Front-Panel Components
The front panel of the switch contains the console port, all of the Ethernet ports, and LEDs. As shown in the following figure, the switch has three system LEDs
and one LED for each port. The following sections describe the front panel in more detail.
PWR LED
The PWR (power) LED shows the general operating status of the system. Indicator states include:
l Off — The unit is off with no power connections.
l Green — The unit's internal power supply is operating normally.
l Red — The unit's internal power supply has failed.
RPS LED
The RPS LED shows the operating status of a connected redundant power unit. Indicator states include:
l Off — The RPS is not connected.
l Green — The RPS is operating normally.
l Red — The RPS has failed.
DIAG LED
The diagnostic (DIAG) LED shows the status of the system diagnostics during initialization. Indicator states include:
l Blinking green — The system diagnostic test is in progress.
l Green — The system diagnostic test has completed successfully.
l Red — The system diagnostic test has detected a fault.
Console Port
You can access the console interface from the RS-232 serial port or a Telnet connection. The console port uses a standard null-modem cable. For instructions
on configuring your switch using the console, see "Management Interface."
Port LEDs
Two of the LEDs show the operating status of each Gigabit Ethernet port, and the other LED shows the operating status of each SFP transceiver slot. Details
of the LED indications are provided in each of the following sections.
Gigabit Ethernet Ports
Link Status and Activity (LINK/ACT)
l Green — A 1000-megabits per second (Mbps) link is up and there is no activity.
l Blinking green — A 1000-Mbps link is up and there is activity.
l Orange — A 10/100-Mbps link is up and there is no activity.
l Blinking orange — A 10/100-Mbps link is up and there is activity.
l Flashing orange — The link is in the admin down state.
l Off — The link is down.
Duplex Mode (FDX)
l Green — A full-duplex link is up.
l Off — A half-duplex link is up.
SFP Transceiver Ports
SFP Transceiver Status
l Green — An SFP transceiver is correctly installed in the slot.
l Off — An SFP transceiver is not installed in the slot.
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