Hach sc1000 GSM modem connection, Safety precautions, GSM modem requirements, Europe USA/Canada

Installation

3.10 GSM modem connection

The display module can optionally contain a built-in tri-band modem (Figure 7). The GSM modem connection allows fully remote operation of the sc1000 controller, including transfer of data and software updates. The GSM modem requires a SIM card, an external GSM antenna and must meet the requirements in Table 12:

Table 12 GSM modem requirements

Europe		USA/Canada
•	GSM 900 or EGSM 900	•	GSM 850
	(EGSM 900 = GSM 900 with expanded	•	GSM 1800
	frequency range)
		•	GSM 1900
•	GSM 1800
•	GSM 1900

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 precautions

The following safety precautions must be observed during all phases of the installation, operation, maintenance or repair of any cellular terminal or mobile phone incorporating MC55/56. The manufacturer assumes no liability for customer failure to comply with these precautions.

CAUTION

The GSM modem connection cannot be used in hazardous locations.

The manufacturer and its suppliers reject any express or indirect guarantee for the use with High Risk Activities.

In addition to the following safety considerations, obey all the regulations specific to the country in which the equipment is installed.

Important Note: Cellular terminals or mobile phones operate using radio signals and networks. These connections are not guaranteed at all times under all conditions. The cellular terminal or mobile phone must be switched on and in a service area with adequate signal strength.

Safety precautions for GSM modem installation

•This unit is to be installed by a trained technician employing proper installation practices for a Radio Frequency Transmitter, including proper grounding of any external antennas.

•Do not operate the device in hospitals and/or near medical instruments such as cardiac pacemakers or hearing aids.

•Do not operate the device near highly combustible areas such as gas stations, fuel depots, chemical plants and blasting works.

•Do not operate the equipment in the proximity of combustible gases, steams or dust.

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