B
4 Troubleshooting Tips
24
Problem
Possible Solution
your operating system described in
. Call your
service provider if you need an IP address.
No telephone service
- or -
TEL 1 or TEL 2 LED is off
•
If your telephone requires external power, check the AC power
connection to your telephone.
•
Check the connection between the SBV6120 and your telephone. If
they are properly connected and the TEL 1 or TEL 2 LED remains off,
the telephone line is not set up for voice service. Contact your service
provider.
•
Check the coaxial cable on the SBV6120 and the electrical outlet. Hand-
tighten the cable connectors if necessary.
•
Check the lights on the front panel. Make sure the green power light is
on. If it is not, check that the power cord is properly plugged into the
electrical outlet and the digital voice modem.
•
If you have cable TV, check that your TV is working and the picture is
clear. If you cannot receive your regular TV channels, your telephone
service will not function.
Front Panel LEDs and Error Conditions
LED
Turns Off During Startup, If:
Turns Off During Normal Operation, If:
POWER
SBV6120 is not properly plugged into the
power outlet
SBV6120 is unplugged
RECEIVE
Downstream (receive) channel cannot be
acquired
Downstream channel is lost
SEND
Upstream (send) channel cannot be
acquired
Upstream channel is lost
ONLINE
IP registration is unsuccessful
IP registration is lost
TEL 1 or
TEL 2
If either TEL LED fails to flash during
startup, telephone line configuration has
failed
Connected during a phone call and does
not blink, telephone connection is lost
