Sierra Wireless AirCard 402 Betriebsanweisung PDF herunterladen (Seite 33)

Document 2131145. Rev 1.0 May.09 33

6: Technical Specifications

• LED operation

• Radio frequency and

electrical

specifications

• Environmental

specifications

Thischapterdescribe sthefunctionoftheLEDs,andprovides

technicalproductdataforthemodem.

LED operation

ThemodemhastwoLEDlights.TheLEDsoperateasfollows:

Table 6-1: LED operation

LED State Indicates

Off The modem has no power, or the LED has been disabled through the

software.

Check whether any of the following apply:

• You have powered off the modem.

• The modem is not completely inserted into the ExpressCard/

PC Card slot.

• The computer is in suspend mode, which powers down the

modem.

• You have set Disable LED (in the General pane of the User

Options window) to “Yes” (subject to feature availability).

Blue, not

blinking

The modem has power and is working properly.

Blue,

blinking

The modem’s firmware is being updated. Do not remove the modem.

Amber,

blinking

The modem is searching for service.

If this LED state persists:

• Ensure the modem is properly connected to your computer.

• If you are inside a building or near a structure that may be blocking

the signal, change the position or location of your computer.

• You may be able to improve the signal strength by attaching an

external antenna (page 21).

• Ensure you are within the CDMA network coverage area. For

coverage information, contact your service provider.

• Check with your service provider—a network or account problem

may be preventing the wireless device from obtaining service.

Amber, not

blinking

An error has occurred. Remove the modem (page 21) and reinsert it.

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