Chapter 2 Installation
Table 4
Meaning of the P113F Stackable Switch front panel LEDs
LED Indicator
Function
Status
Meaning
PWR Power
OFF
ON
Blink
Mains power not connected
Mains power connected
Working on back-up power supply
NMA Agent
OFF
ON
No agent in switch
Switch contains an active agent
RED NMA
Reserved for future use
OPR CPU
Operation
OFF
Blink
CPU is OK
CPU is faulty
R Redundancy
(ports 1/2)
OFF
ON
Blink
No redundancy
Port 1 active
Port 2 active
Function LED
Port LED
LNK
Link status
OFF
ON
Blink once
Blink twice
Port Disabled
Port is enabled and link is OK
Link Test Fail.
Partition.
COL
Collision
OFF
ON
No Collision
Collision occurred on line
Tx
Transmit
to
line
OFF
ON
No activity
Data transmitted
Rx
Receive
from line
OFF
ON
No activity
Data Received
FDX
Half/Full
duplex
OFF
ON
Half duplex connection to port.
Full duplex connection to port.
FC
Flow
control
Reserved for future use
ISL
Inter-switch
link
OFF
ON
Standard 100BASE-FX Ethernet packets
Virtual LAN and priority information
added to packets
P113F Stackable Switch Installation Guide
13
