User guide

67
Problem Possible Solution
transmission speed
with WPA enabled
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 CH6640E/CG6640E front panel LEDs provide status information for the following
error conditions:
Table 2 – Front-Panel LEDs and Error Conditions
LED Status if, During Startup: if, During Normal Operation:
POWER
OFF CH6640E/CG6640E is not properly
plugged into the power outlet
The CH6640E/CG6640E is
unplugged
RECEIVE
FLASHING Downstream receive channel
cannot be acquired
The downstream channel is lost
SEND
FLASHING Upstream send channel cannot be
acquired
The upstream channel is lost
ONLINE
FLASHING IP registration is unsuccessful The IP registration is lost