Operating the ARN
114200 Rev. A
3-5
Expansion Module LEDs
An ARN expansion module can contain Ethernet, token ring, or serial interface
LEDs.
Ethernet LEDs
Table 3-4
describes the expansion module Ethernet LEDs.
Token Ring LEDs
Table 3-5
describes the expansion module token ring LEDs.
Table 3-4.
Expansion Module Ethernet LEDs
LED
Meaning
Tx
(Transmit)
Lights when the interface is transmitting data over the
network.
Rx
(Receive)
Lights when the interface is receiving data from the network.
Cl
(Collision)
Lights when the interface detects a collision on the network.
Table 3-5.
Expansion Module Token Ring LEDs
LED
Meaning
RCVR
(Receiver)
Lights when the interface is connected to the network.
NSRT
(Insert)
Lights when you insert the ARN into the Token Ring network.
WFLT
(Wire Fault)
Lights when the Token Ring hardware detects a wire fault
condition.