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32 9176/D173 D
ISK SUBSYSTEM - SITE PREPARATION GUIDE
Controller and Array Cable Requirements
Table 12 lists the cable requirements for controller and drive cable connections. For
performance sake of the interface card, you can use either fibre optic or twisted-pair
copper cable for host connections, depending on your host to storage subsystem distances.
Fibre Channel copper cables are used to make the 9170 drive connections.
To connect fibre optic host or drive cables to the controller tray, you must use GBIC host
or drive interface cards. To connect twisted-pair copper cables, you use a copper GBIC
with either a DB-9 or HSSDC cable connection port, and for fibre channel (glass) you use
the fibre channel GBIC.
NOTE The appropriate style of GBIC is provided based on the type of HBA that you
order. The configurator automatically select the cable and GBIC If, however,
you are installing a hub or switch you may have to modify your order.
It is possible to use both types of cables on the same controller tray for host or drive
connections as long as you use the appropriate type of GBIC interface card (see
illustrations below) for the respective type of cable.
Table 12 Host Interface Cable Requirements
Cable Descriptions Order Information
Item
Media
Type
Data Size
Transfer
Speed
Range Part No. Length
Fiber optic
(multi-mode,
50 micrometer)
Shortwave
laser
100 MB/sec 1062.5 Mbaud
Up to 0.5
kilometer
See Siebel
or SAP
clarify
3 meter
10 meter
Copper wire
(shielded,
twisted pair)
Electrical
signal
100 MB/sec 1062.5 Mbaud
Up to 30
meters
See Siebel
or SAP
clarify
3 meter
10 meter