ET107 Weather Station
35
5.6.3.2 External Installation of Short Haul Modem
FIGURE 5-26. Short-haul modem wiring diagram
Components of the short haul kit used for external connections at the ET107
enclosure are:
(1) 20 ft 4-Wire Patch Cable
(2) 2 Direct Burial Splice Kits
(1) Length of User Supplied Wire (Supplier: Anixter, pn F-02P22BPN,
Phone 847-677-2600)
Components of the short haul kit used for external connections at the computer
are:
(1) Rad Modem
(1) 5 ft 4-wire Patch Cable
(1) 10 ft 14 AWG Ground Wire
(1) Surge Protector and Case
(1) 9-25 Pin RS-232 Serial Cable
Use the following procedure to install the short haul modems (FIGURE
1.
Connect the 20-foot patch cable to the
COM
connector on the back side of
the enclosure. Splice the patch cable to the user-supplied cable, using the
direct burial splice kits.
