Motorola 55631500500 ユーザーズマニュアル

B 

10 • Troubleshooting 

77 

  

Perform the first four checks in “Cannot send or receive data.” 

Check the Security Mode setting on the Wireless Primary Network 
Page: 

• 

If you enabled WPA and configured a passphrase on the SBG901, 
be sure each affected wireless client has the identical passphrase. 
If this does not solve the problem, check whether the wireless 
client supports WPA. 

• 

If you enabled WEP and configured a key on the SBG901, be sure 
each affected wireless client has the identical WEP key. If this 
does not solve the problem, check whether the client’s wireless 
adapter supports the type of WEP key configured on the SBG901. 

• 

To temporarily eliminate the Security Mode as a potential issue, 
disable security. 

 
After resolving your problem, be sure to re-enable wireless security. 

• 

On the Wireless Access Control Page, be sure the MAC address 
for each affected wireless client is correctly listed. 

On the Wireless Primary Network Page, check whether the WPA 
Encryption type is TKIP. If all of your wireless clients support AES, 
change the WPA Encryption to AES. 

Front-Panel LEDs and Error Conditions 

The SBG901 front panel LEDs provide status information for the following error 
conditions: 

LED 

Status 

If, During Startup: 

If, During Normal Operation: 

OFF 

SBG901 is not properly plugged 
into the power outlet 

The SBG901 is unplugged 

FLASHING 

Downstream receive channel 
cannot be acquired 

The downstream channel is lost 

FLASHING 

Upstream send channel cannot be 
acquired 

The upstream channel is lost 

FLASHING 

IP registration is unsuccessful 

The IP registration is lost