Phone Modem
Phone modem at the central computer.
Dedicated single twisted pair with shield phone line to the weather station valve/junction box
(
(p. 8)).
Short-Haul Modem
Direct burial cable with a minimum of two-twisted pairs with shield (minimum five conductors
total) to travel from the weather station to the central computer junction box. Direct burial
armored cable may be required for rocky soils or rodents (Anixter pn F-02P22BPN (phone 847-
677-2600)) or equivalent type cable (
(p. 8)).
Radio
Antenna for the T107 station (Yagi antenna recommended). PS24 Power Supply and mounting
kit with hangar if not using AC power (
PS24 24 Ah power supply with 10 x 12 inch enclosure
83)).
Section 4. QuickStart
9