Vanguard 3000 Multicarrier Cellular Data Modem & IP Router PN 134732-VG3000 Rev. D| Page 60
Serial Port Configuration
Electrical Interface
Sets the serial port to use either RS-232 or RS-485. RS-485 is a balanced electrical interface suited for multi-
drop applications, such as communication over long cable distances or in noisy environments. When RS-485 is
selected, the Flow Control option becomes unavailable.
Power Selection
Select voltage present on pin 9 of the COM 1 DB-9 serial connector. This voltage can be used to power any
serial devices connected to COM 1.
Baud
Select the serial port baud.
Data Bits
Select the number of data bits per character: 5, 6, 7, or 8.
Stop Bits
Select the number of stop bits per character: 1 or 2.
Parity
Select the type of parity per character: None, Even or Odd.
Flow Control
Select the type of flow control: None, or Hardware (RTS/CTS).
DSR
Select how the DSR handshake line should be handled: Always On, On When Connected, On When Available,
or Always Off.
DCD
Select how the DCD handshake line should be handled: Always On, On When Connected, or Always Off.
GPS Configuration
Select GPS to enable GPS reports through the serial port. Note that the report format is set in the GPS > Settings tab.
Set the appropriate TCP Server Format in the Local and/or Remote Delivery sections.
Report Trigger
-
On Loss of Cellular Signal: Select this if the GPS reports are output only when the cellular signal is lost.
Note that there can be a delay of around 30 seconds before the serial reports appear on the serial port
after the cellular signal is lost.
-
Always: GPS reports are always sent out the serial port.
Reports
-
Local (1/sec): Select this to have the Local report sent out the serial port each second.
