Table 2-8
I/O module SAS Activity LED conditions
(continued)
Fault LED (amber)
Activity LED (green)
Condition
On
Off
Critical Fault
Any fault which causes
operation of the cable to
cease or fail to start.
For example, an
OVERCURRENT trip.
Flashing - One second on; one
second off
Flash with aggregate
port activity
Non-Critical Fault
Any fault which does not
cause the connection to
cease operation.
For example, not all links
established;
OVERTEMPERATURE
condition detected.
See
“Veritas 2U12 49TB Storage Shelf I/O modules”
on page 39.
See
“I/O module Status LED location and conditions”
on page 41.
Veritas 2U12 49TB Storage Shelf Power Cooling Modules
The Veritas 2U12 49TB Storage Shelf includes two Power Cooling Modules (PCM).
The dual PCMs provide redundant power to the storage shelf. If one PCM fails, the
storage shelf continues to operate as the second PCM continues to supply the
storage shelf with power.
43
About the Veritas 2U12 49TB Storage Shelf
Veritas 2U12 49TB Storage Shelf rear components
