Campbell ET107 Product Manual

Also see for ET107: Instruction manual Product manual

Contents

Campbell ET107 Product Manual Manual pdf 54 page image

(2) Direct burial splice kits(1) 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) 1.5 m (5 ft) 4-wire patch cable(1) 3 m (10 ft) 14 AWG ground wire(1) Surge protector and case(1) 9-25 pin RS-232 serial cableUse the following procedure to install the short haul modems (FIGURE 6-25 (p. 41)).1. Connect the 6 m (20 ft) patch cable to the COM connector on the back side of theenclosure. Splice the patch cable to the user-supplied cable, using the direct burial splicekits.NOTE:The splice and wire nut must be completely immersed into the silicone gel inside thesplice tube to be waterproof.2. Mount the surge protector box to a flat surface within 1.5 m (5 ft) of the serial port on thecomputer. Ground the centre terminal to an earth (or building) ground using the 14 AWGwire.3. Connect the 1.5 m (5 ft) patch cable from the surge box to the Rad Modem. Fasten thecable to the strain relief tab with a cable tie. Use the 9-to-25 pin serial cable to connect themodem to the serial port on the computer.4. Route the user-supplied cable from the remote splice to the surge protector. Connect itand the 1.5 m (5 ft) patch cable to the surge protector.6.7.4 RadioRadios enable wireless communication between a data logger and computer. Maximum range is0.8 to 21 km (0.5 to 13 miles). This is determined by radio model, antennas used, line of site, andinterference. This section provides instructions for RF407, RF412, RF422, RF451 and most radiosoffered by Campbell Scientific.NOTE:AC power is recommended when using radios with the station. A 10-watt solar panel can beused but days without sunlight and winter months with little sunlight should be considered.Section 6. Installation 42