Symbol Technologies MC9000-S Manuale Utente

12-14

Mobile computer is not 
communicating through 
the modem.

The modem cable is not fully 
connected.

Connect the modem cable securely to both the modem and 
the telephone jack.

Modem is not securely connected 
to the mobile computer.

Reconnect the modem to the mobile computer.

Communication software is not 
installed or configured properly.

Set up the communication software.

Problem in the telephone lines.

Connect a conventional telephone and dial the remote 
modem to verify the telephone lines are functioning. If the 
remote modem does not answer the call and emit 
answering tones, contact the remote System 
Administrator. 

Mobile computer’s battery is low or 
discharged, which shuts off power 
to the modem.

Install a charged battery in the MC9000, or use an external 
DC power adapter to recharge the battery. 

ActiveSync fails.

A partnership was not established 
with the host computer.

Establish a partnership with the host computer.

Host computer is not selected in 
the ActiveSync window on the 
mobile computer.

Select a host computer in the ActiveSync window, and 
perform setup.

Modem RAS connection not 
allowed by host computer.

Select RAS connection in the host computer (File - 
Connection Settings window). Refer to the ReadMe files 
located in the Microsoft ActiveSync folder on the host 
computer. 

Mobile computer or modem was 
disconnected from the telephone 
line while ActiveSync was in 
progress.

Disconnect the modem cable for 30 seconds to hang up 
the local telephone connection. Close any open windows 
on the mobile computer and any modem connections. 

Synchronization occurred, but the 
session is configured to close 
immediately after synchronization 
is complete. 

Verify the synchronizing setting.