Extreme Networks ExtremeSwitching ISW Series Quick Installation Manual page 13

Table 3: LED Status Indicators (continued)
LED
RR (Redundant Role)
RS (Redundant Status)
ISW Series Managed Industrial Ethernet Switch Quick Installation Guide
State
On
Off
On
Off
Industrial Series Switch Overview
Description
Redundant Master (Ring Master, Ring
Coupling Backup, Dual Homing, Chain Head,
Balancing Chain Central Block ) is enabled in
the system.
No Redundant Master is enabled in the
system.
1 If any Ring port links are down, the RS
LED will be ON.
2 If the device has any of Redundant Master
(Ring Master, Ring Coupling Backup, Dual
Homing, Chain Head, Balancing Chain
Central Block ) and detects a Ring/
Coupling/Dual Homing/Chain/Balancing
Chain failure (any node is link down), and
then RS LED will be ON.
All of the Ring ports are link up or Ring/
Coupling/Dual Homing/Chain/Balancing
Chain is healthy.
13