HP AR 18 Router manual III. LEDs, IV. Interface attributes, Attribute Description

Installation Manual	Chapter 1 Product Overview
H3C AR 18-2X Series Routers

III. LEDs

You can gather information about the status of the AR 18-21 and its interfaces by reading the seven LEDs on its cover, as shown below.

Table 1-2LEDs on the cover of the AR 18-21

LED	Description
LAN1/LAN2/	OFF means no link is present.
	ON means a link is present.
LAN3/LAN4/
WAN0	Blinking means data is being sent or/and 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 interfaces that the AR 18-21 provides are described as follows:

1)Console port

Table 1-3Attributes of the console port

Attribute	Description
Connector	RJ45
Interface standard	Asynchronous RS232
Baud rate	9600 (default) to 115200 bps

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