Troubleshooting 12-15
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Writer: Jennifer Hale Saved by: Jennifer Hale Saved date: 10/07/98 5:31 PM
Part Number: 3877292-001 File name: Ch12.doc
Solving Modem Problems
Continued
Problem Possible Cause Solution
Modem does
not connect at
highest speed.
Line conditions in your
area or in the area you
are calling may not
support the highest
connect speeds.
Have your telephone line
checked by your local
telephone service provider.
Try dialing an alternate
telephone number for the
service you are using.
Another device on your
telephone line may be
causing interference.
Hang up an extension
telephone and disconnect
any other devices that may
be using the same telephone
line, then redial.
The service or site
called does not support
56K or supports an
incompatible 56K
implementation.
An internal modem supports
K56flex.
To find an Internet service
provider (ISP) that supports
K56flex, go the Compaq
Internet site at
www.compaq.com.
There is noise on the
telephone line.
The 56K protocol of an
internal modem will fall back
to lower speeds if the
telephone line is too noisy
for a high-speed connection.
Try using another telephone
line.
Change the Hang-up Delay S
Register:
1. Select StartÆ Programs
ÆAccessoriesÆ
HyperTerminal.
2. Go to Command Mode,
type ATS10=150, then
press Enter.
NOTE: This command causes
the modem to take longer to
disconnect even if there is
no noise on the line.
The telephone line
does not support 56K
implementation.
The 56K protocol requires
that the telephone line
contain no more than one
analog-to-digital conversion.
Try connecting from an
alternate site.
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