Connecting The Device And Switching On The Device - Siemens SINAUT MD720-3 System Manual

Gprs/gsm-modem
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Connecting the device and switching on
the device
Connectors and LEDs
figure 3-1
Antenna
The antenna connector – SMA socket - is situated on the upper part of the front.
Impedance: approx. 50 Ohm
Caution
Please use only antennas of the SINAUT MD720-3 accessory program. Other
antennas may disturb the product characteristics and may even cause defects.
SINAUT MD720-3
C79000-G8976-C211
1
-
Connectors for supply voltage
24 V DC voltage (nominal)
2
-
Antenna
3
-
LEDs:
S (Status)
Q (Quality)
C (Connect)
4
-
X1 (RS232)
For connection of the application
OR
or the service PC
3
19

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