Unpacking and Installing Your ELS10-26
2-3
Table 2-1. Meaning of ELS10-26 LEDs
LED Meaning
Port Status Mode
TX
RX
ACT
COL
FDX
100
MON
USR
On – Indicates port is transmitting a packet.
On – Indicates port is receiving a packet.
On – Indicates port is transmitting or receiving.
On – Indicates a collision on a port.
On - Port is operating in Full Duplex.
Off - Port is operating in Half Duplex.
On - Port operating at 100 Mbps.
Off - Port operating at 10 Mbps.
On - Indicates the port is copying to the monitor
port.
On - Indicates that errored packets were received.
Link (Individual
Ports)
On – Indicates the link is good.
Off – Indicates there is no link.
Status
(Individual Ports)
On/Blinking – Indicates you are monitoring the
port for a selected segment status condition. This
LED always indicates the selected status mode.
CPU On – Indicates the ELS10-26 is operational.
Blinking – Indicates the ELS10-26 is running
power-up diagnostics.
Off – Indicates the ELS10-26 is non-operational.
Pwr On – Indicates the ELS10-26 is receiving power
and the voltage is within the acceptable range.
Off – Indicates the ELS10-26 is not receiving
power.