User Manual

AirLink Pro T1/E1 Rack Mount Installer’s Guide
Configuration
Rev. B - 1/97
3-25
4. Configure the modem for error correction, if the modem is so equipped
(newer modems). This is generally the factory default, but can be invoked
by typing AT&Q5<RETURN> on Hayes compatible modems, or
AT&M4<RETURN> on US Robotics modems.
5. Set the number of rings you want the modem to answer on, by typing
ATS0=X<RETURN> where x is a digit from 1 to 9 (the number of rings), or
0 (zero) for no answer.
6. Save the new configuration in the modem’s non-volatile memory by typing
AT&W<RETURN>.
7. Cycle power on the modem.
Connecting the Modem
Connect the modem at the AirLink Pro T1/E1 Rack Mount end as follows:
1. Configure the AirLink Pro T1/E1 modem port speed by issuing the
following command at the Terminal port SET MODEM RATE XXXX
<RETURN> where XXXX is the speed in bits per second, for instance 1200,
2400, 4800, or 9600.
2. Connect the unit’s modem port to the modem using a standard EIA/TIA-232
modem cable, with a 9-pin male DB-9 connector at the unit end and an
appropriate connector (typically male DB-25) at the modem end.
3. Connect the modem’s phone port to the phone line using an appropriate
cable (usually supplied with the modem).
Connecting the Modem to the Remote Terminal
Connect the modem to the remote terminal as follows:
1. Connect the terminal’s modem port to the modem using a standard
EIA/TIA-232 modem cable.
2. Connect the modem’s phone port to the phone line using an appropriate
cable (usually supplied with the modem).