Motorola 3460 ユーザーズマニュアル
3460 Fast’R
5-9
LEASED-LINE OPERATION
Modem won’t
connect
connect
Determine whether
modems are assigned
to answer and
originate.
modems are assigned
to answer and
originate.
Ensure one modem is set to
answer (AT
answer (AT
*
CA1) and one to
originate (AT
*
CA0).
Run an LAL pattern
test (AT&T8) on both
modems.
test (AT&T8) on both
modems.
• If errors are found on either
end, contact Motorola
customer service.
customer service.
• If the modem passes the test,
you may have line problems;
contact your telephone
company.
contact your telephone
company.
Check the modulation
configuration:
configuration:
• Mode (AT
*
MM)
• Max Rate (AT
*
MX)
• Min Rate (AT
*
MN)
Ensure that the local and remote
modem modulation modes are
compatible.
modem modulation modes are
compatible.
Check local and remote
leased line transmit
level (AT
leased line transmit
level (AT
*
LX).
• USA: if operating on a leased
line, set to 0 (AT
*
LX0)
• If the transmit level is
adjustable in your country, and
the modems are running back-
to-back, adjust it to
approximately -15 dB
(AT
the modems are running back-
to-back, adjust it to
approximately -15 dB
(AT
*
LX15)
Table 5-1. Troubleshooting the 3460 Fast’R Modem
Problem
Diagnosis/Test
Possible Solution