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ASD-4
6.1 Common Concerns
1. The green LED is flashing on and off, and no device on the line is off-hook
(no other LED is on).
The incoming telephone line is probably not properly connected to the
ASD-4. Check the connections to make sure that the incoming line is
connected to the LINE-IN port.
2. My phones only ring one time.
When the ASD-4 receives a call, it answers the call on the first ring. This is
the ring you hear on an extension phone. After the ASD-4 answers the call, it
listens for fax or modem tones. If it doesn't hear any of these, it provides a
continuous ring to the TAD and PHONE ports.
If you want all of your telephones to ring continuously on a voice call, you
must install the ASD-4 to maintain exclusion (see Section 3.5).
3. Sometimes when I answer a call that's ringing the TAD and PHONE ports, I
don't hear anything.
A fax machine that doesn't produce CNG tones might be trying to reach
your fax machine: The ASD-4 doesn't hear CNG tones and routes the call to
the TAD and PHONE ports. You must transfer these calls to your fax
manually. See Section 4.2.2.A.
4. Sometimes my phones ring six times before the fax comes on line.
Again, these calls are probably from fax machines that doesn't produce
CNG tones. When the ASD-4 doesn't hear CNG tones, it rings the TAD and
PHONE ports six times before routing the call to the FAX port. You must
transfer these calls to your fax manually. See Section 4.2.2.A.
5. My phones only get a chance to ring twice before the fax comes on line.
This is caused by the ASD-4's Automatic Ring Reduction feature: If a call
goes unanswered at the TAD and PHONE ports, the ASD-4 reduces the ring
count at those ports to two. (This is intended to allow non-CNG fax calls to
reach your fax when the ASD-4 is unattended.) You can reset the TAD and
PHONE ports' ring count by doing any of these things:
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6. Troubleshooting
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