DM-0105
Description
Driver for Leica MX 9400N receiver.
Driver to be used to obtain raw GPS pseudo-ranges and GPS broadcast data in compressed measurement format.
The same driver can also be used to decode (computed or predicted) positions, output by the Leica MX 9400N receiver in proprietary NMEA sentence format.
Driver Information
Driver | Leica MX 9400 (Passive Raw Data) | Interface Type | Serial | Driver Class Type | Terminated <LF> |
---|---|---|---|---|---|
UTC Driver ![]() | No | Input / Output | Input/Output | Executable | DrvMagnavox.exe |
Related Systems | |||||
Related Pages |
System Configuration
Raw data output
The Leica MX 9400N receiver can be configured for raw data output using the "CDU" program as follows.
Receiver Port Config:
Set the interface parameters for the receiver. QPS advises 19200 or as high as possible, 8, N, 1 for port 1 (CDU port).
Receiver Port Assign:
Control port = 1, Raw Data port = 1, RTCM port = 3, Equipment port = None.
Receiver Raw Data Control:
Nav Results = Off
Raw Measurements = Compressed Type 3
Almanac / Ephemerides = Yes
Constellation = No
Differential = Off
External Event = 0000
Beacon Receiver = No
Time Recovery = No
Full Debug = No
Partial Debug = 0000
Position output
The Leica MX 9400N receiver can be configured for position output using the "CDU" program as follows.
Receiver Port Config:
Set the interface parameters for the receiver. QPS advises 19200 or as high as possible, 8, N, 1 for port 1 (CDU port) and port 2.
Receiver Port Assign:
Control port = 1, Raw Data port = 1, RTCM port = 3, Equipment port = 2.
NMEA Message Control: Port = Equipment
Message ID = 021 (Computed Position)
Interval = 1 sec
Select Add To List, press Enter.
NMEA computed positions are now output to port 2.
Interfacing Notes
The cable between the Leica multiport interface cable CDU port 1 and the PC serial COM port must be:
DB-25 | CDU Port | DB-9 | COM | DB-25 | COM | ||
---|---|---|---|---|---|---|---|
Pin 3 | TXD | ----------------- | Pin 2 | RXD | Pin 3 | RXD | |
Pin 7 | SG | ----------------- | Pin 5 | SG | Pin 7 | SG |
Alternatively the PC serial COM port can be connected directly to the multiport interface connector:
DB-25 | MultiPort | DB-9 | COM | DB-25 | COM | ||
---|---|---|---|---|---|---|---|
Pin 11 | TXD | ----------------- | Pin 2 | RXD | Pin 3 | RXD | |
Pin 24 | SG | ----------------- | Pin 5 | SG | Pin 7 | SG |
Drivers IO Notes
Required command line parameters for using DrvMagnavox for these receiver options are "RAW 9400".