User`s manual

Installation Guide

LED Normal Status Problem Indication

Activity LED When the activity LED is illu-

minated, there is I/O activity

on that disk drive. When the

LED is dark, there is no activ-

ity on that disk drive.

N/A

Fault LED When the fault LED is solid

illuminated, there is no disk

present and When the fault

LED is off, that disk is pres-

ent and status is normal.

Some controllers support the

“Identify Drive” function.

When the "Identify Drive" is

selected, the selected drive

fault LED will blank.

When the fault LED is slow

blinking (2 times/sec), that

indicate disk drive has failed

and should be hot-swapped im-

mediately.

When the activity LED is il-

luminated and fault LED is fast

blinking (10 times/sec) that

indicate there is rebuilding ac-

tivity on the disk drive.

Step 6. Connecting SFF-8087 Cable to Backplane

The ARC-8026 expander box supports 3/4/6 SFF-8087 connec-

tors on the back side. User uses suitable cable (depends on the

backplane) to connect the expander box connector to the enclo-

sure backplane.

Figure 2-4, Connect ARC-8026 and backplane