Installation Manual
H3C AR 18-3XE/18-21X Series Routers
Chapter 1 Product Overview
1-22
LED
Description
DSL LNK
OFF means the ADSL2+ line is not activated.
Steady ON means the ADSL2+ line has been
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.
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.
IV. Interface attributes
The AR 18-21A provides one console port, four Ethernet ports,
and one ADSL2+ over POTS interface. For their attributes, see the
interface attributes of the models described in the preceding sections.
