20
StorEdge S1 AC100 and DC100 Installation and Maintenance Manual • March 2002
Determining Cable Length
The total length of SCSI cable that can be used for a StorEdge S1 daisy chain
depends on whether or not the host SCSI port or adapter is LVD SCSI or single-
ended SCSI.
■
If the SCSI port or adapter is LVD SCSI, the total LVD SCSI cable length cannot
exceed 12 meters with the maximum number (16) of LVD SCSI devices.
■
If the SCSI port or adapter is single-ended (SE) SCSI, the total SE SCSI cable
length cannot exceed 3 meters.
Assembling the DC Input Power Cable
Follow these instructions to assemble the DC input power cable, which you use to
connect the DC power supply in your StorEdge S1 storage enclosure to the DC
power source.
Note –
See “Electrical Site Requirements” on page 83 for information on electrical
site requirements.
Required Connection Materials
The following DC connection materials are provided with every StorEdge S1 storage
enclosure for connection to the -48V DC power source:
■
Four WAGO DC connectors (two DC connectors for input cables and two spare
DC connectors)
■
Four WAGO DC strain relief housings (two strain relief housings for input cables
and two spare strain relief housings)
■
One cage clamp operating lever
■
Four tie wraps
The following figures show the DC connector, strain relief housing, and cage clamp
operating lever. You can order additional DC connection materials through Sun
Microsystems Inc.
™
(part number X949A).
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