Oracle Sun Datacenter InfiniBand Switch 648, Руководство по установке

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12 Sun Datacenter InfiniBand Switch 648 Installation Guide • May 2010
See “Floor and Underfloor Delivery of InfiniBand Cables” on page 14 and
“Overhead Delivery of InfiniBand Cables” on page 14 .
6. Label the ends of cables to identify their routes. Rest the cable connectors on a
stable surface when they are not connected.
Related Information
■
“Power Cord Requirements” on page 8
■
“Management Cable Requirements” on page 9
InfiniBand Cable Types
The following table lists the cables available for the switch, their length, and data
rate.
Related Information
■
“InfiniBand Cable Path Lengths” on page 12
■
“Connecting InfiniBand Cables” on page 108
■
“CXP Connector and Pins” on page 5
InfiniBand Cable Path Lengths
Cable paths should be as short as possible. When the length of a cable path has been
calculated, select the shortest cable to satisfy the length requirement. When
specifying a cable, consider the following:
■
Bends in the cable path increases the required length of the cable. Rarely does a
cable travel in a straight line from connector to connector. Bends in the cable path
are necessary, and each bend increases the total length.
Cable Type Lengths Data Rate
Splitter, optical core, CXP - QSFP x3 10 m, 20 m QDR
Splitter, copper core, CXP - QSFP x3 1 m, 2 m, 3 m, 5 m QDR
Pass-through, optical core, CXP - CXP 10 m, 20 m QDR
Pass-through, copper core, CXP - CXP 0.4 m, 1 m, 2 m, 3 m, 5 m QDR