Sierra Wireless Compass 597 Betriebsanweisung PDF herunterladen (Seite 49)

Document 2130972. Rev 1.0 Apr.08 49

7: 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USBmodem.

LED operation

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

Table 7-1: LED operation

LED State Indicates

Off The modem has no power. You have powered

off the modem, or the modem is not completely

inserted into the USB slot, or the computer is in

suspend mode (Windows) or sleep mode

(Mac), which powers down the modem.

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 26).

• 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 23) and reinsert it.

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