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COM Port
Selects COM Port number (1- 32) for Primary and Secondary COM Ports. Default is COM1.
Baud Rate
Selects the communication speed for Primary and Secondary COM Ports. Default is 57600 bps.
Data Bits
Selects number of data bits (7 or 8) transmitted or received for the Primary and Secondary COM Ports. Default is 8.
Parity
Selects transmission or reception of any Parity bits for the Primary and Secondary COM Ports. Default is None.
Stop Bits
Selects number of Stop Bits (1 or 2) transmitted or received for the Primary and Secondary COM Ports. Default is 1.
DTR Enable
Used to assert DTR (Data Terminal Ready) line of the RS-232 Port when the port is open for the Primary and Secondary
COM Ports. Default is NO.
Swap COM Ports
Clicking the Swap Com Ports button moves the Secondary COM Port settings to the Primary COM Port (and moves the
Primary COM Port to the Secondary settings). Since Guardian programming is done through the Primary COM Port, this
is useful when two units are connected to the Primary and Secondary COM Ports. A Swap COM Ports allows the second
unit to be programmed without switching programming cables.
5.3.1 PRIMARY AND SECONDARY PORT SETTINGS COMMUNICATIONS MODES
The Mode menu located near the bottom of the Port Settings window (see Figure 14) configures the communications
mode for the Primary and Secondary PC Port. See the following table for Communication Mode configurations.
Table 15 Communication Modes
Mode
Sync/ESC with No HS
Buffered with No HS
Sync/Esc with RTS/CTS HS
Buffered with RTS/CTS HS
Sync/Esc with Flow Control HS
Buffered with Flow Control HS
Description
Sends data using Sync/byte-stuffing protocol without handshaking.
Sends buffered data without handshaking (this mode required for DOX
operation.) This is the Default.
Sends data using the Sync/Esc byte-stuffing protocol with RTS/CTS
hardware handshaking.
Sends buffered data with RTS/CTS hardware handshaking.
Sends data using the Sync/Esc byte-stuffing protocol with flow control
handshaking.
Sends buffered data with flow control hardware handshaking.
Guardian™ Serial Modem or Analog Radio for Licensed Spectrum PN 001-5006-000 Rev. 3
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