LG-Ericsson iPECS ES-4526G, Installation Manual

Page: 30 / 98

C
HAPTER
1
| Introduction
Description of Hardware
– 30 –
ES-4550G / ES-4526G
O
PTIONAL
R
EDUNDANT
P
OWER
S
UPPLY
The switches supports an optional Redundant Power Supply (RPS), that can
supply power to them in the event the internal power supply fails.
Stack Master Green Switch is the Master unit of the stack. State may
include topology discovery, IP assignment, or
normal operations.
Flashing Green Switch is the Master unit of the stack, system is
initializing.
Amber Switch is operating as a Slave unit in the stack.
Flashing Amber System in Master arbitration/election state.
Off System in standalone mode.
Stack Link Green Uplink and downlink operating normally.
Flashing Green Uplink has failed.
Flashing Amber Downlink has failed.
Off No stacking link present.
Module Green An expansion module is installed and operating
normally.
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 If the
master unit fails and a backup unit takes over, the
stack IDs do not change.)
Slave units are numbered 2-8.
Off In standalone mode.
Table 3: System Status LEDs
LED Condition Status