CHAPTER 1 | Introduction
Description of Hardware
Table 2: System Status LEDs (Continued)
LED Condition Status
Stack Link
Green Uplink and downlink operating normally.
Flashing Green
Uplink has failed.
Flashing Amber
Downlink has failed.
Off No stacking link p resent.
Module Green An expansion module (LGB6001C) is installed
and operatin g no rm a l ly.
Amber An expansion module is installed but has failed.
Off There is no module installed.
Stack
ID
1-8
Indicates
the
switch
stack
ID.
The Master unit is numbered 1. (Note that I f the
master unit fails and a back up unit takes over, the
stack IDs do not change.)
Slave units are numbered 2-8.
Off In standalone mode.
OPTIONAL REDUNDANT POWER
S
UPPLY
The switch supports an optional Redundant Power Su pply (RPS), that can supply
power to the switch in the event the internal power supply fail s.
POWER SUPPLY
S
OCKET
There are two power sockets on the rear panel of
each
switch.
The standard
power socket is for the AC power cord. The socket labe led “RPS” is for the
optional
Redunda nt
Power
Supply (RPS).
Figure 5: Power Supply Sockets
Power Socket Redundant Power Socket
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