3Com Router 3000 ADSL2+ Family
Installation Guide
1. Product Overview
1-8
1.3.3 LEDs
You may gather information about the status of the Router 3041and its interfaces by reading the 10
LEDs on its cover, as shown in Table 1-7.
Table 1-7
LEDs on the cover of the Router 3041
LED
Description
LAN1/LAN2/LAN3/LA
N4
OFF means no link is present.
Steady ON means a link is present.
Blinking means the interface is sending and/or
receiving data.
DSL LNK
OFF means no ADSL/ADSL2/ADSL2+ line is activated.
Steady ON means the ADSL/ADSL2/ADSL2+ line is
activated.
Blinking means the connected two parties are
negotiating parameters.
DSL ACT
OFF means no data is being sent or received.
Blinking means the interface is sending and/or
receiving data.
ISDN LNK
OFF means the ISDN link is not activated.
ON means the ISDN link has been activated.
ISDN ACT
OFF means no data is being sent or received on the
ISDN link.
Blinking means data is being sent and/or received on
the ISDN link.
SYS
Blinking means the system is operating normally.
Steady ON or OFF means the system is improperly
operating.
PWR
OFF means no power is being supplied.
Steady ON means power is being supplied.