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4 Communicating with the Recorder
D03283R01.10 TESLA LITE User Manual 4-11
4.7 Modem Link
External Modem
Figure 4.8: Modem Link - External
Using an external modem, you can also access the recorders’s user interface
through a telephone link between the recorder and your computer.
Recorder Setup
1. Connect a PC-compatible external serial modem to Port 405 on the rear of
the recorder.
• The cable between the recorder and the modem requires a crossover and
a gender change as both devices are configured as RS-232 DCE ports.
• You can use the ERLPhase Modem Port Adapter (part # 101629) to
make the recorder’s Port 405 appear as a DTE (like a PC serial port). A
standard modem cable can then be used to connect to the recorder.
• For port pin-out and cabling information see “Communication Port De-
tails” on page 4-20.
• If the unit has an internal modem, an external modem will not work.
2. Connect the modem to an analog telephone line or switch and turn it on.
• A standard telephone cable with an RJ-11 connector is used.
3. Configure the recorder’s Port 405 to work with the modem.
• Port 405 settings are accessed through the recorder’s standard user in-
terface.
a. Establish a network or a USB connection between your computer
and Port 401 or 450 on the recorder, run TESLA Control Panel soft-
ware and initiate a connection to the unit.
b. When connected, select Utilities in the Main Menu list, and go to the
Communication tab to access the Port 405’s settings.
Your PC must be appropriately configured for modem communica-
tion (see “TESLA Control Panel Installation” on page 3-1).
External
Modem
Telephone
System
Desktop Computer
Analog
Telephone
Line
Port 405 - Direct/Modem
Analog
Telephone
Line