Installation Manual

Chapter 1 Product Overview

H3C AR 18-2X Series Routers

III. LEDs

You can gather information about the status of the AR 18-22 and its interfaces by reading the eight LEDs on its cover, as shown below.

Table 1-6LEDs on the cover of the AR 18-22

LED

Description

LAN1/LAN2/L

OFF means no link is present.

ON means a link is present.

AN3/LAN4/W

Blinking means data is being sent or/and

AN0/WAN1

 

received.

 

 

 

Blinking means the system is operating normally.

SYS

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 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.

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HP AR 18 Router manual LAN1/LAN2/L