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Chapter 2 Installation
LED Indicator Function Status Meaning
duplex
ON
(Ethernet only)
Full duplex connection to port
(ATM is always ON)
Table 4 Meaning of the additional P117FR front panel LEDs
LED
Indicator
Function Status Meaning
M
S
Master port
(Upper ATM
connector)
Secondary port
(Lower ATM
connector)
Port LEDs
for the
ATM ports
These Port LEDs indicate status
according to the functional LEDs (see
Table 3)
R Redundancy status OFF
ON
Blink
Redundancy is disabled. Upper port
active
Redundancy is enabled. Upper port
active
Redundancy is enabled, and secondary
port (Lower ATM connector) is active
12 P117F(R) Stackable Switch Installation Guide