Multitech Multimodem MTCBA-G-F1 User Manual page 48
External wireless modem (data/fax/voice)
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Also See for Multimodem MTCBA-G-F1:
- Reference manual (203 pages) ,
- User manual (29 pages) ,
- Quick start manual (17 pages)
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Troubleshooting
Solutions for "no carrier" message (cont'd)
If the
Then ask ...
modem
returns
no carrier
(esp. for
voice
communi-
cation)
Is the received
signal strong
enough?
Is the antenna
properly
connected?
Action
Be sure that the
semicolon character (";")
is typed immediately
after the phone number
in the AT command. E.g.,
ATD######;
type AT+CBST=0,0,3
Configure the SIM card
for data/fax calls.
See "
Signal Strength
page 38.
Verification,"
See "
Antenna
page 8.
Specifications,"
48
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