10 gsm modem connection, 1 safety precautions, Installation – Hach sc1000 User Manual

Page 47

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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

:

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.

Table 12 GSM modem requirements

Europe

USA/Canada

GSM 900 or EGSM 900
(EGSM 900 = GSM 900 with expanded
frequency range)

GSM 1800

GSM 1900

GSM 850

GSM 1800

GSM 1900

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