2 phone modem, Phone modem, Shown) – Campbell Scientific ET107 Evapotranspiration Monitoring Station User Manual
Page 45
ET107 Weather Station
FIGURE 2-26. Close-up of the terminals and 9-pin ports in the ET107
(battery not shown)
2.5.2 Phone Modem
Phone modems enable communications between the ET Enclosure and a Hayes
compatible modem at your PC over a dedicated phone line. Phone line surge
protection is built into the ET Enclosure. By default, the COM220 phone
modem is configured for SDC7.
Connects with
phone modem’s
RJ-11 patch cord
Connects with a
phone modem, Rad
modem, or RF450
radio via the 10588
ribbon cable
Connects with the
Rad modem’s 4-wire
patch cable
Connects with a
laptop via an RS-232
serial cable or a
cellular modem via
the 18663 Null
Modem Cable
35
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