PROTEXT - GSM R
EMOTE
C
ONTROL
SIM card
The unit will accept SIM cards of most types subject to the following restrictions.
1. Only 3 Volt SIM cards will be correctly read and older 5 Volt types will be ignored.
2. The message memory of the SIM card should be clear before it is fitted to the
PROTEXT unit.
3. SIM cards that have been protected by means of a PIN (in a mobile phone) will
unit.
not operate in the unit
4. Some types of pay-as-you-go SIM cards may require regular call activity (once
every six months) to remain registered.
5. It is recommended to bar Incoming voice calls to the SIM card before it is used in
the PROTEXT unit to avoid any error messages being sent back to the user. This
can be achieved by calling the service provider.
The SIM card should be inserted into PROTEXT before applying power
testing
RF Solutions recommends O2 and Videophone SIM card and has carried out extensive testing using
the SIM cards we have for these two networks.
Problems have been identified with Orange SIM cards with this product.
No guarantee can be given for the operation of this product with any network except those that have
Solutions.
been tested by RF Solutions.
Power Connections
The PROTEXT unit can be powered from 12 or 24Vdc, a mains power supply is also available.
Power is connected via the Power Screw Terminal
Input Connections and Output Relays
The four inputs are provided via screw terminals
0V/IN1
0V/IN2
0V/IN3
0V/IN4
These are volt-free digital inputs are designed to be actuated by contact ‘switch’ closures
across the input pins.
Two relay outputs are provided on PROTEXT and PROTEXT-DIN, which provide a ‘switch’ output as
below.
User Inputs
Relay Outputs
0V
IN2
0V
CH1
CH2
DS-PROTEXT-9
IN1
NC
CO M
NO
NC
CO M
NO
Users
Switch
contacts
©
2009 REG No 277 4001, ENGLAND.
Relay Connections when
Transmitter NOT Operating
Relay Connections when
Transmitter OPERATING
Page 5
RFSOLUTIONS [ RFSOLUTIONS.LTD ]
