3. Attach the other end of the cable to the BNC RF bulkhead connector in the lower rightcorner of the enclosure. Make sure all connections are tight (FIGURE 6-39 (p. 56)).4. Use the ribbon cable to connect the CS I/O port on the NL241 to the CS I/O 9-pin port onthe ET107 (FIGURE 6-39 (p. 56)).6.7.6.4 External installation of the Wi-Fi modemThe 2.4 GHz/5.8 dBd Omnidirectional Wi-Fi Antenna should have been ordered with the kit.To mount the antenna onto the ET107 pole, the Wi-Fi accessory kit contains the followinghardware:(1) antenna cable, 150 cm (59 in)(1) adjustable angle antenna mounting bracket(1) 8-450 x 53 mm (5/16-18 x 2 1/4 in) stainless steel U-bolt(1) CM230 saddle bracket(4) silicon bronze 8-450 mm (5/16-18 in) nuts(4) 8 mm (5/16 in) stainless steel washers(4) 8 mm (5/16 in) stainless steel lock washers(4) black UV-resistant wire ties1. Fasten the mounting hardware onto the ET107 pole by following steps 1 through 8 inExternal installation of the radio (p. 45).2. Slide the back of the antenna into the saddle bracket and tighten its nuts to hold theantenna firmly in place.CAUTION:Do NOT over tighten the nuts on the saddle bracket or damage to the antenna mayoccur.3. Adjust the antenna cable at the BNC connector so the cable cover fits over all the sensorcables as well as the antenna cable. You may have to gently bend the antenna cable to puta 90° bend by the BNC connector end of the cable. Take the cover off when you’re done.4. Use one of the black wire ties to strap the antenna cable to the bundle of sensor cables.5. Tighten the wire ties holding the antenna cable to the wire tie mount at the top of theenclosure.Section 6. Installation 57
