Electrical Connections - Siemens CP 1242-7 GPRS V2 Operating Instructions Manual

3.3

Electrical connections

Power supply
The 3-pin socket for the external 24 V DC power supply is located on the top of the module.
The matching plug ships with the product.
You will find the pin assignment of the socket in section Pin assignment of the socket for the
external power supply (Page 34).
Figure 3-2
Wireless interface for the GSM network
An extra antenna is required for GPRS communication in the GSM network. This is
connected via the SMA socket of the CP. The SMA socket is located behind the lower front
cover of the CP.
You will find a suitable antenna for indoor and outdoor use in the section Accessories
(Page 63).
More detailed information on the electrical connections
For technical information on the electrical connections, refer to the section Technical
specifications (Page 53).
CP 1242-7 V2
Operating Instructions, 05/2014, C79000-G8976-C311-00
Socket for the 24 V DC power supply
LEDs and connectors
3.3 Electrical connections
25