User Guide

23
Configuration Rules
These rules must be applied when implementing the Altos S700 Series
configurations:
• When daisy chaining, both 2Gb enclosures must be configured
identically.
• 1Gb and 2Gb systems cannot be daisy chained together.
• Two LS modules and two I/O modules are required for dual drive
loops.
• Cannot mix optical and copper I/O modules in the same enclosure
(both I/O Modules must be the same).
• Cannot mix 1Gb and 2Gb LS and I/O modules, and 1Gb and 2Gb
cables.
• 2Gb JBOD and RAID enclosures require 2Gb cables.
• 2Gb JBOD enclosures require 2Gb disk drives.
• Disk drive blanks must be ordered for any empty drive slots.
• 2Gb copper JBOD expansion configurations must be the same as
the RAID configuration.
• 2Gb optical JBOD cannot be expansion enclosure for 2Gb RAID
configuration.
• 2Gb RAID controller has two SFF LC host connectors, an HSSDC
outpur connector and a RS232 port
• 2Gb RAID requires two LSMs.
• 2Gb RAID supports autonegiotate - operates at 1Gb or 2Gb.