Optional Redundant Power Unit; Power Supply Sockets; Table 1-2 System Status Leds - SMC Networks TigerSwitch SMC8728L2 Installation Manual

A T
BOUT THE IGER
LED
Power
Diag
RPU
Module 1 /
Module 2

Optional Redundant Power Unit

The switch supports an optional Redundant Power Unit (RPU) that can
supply power to the switch in the event of failure of the internal power
supply.

Power Supply Sockets

There are two power sockets on the rear panel of the switch. The standard
power socket is for the AC power cord. The socket labeled "RPU" is for the
optional Redundant Power Unit (RPU).
1-6
S
WITCH
Table 1-2
Condition
On Green
On Amber
Off
On Green
On Amber
Flashing Amber
On Green
Flashing Green
On Amber
Off
On Green
On Amber
Off
System Status LEDs
Status
Internal power supply is operating normally.
Internal power supply has failed.
Power off or failure.
System self-diagnostic test successfully
completed.
System self-diagnostic test in progress.
System self-diagnostic test has failed.
Redundant power available.
Operating on redundant power.
Fault in redundant power unit.
There is no redundant power unit currently
attached.
Module present and operating normally.
Module present but cannot be accessed or has
failed.
Module not present.