UT10 Weather Station3.3.1 CFM100, NL115, or NL120Connect a CFM100, NL115, or NL120 module to the peripheral port of aCR1000 or CR3000 datalogger (see FIGURE 3-7). One CompactFlash cardfits in the CFM100 or NL115’s card slot. For the NL115 or NL120, Ethernetcommunications is supported by connecting a 10baseT Ethernet cable.3.3.2 COM220 Phone ModemsA phone modem enables communication between the datalogger and the computer(with a Hayes compatible phone modem) over a dedicated telephone line.Mount the modem to the enclosure backplate as shown in FIGURE 3-8.1. Mount the modem to the backplate using the four screws and nylongrommets provided.2. Connect the modem to the datalogger’s I/O port with the SC12 cableprovided.3. The telephone company generally provides surge protection, and a patchcord that plugs into the RJ11C jack. If surge protection has not beenprovided, the Model 6362 Surge Protector Kit can be installed to theenclosure backplate. Connect the two terminals on the surge protector tothe “tip” and “ring” terminals on the modem as shown in FIGURE 3-8.FIGURE 3-7. The NL115 connects to the CR1000’s peripheral portallowing data to be stored on removable Compact Flash cards.21