3Com Router 6000 Family
Installation Manual
Chapter 1
Preparing for Installation
3Com Corporation
1-8

II. LED and button

Figure 1-6 Front panel of RPU2
Table 1-3 RPU2 LEDs and the button
LED and button Description
RPU System operating LED. Blinking means CPU is in normal
operation; steady ON or OFF means CPU has failed.
FAN Steady ON means the FAN module is operating normally.
PWR1 Steady ON means the PSU 1 is operating normally, and
steady OFF means the PSU 1 is not present or has failed.
RUN
(green)
PWR2 Steady ON means the PSU 2 is operating normally, and
steady OFF means the PSU 2 is not present or has failed.
RPU ON means CPU has received an alarm signal, such as PSU
or FAN alarm (due to overtemperature, for example).
FAN ON means the FAN module is not present or its rotation is
blocked.
PWR1 ON means the PSU 1 has failed.
ALM
(red)
PWR2 ON means the PSU 2 has failed.
ECARD (green)
OFF means no card is present.
ON means a card is present and initialized.
Blinking means data is being transmitted or/and received.
CF (green)
OFF means no CF card is present.
ON means a CF card is present.
Blinking means the CF card is reading/writing data. To
prevent data corruption, do not remove the running CF card.
RESET The RPU2 hardware reset button.
LINK
(green) OFF means no link is present and ON means a link is
present.
10/100/
1000
Mbps
interfac
e LED
ACT
(yellow)
OFF means no data is being transmitted or received on the
interface and blinking means data is being transmitted
or/and received.

III. Interface

The RPU2 provides a 10/100/1000 Mbps fiber-optic interface in addition to console port,
AUX port, and 10/100/1000 Mbps electrical Ethernet interfaces.