7
Antenna
Antenna Connector MMCX Female
Antenna Impedance 50 Ohms unbalanced
Approved Antennas Integral wire antenna (factory installed)
Astron AXQ9PRLMMCX – 1/4 wave flexible whip
Astron AXH900 RP SMAR – 1/2 wave flexible whip, SMA
Serial Port Scanning
The Scan Function is provided to assist the user when they are unsure which
communication port the MDR210A-485 is attached to or what baud rate it has been set
to. The Scan Function will attempt to communicate with the MDR210A-485 over every
port installed on the PC at every allowed baud rate. While this is not a fast process, it
does allow the recovery of a device whose configuration is unknown. If the Scan
Function is unable to determine the port which the MDR210A-485 is attached to, the user
will be notified. The user should then ensure that no other application has the
communication port in use before re-attempting the Scan.
Application Fields
COM Port
- Specifies which PC communication port the MDR210A-485 to be
configured is attached.
Scan
- The scan function iterates each available PC communication port looking for an
attached MDR210A-485. If an MDR210A-485 is found, its COM Port and current Baud
Rate values are provided.
Network ID
- All communicating MDR210A-485s must be programmed to the same
Network ID. The valid values are from hexadecimal 1 to FFF.
Hop Table
- All communicating MDR210A-485s must be programmed to the same Hop
Table. The valid values are 0 to 6. Independent networks in the same vicinity should use
different Hop Tables to minimize packet collisions.
Baud Rate
- This is the desired communication Baud Rate between the host and the
MDR210A-485.
Setup
- Send the currently selected values to the MDR210A-485 attached to the specified
communication port.
Close
- Exits the Application.
Networks
There are seven available
networks (Hop Tables)
. Each network utilizes a different
pseudo-random hopping sequence to navigate through the shared hopping channels. In
the event that two modules from different networks collide on a channel (because they
