User guide

Introduction
9
1.3.6 Blank Plates
Blank plates must be fitted over all vacant bays at the rear of the enclosure as shown in Figure 1–14. There are three
sizes of blank plate available:
– Single bay Rear blank plates
– 1x2 bay Rear blank plates
– 1x3 bay Rear blank plates
Warning Operation of the Enclosure with ANY blank plates or rear modules missing will disrupt the airflow
and the drives will not receive sufficient cooling. It is ESSENTIAL that all rear apertures are filled
before operating the unit.
1.4 Visible and Audible Alarms
The functional modules have associated status LEDs. The ESI/Ops Panel shows a consolidated status for all
modules.
LEDs show constant green for good or positive indication and flashing green/red if non-critical conditions exist.
Constant Amber LEDs indicate there is a fault present within that module.
The ESI/Ops Panel also incorporates an Audible Alarm to indicate when a fault state is present and also an Alarm
Mute push-button.
Warning The Power Supply/Cooling module is not an operator removable part. It must only be removed by
a qualified service engineer who has knowledge of the hazards present within the module.
1.4.1 Anti-tamper Locks
Anti-tamper locks may be fitted in the drive carrier handles (Figure 1–15) and are accessed through the hole in the
lower part of the handle trim piece. These are provided to disable the normal “Push/Push” latch action of the handle.
Figure 1–14 Enclosure with Blanking Plates