20
Device Description
WAGO-TO-PASS® 761
761-510 GPRS Modem, RS-232
Manual
Version 1.0.2
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3.4
Connectors
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3.4.1
Antenna
The screw connector (SMA plug) for the GSM antenna is located at the top of the
housing.
Figure 2: Antenna connection
Antenna
When mounting outdoors, the antenna must be grounded for lightening protection.
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3.4.2
RS-232
COM
(RS-232)
1
2
3
4
5
9876
Figure 3: RS-232 connection
The RS-232 interface can be used for the following functions:
Data transmission:
Connect the RS-232 interface of the
TO-PASS
®
modem GPRS RS-232 to the
application, e.g., controller, machine, computer, etc.
Use an RS-232 cable.
If your application has different interface, e.g., CAN, PPI or another industrial
bus, a commercially available interface converter can be interconnected.
Configuration and service:
Use an RS-232 cable to connect the RS-232 interface of the
TO-PASS
®
modem
GPRS RS-232 to the PC that you want to use for configuration and service
purposes.
Use the PC's serial interface (COM port).