User manual

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antenna, with an average gain >-5dBi, if using the GPS functionality. If both RX diversity and GPS are required, install a
Cellular/GPS combo antenna.
This device is configured with default settings and is ready to be configured via HTML. Some configurations may be set
using AT commands.
1.9 POWER CABLE PINOUT
Depending on the version of Vanguard ordered there are two possible power cables. The mobile version ships with a 22FT
power cable that requires a fuse (included). The fixed version ships with a 6 ft cable that does not require a fuse.
Regardless of the cable length, the pinout is the same though the wire colors differ slightly.
Pin
Signal
Color Mobile
Color Fixed
1
VIN/VBatt
Red
Red
2
Ground
Blue
Black
3
Ignition Sense
White
White
4
No Connect
NA
NA
When installed for a fixed application or if the Ignition sense line is not required in a mobile application, the ignition sense
line should be shorted to Vin/Vbattery.
1.10 RS-232 SERIAL PORT INTEGRATION PARAMETERS
Table 6 provides the serial cable design information to integrate the Vanguard SC modem into your system. Table 7 gives
the default RS-232 communication parameters.
Table 6 - Standard RS-232 DE-9 Pin out
Pin
Name
Direction
Description
1
CD
←
Carrier Detect
2
RX
←
Receive Daa
3
TX
→
Transmit Data
4
DTR
→
Data Terminal Ready
5
GND
System Ground
6
DSR
←
Data Set Ready
7
RTS
→
Request to Send
8
CTS
←
Clear to Send
9
RI
←
Ring Indicator
Note: Direction is DTE relative DCE
Table 7 - Default RS-232 Communication Parameters
Bits Per Second
115,200
Data Bits
8
Parity
None
Stop Bits
1
Flow Control
None
Figure 9: DE-9 Connectors