Installation Manual
H3C AR 18-2X Series Routers
Chapter 1 Product Overview
1-11
III. LEDs
You can gather information about the status of the AR
18-22-8/18-22S-8 and its interfaces by reading the twenty-two LEDs
on its cover, as shown below. Every LAN/WAN interface has LEDs
LINK/ACT and SPEED to indicate its running state.
Table 1-8
LEDs on the cover of the AR 18-22-8/18-22S-8
LED
Description
LINK/ACT
OFF means no link is present.
ON means a link is present.
Blinking means data is being sent
or/and received.
LAN1/LAN
2/LAN3/LA
N4/LAN5/L
AN6/LAN7
LAN8/WA
N0/WAN1
SPEED
OFF means the link rate is 10 Mbps.
ON means the link rate is 100 Mbps.
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.
ON means power is being supplied.
IV. Interface attributes
The AR 18-22-8/18-22S-8 provides a consol port and 10/100
Mbps Ethernet interfaces. Refer to 1.2.1 IV. for attributes detail.
The WAN1 interface supports only MDI other than MDI/MDIX
autosensing. Other Ethernet interfaces share the same attributes with
the AR 18-21.
