Controls And Displays; Emu Functions; Emu Controls And Displays - HP StorageWorks 6100 - Enterprise Virtual Array User Manual

Controls and displays

Figure 18 illustrates the location and function of the EMU displays, controls, and connectors.
Figure 18 EMU controls and displays
1. Status indicators:
a. EMU — This flashing green is the heartbeat for an operational EMU.
b. Enclosure power— When both the +5 VDC and +12 VDC are correct, this green indicator is on.
c. Enclosure fault — This amber indicator is normally off. The indicator is lit when an enclosure error condition
exists.
2. Alphanumeric display — A two-character, seven-segment alphanumeric display of the enclosure functions
and status.
3. Function select button — The primary function of this button is to select a display group function. The indic-
ator is on when an error condition exists.
4. Display group select button — This button is used to view display groups and control the audible alarm.
The indicator is on when the audible alarm is muted or disabled.
5. RS232 – For use by HP-authorized service representatives
6. LCD ONLY – Unused
7. CAB ONLY – Enclosure address bus connector
WARNING!
To reduce the risk of electrical shock, fire, or damage to the equipment, do not plug telephone or
telecommunications connectors into the RS232 ONLY receptacle.

EMU functions

The primary functions of the EMU include:
• Using the Enclosure Services Processor (ESP) to control the Enclosure Services Interface (ESI) and
communicate with the controllers.
62 Enterprise Virtual Array hardware components