45Installation3.10 GSM modem connectionThe display module can optionally contain a built-in tri-band modem (Figure 7). The GSMmodem connection allows fully remote operation of the sc1000 controller, includingtransfer of data and software updates. The GSM modem requires a SIM card, an externalGSM antenna and must meet the requirements in Table 12:The main modem features are:• Maintain the sc1000 controller and sc1000 network• Set up logging• Download logged data• Send out errors and warnings as a short message (SMS)For GSM modem connection information, refer to section 5.13.3 on page 68.3.10.1 Safety precautionsThe following safety precautions must be observed during all phases of the installation,operation, maintenance or repair of any cellular terminal or mobile phone incorporatingMC55/56. The manufacturer assumes no liability for customer failure to comply withthese precautions.CAUTIONThe GSM modem connection cannot be used in hazardous locations.The manufacturer and its suppliers reject any express or indirect guarantee for the usewith High Risk Activities.In addition to the following safety considerations, obey all the regulations specific to thecountry in which the equipment is installed.Important Note: Cellular terminals or mobile phones operate using radio signals andnetworks. These connections are not guaranteed at all times under all conditions. Thecellular terminal or mobile phone must be switched on and in a service area with adequatesignal strength.Safety precautions for GSM modem installation• This unit is to be installed by a trained technician employing proper installationpractices for a Radio Frequency Transmitter, including proper grounding of anyexternal antennas.• Do not operate the device in hospitals and/or near medical instruments such ascardiac pacemakers or hearing aids.• Do not operate the device near highly combustible areas such as gas stations, fueldepots, chemical plants and blasting works.• Do not operate the equipment in the proximity of combustible gases, steams or dust.Table 12 GSM modem requirementsEurope USA/Canada• GSM 900 or EGSM 900(EGSM 900 = GSM 900 with expandedfrequency range)• GSM 1800• GSM 1900• GSM 850• GSM 1800• GSM 1900
