3com 2226 PLUS Owner's Manual download pdf (Page 13)

Physical Features 13

Gigabit Combo Ports

(5) Power LED

The Power LED shows the power status of the Switch.

(6) Self-adhesive Pads

The unit is supplied with four self-adhesive rubber pads.

Do not apply the pads if you intend to rack mount the

unit.

If the unit is to be part of a free-standing stack, apply

the pads to each marked corner area on the underside

of the unit. Place the unit on top of the lower unit,

ensuring that the pads locate with the recesses of the

lower unit.

Rear Panel

The rear panel of the Switch contains a power supply

socket and a recovery button.

(7) Power Supply

The Switch automatically adjusts to the supply voltage.

Only use the power cord that is supplied with the unit.

(8) Recovery Button

The recovery button reinitializes the Switch. This returns

the Switch to the factory default settings if, for

example, you have forgotten the default IP address, or

forgotten your user name or password.

CAUTION: 3Com recommends that you back up your

configuration settings before you recover the Switch,

otherwise your configuration may be lost. Refer to

“Resetting to Factory Defaults” on page 73 for details.

Status Meaning

Green SFP is inserted in the slot.

Off No SFP in the slot.

Status Meaning

Green The unit is powered on and ready for use.

Yellow Internal power, POST, or loopback test has

failed. Switch is in fail-safe mode.

Off The unit is not receiving power.

■ Check that the power cord is connected cor-

rectly.

■ If the unit still does not operate, contact your

supplier.

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3com 2226 PLUS Owner's Manual Page 13