OK Spinning at normal speed
Front Upper Fan OK Spinning at normal speed
Front Middle Fan OK Spinning at normal speed
Front Bottom Fan OK Spinning at normal speed
Misc Craft Interface OK

lab at San_Jose-3> show chassis hardware
Hardware inventory:
Item Version Part number Serial number Description
Chassis 23535 M20
Backplane REV 07 710-001517 AY3202
Power Supply A REV 04 740-001465 002866 AC
Display REV 04 710-001519 AT2948
Routing Engine 0 REV 05 740-003239 9001024995 RE-2.0
SSB slot 0 REV 01 710-001951 AJ6424 Internet
Processor II
SSB slot 1 N/A N/A N/A backup
FPC 0 REV 01 710-001292 AN1843
PIC 1 REV 03 750-000612 AM8125 2x OC-3 ATM,
MM
PIC 2 REV 03 750-000611 AC6579 4x OC-3
SONET, MM
PIC 3 REV 08 750-001072 AE2632 1x G/E, 1000
BASE-SX
FPC 1 REV 01 710-001292 AN7273
PIC 1 REV 08 750-000614 AA3195 1x OC-12
ATM, SMIR
PIC 3 REV 08 750-000614 AA6882 1x OC-12
ATM, SMIR

And from an M5 in teh same rack:

[edit]
lab at Amsterdam-3# run show chassis environment
Class Item Status Measurement
Power Power Supply A OK
Power Supply B Absent
Temp FPC 0 OK 29 degrees C / 84 degrees F
FEB OK 30 degrees C / 86 degrees F
PS Intake OK 26 degrees C / 78 degrees F
PS Exhaust OK 27 degrees C / 80 degrees F
Routing Engine OK 30 degrees C / 86 degrees F
Fans Left Fan 1 OK Spinning at normal speed
Left Fan 2 OK Spinning at normal speed
Left Fan 3 OK Spinning at normal speed
Left Fan 4 OK Spinning at normal speed
Misc Craft Interface OK

[edit]
lab at Amsterdam-3# run show chassis hardware
Hardware inventory:
Item Version Part number Serial number Description
Chassis 50618 M5
Midplane REV 03 710-002650 HF2146
Power Supply A Rev 04 740-002497 LJ23330 AC
Display REV 04 710-001995 HD6812
Routing Engine e80000078e372001 RE-2.0
FEB REV 08 710-002503 AL0745 Internet
Processor II
FPC 0
PIC 0 REV 05 750-002992 HH2180 4x F/E, 100
BASE-TX
PIC 3 REV 03 750-002971 HA8184 4x OC-3
SONET, MM

[edit]
lab at Amsterdam-3#

> -----Original Message-----
> From: juniper-nsp-bounces at puck.nether.net
> [mailto:juniper-nsp-bounces at puck.nether.net]On Behalf Of
> Ernesto Rubi
> Sent: Wednesday, July 16, 2003 12:07 PM
> To: juniper-nsp at puck.nether.net
> Subject: [j-nsp] Operating Temperature
>
>
> Hi,
>
> Is it normal to have operating temperatures of 36 C / 96 F
> on the FPCs
> and Routing Engine? Just wanted to get a feel for what the
> "normal/optimum" temp should be...
>
> Thanks
>
> Ernie
> =)
>
>
>
> _______________________________________________
> juniper-nsp mailing list juniper-nsp at puck.nether.net
> http://puck.nether.net/mailman/listinfo/juniper-nsp

_______________________________________________
juniper-nsp mailing list juniper-nsp at puck.nether.net
http://puck.nether.net/mailman/listinfo/juniper-nsp


---------------------------------
Do you Yahoo!?
SBC Yahoo! DSL - Now only $29.95 per month!
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://puck.nether.net/pipermail/juniper-nsp/attachments/20030716/09491d11/attachment.htm