Infiniband Qsfp Cable Installation - Mellanox Technologies Switch-IB User Manual

2.8

InfiniBand QSFP Cable Installation

The switch uses industry standard QSFP InfiniBand cables which are available from Mellanox
Technologies. The Mellanox proprietary QSFP cables support full 100+100Gb/s (EDR),
56+56Gb/s (FDR), 40+40Gb/s (FDR10), 40+40Gb/s (QDR), 20+20Gb/s (DDR) and 10+10Gb/s
(SDR) bidirectional wire speed of the switch ports. All InfiniBand QSFP connections are made to
the leaf modules. Each leaf has 18 InfiniBand QSFP connectors in two rows, which are num-
bered 1-18. See Section 3.1.7
If maximum cable lengths are exceeded data transfer will be reduced and the bit error
rate will increase.
EDR is only guaranteed to work with approved Mellanox cables.
All cables can be inserted or removed with the unit powered on. To insert a cable, press the con-
nector onto the port receptacle until the connector is firmly seated. The orange LED indicator
above the port will light when the physical connection is established (when both ends of the cable
are properly connected to working devices). Allow 15 seconds for link to get up. To remove, dis-
engage the lock and slowly pull the connector away from the port receptacle.
For a valid physical connection both ends of the cable must be connected to working
devices.
Careful to not impede the airflow through the ventilation holes next to the InfiniBand
ports. Use cable lengths which allow routing horizontally around to the side of the
chassis before bending upward or downward in the rack.
Mellanox Technologies
All management modules in the chassis must go through an initial configuration proce-
dure. See the Installation Guide for the initial configuration procedure.
for port numbering.
Installation
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