StorCase Technology 12-Bay 4U SCSI Ultra320 - Manual (Page 15)

6 Introduction
StorCase Technology, Inc. InfoStation 12-Bay SCSI User's Guide - Rev. B00
Rear Panel
(Figure 3)
NOTE: Blank plate (provided) must be installed if any module slot is left empty. Instal-
lation of the blank plate is necessary for proper cooling inside chassis.
• UI Module - LED panel displays system statuses, alarms, and warnings. Refer to
section "User Interface Module" for further information.
• I/O Module(s) -Depending on model, your InfoStation may come equipped with
either two (2) Ultra320 I/O modules or two (2) Ultra320 I/O repeater modules (for
daisy-chaining applications). Refer to Appendix B for further information.
I/O Module LED(s) -
Error LED (Amber) - FLASHING indicates a detection in either:
1. Over temperature
2. Low termination voltage
3. Invalid differential voltage
Diagnostic LED (Green) - ON indicates PASS.
I/O Module only OFF indicates FAILURE (Error LED will flash)
Activity LED (Green) - ON indicates activity is present.
I/O Repeater Module only OFF indicates there is no activity present.
• I/O Panel - Provides up to four (4) I/Os for Host and/or Disk channels.
• Power Supply/Blower Module(s) - Two (2) 450W redundant, hot swappable
power supply modules. Each module features overvoltage and overcurrent pro-
tection, total usage hours, and power supply fault detection.
Each module also contains two (2) high-pressure, variable-speed blowers for ample
chassis cooling (79 CFM per module).
WARNING: DO NOT USE MODULE HANDLES TO LIFT CHASSIS! These handles
are specifically designed for the installation and removal of modules
only!
• Module Option - Allows the installation of StorCase upgrade products such as an
optional SNMP upgrade module. Contact StorCase for further information.