QDR InfiniBand Switch Platform User Manual Rev 3.4
Mellanox Technologies
37
Figure 27: PSU Pulled Out
To extract a PSU:
1. Remove the power cord from the power supply unit.
2. Grasping the handle with your right hand, push the latch release with your thumb while pull-
ing the handle outward. As the PSU unseats, the PSU status indicators will turn off.
3. Remove the PSU.
To insert a PSU:
1. Make sure the mating connector of the new unit is free of any dirt and/or obstacles.
2. Insert the PSU by sliding it into the opening until a slight resistance is felt.
3. Continue pressing the PSU until it seats completely. The latch will snap into place confirming
the proper installation.
4. Insert the power cord into the supply connector.
5. Insert the other end of the power cord into an outlet of the correct voltage.
3.6.6 InfiniBand Cable Installation
All cables can be inserted or removed with the unit powered on. To insert a cable, press the con-
nector into the port receptacle until the connector is firmly seated. The GREEN LED indicator,
corresponding to each QSFP port, will light when the physical connection is established (that is,
when the unit is powered on and a cable is plugged into the port with the other end of the connec
-
tor plugged into a functioning port). After plugging in a cable, lock the connector using the latch-
ing mechanism particular to the cable vendor. When a logical connection is made the yellow light
will come on. When data is being transferred the yellow light will blink.
Do not attempt to insert a PSU with a power cord connected to it.
The green PSU indicator should light. If not, repeat the whole procedure to
extract the PSU and re-insert it.
Cables in the bottom row should be inserted upside down in relation to the how
the cables are inserted in the top row.
Fan Unit
Power Side
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OK
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M ellano x
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OK
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OK
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OK
PSU1
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