3Com Webcache 1000 (3C16115) manual Power/Self test LED behavior, Problems Indicated by LEDs

32CHAPTER 2: INSTALLING THE WEBCACHE

CAUTION: The Webcache has no ON/OFF switch; the only method of connecting or disconnecting mains power is by connecting or disconnecting the power cord.

Checking for Correct During the power-up of the Webcache, all ports on the Webcache are Operation of LEDs disabled, all of the LEDs light and the Power/Self test LED flashes green

When the power-up has completed, check the Power/Self test LED to make sure that your Webcache is operating correctly. Table 6 shows possible behavior for the LED.

Table 6 Power/Self test LED behavior

Color	State
Green	The Webcache is powered-up and operating normally.
Green flashing	The Webcache is either powering-up or performing a
	software upgrade.
Yellow	The Webcache is powered-up but is not caching — a
	failure has occurred.
Off	The Webcache is not powered-up. This may also indicate
	a power failure.

Solving Problems If the LEDs on the Webcache indicate a problem, refer to Table 7, which Indicated by LEDs contains a list of problems and suggested solutions.

Table 7 Problems Indicated by LEDs

Problem Suggested Solution

The Power/Self test Check that the power cable is firmly connected to the

LED does not light Webcache and to the supply outlet. If the connection is secure and there is still no power, you may have a faulty power cord.

On powering-up, the Power/Self test LED lights yellow

A link is connected but the Status LED for the port does not light

The Webcache has failed during its power-up sequence because of an internal problem. Contact your supplier for advice.

Check that:

■All connections are secure.

■The devices at both ends of the link are powered-up.

■The quality of cable is satisfactory.