96
Cisco SFS 7024 InfiniBand Server Switch Hardware Users Guide
OL-8794-04
Appendix
Fan
OOB Ethernet RJ45 Port
SFS 7024 Leaf Module IB Ports
Problem
Fix
Red LED is lit
Call Tech Support
Fan not running
Ensure fan is seated properly.
If fan continues to be inoperable, call
Tech Support
Problem
Fix
The SFS 7024 Ethernet Port(s) have a
RJ45 Cable with a Noise Problem:
This problem would occur if there is a
RJ45 cable that has poor shielding or
contact of pins.
Ensure that the cable is a straight-through
Cat 5 cable (not a crossover cable).
If using a straight-through cable and still
experiencing this problem:
Test with a known good cable.
Absence of Ethernet link and/or
intermittent Ethernet connectivity.
Ensure that the Ethernet cable is Cat 5E or
Cat 6 certified.
Problem
Fix
No LED
LED may be bad if IB Link (A and B)
LEDs are lit, and the ATTN and/or STAT
is not.
Bad IB Cable
If the QUAL LED is not lit:
Test with a known good IB cable.