InfiniBand Cables

A P P E N D I X A

InfiniBand Cables

According to the InfiniBand specification, the link must transmit data with a bit error rate (BER) of at least 10^-12. The BER can be guaranteed for DDR speed only when recommended cables are used for InfiniBand connections.

This appendix contains the following sections:

Section A.1, Active and Passive DDR Copper Cables

A.1 Active and Passive DDR Copper Cables

The following table contains the list of recommended active and passive copper cables for the IB NEM.

TABLE A-1 Active and Passive DDR Copper Cables
Length and Type	Part #
3m Straight Through (Passive)	X2780-3M
5m Straight Through (Passive)	X2780-5M
7m Straight Through (Active)	X2780-7M
11m Straight Through (Active)	X2780-11M
15m Straight Through (Active)	X2780-15M
8m DDR Splitter	X2781-8M
12m DDR Splitter	X2781-12M
16m DDR Splitter	X2781-16M