Registered in England No. 08405712
VAT Registration No. GB163 04 0349
Siretta Ltd
Basingstoke Road
Spencers Wood
Reading
Berkshire RG7 1PW
sales
email
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+44(0)118 976 9000
www.siretta.com
47
ZETA-xxP Series
Hardware Manual
rev
D
Power Supply Installations
»
Use a high-quality power supply with short leads. This ensures that the voltages
at the connector pins are within the specified range, especially during the
maximum peak current of approximately 2A.
»
When the modem is powered from a battery or a high current supply, connect a
fast 1.25A fuse in line with the positive supply. This protects the power cabling
and modem from damage.
Network and subscription:
Before your application is used, you must ensure that
your chosen network provides the necessary telecommunication services. Contact
your service provider to obtain the necessary information.
»
If you intend to use SMS in the application, ensure this is included in your SIM
subscription.
»
Consider which network technologies are available in your region and the impact
this will have on device connectivity. 2G/GSM, 3G/UMTS, LTE Cat 1/4, LTE
Cat M and LTE Cat NBIoT all operate in different ways. As a result they all have
different advantages and disadvantages and as such may be suited to different
application types.
Securing the Modem
Before securing the modem please take into account the amount of additional space
required for the mating connectors and cables that will be used with the modem in
the application.
»
Where access is restricted, it may be easier to connect all the cables to the
modem prior to placing it in the application on the headers.
»
Securely attach the ZETA-xxP modem to the host application using 4 x M3 (3mm
diameter) pan-head screws.
»
Securely attach the ZETA-xxP modem using the optional ZETA Modem DIN Rail
Adapter mounting bracket (Datasheet available here).
