25
26
9. ERROR
response to remote
configure AT@
command
10. Modem will not
respond to AT
commands
Remote Model 3022
has not been alerted to
respond to remote
commands
Remote Model 3022
has been disabled for
remote configuration
Remote Model 3022 is
not in Online Data
Mode
Model 3022 is not in
PassThru Mode
Modem is not in
command mode
Issue AT[D1 command
to local Model 3022
(this command will be
passed thru to remote
3022 and will cause it
to respond to remote
commands)
Issue AT[R1 command
to both local and
remote 3022 (avoid
changing the default
R1 setting so that the
unit may always be
configured remotely if
necessary)
Wait until remote 3022
times out or issue AT[O
to remote 3022.
Issue AT[Y0 to Model
3022
Consult modem
manual
SYMPTOM
POSSIBLE PROBLEM
SOLUTION
APPENDIX A
SPECIFICATIONS
Sub-Channels (Serial Devices)
Interface:
RJ-45, V.24/RS-232-C
Configuration:
DCE
Transmission:
Asynchronous, full duplex
Baud Rate:
110, 300, 1200, 2400, 4800, 9600, 19200,
38400 bps, selectable or auto detected
Word Size:
7 or 8 data bits
Parity:
Odd, even, mark, space, or none
Stop Bits:
1 or 2
Flow Control:
Hardware (RTS/CTS), software (XON/XOFF)
Main Channel (Modem)
Interface:
DB-25 male, DTE, V.24/RS-232-C
Transmission:
Asynchronous, full duplex
Baud Rate:
1200, 2400, 4800, 9600, 19200, 38400 bps
selectable
Flow Control:
RTS/CTS or no flow control
Environmental
Temp Range:
0 - 70ºC (32 - 158ºF)
Altitude:
0 - 15,000 Feet
Humidity:
up to 95% (non-condensing)
Dimensions:
2.7” x 2.1” x 7.4” (69mm x 53mm x 19mm)
Weight:
0.10 lb (0.045 Kg)
