Lynx NGT-9000s
Installation Manual
A.2.5.2 RS-232 Altitude Data
The RS-232Altitude Data interface is optional. Only one altimeter input source (gray code, ARINC-429
or RS-232) should be connected.
1. When the Trimble/Garmin/Icarus protocol option is used, the following characteristics are set:
• Requires Altitude Encoder and Control Panel interface
• Baud rate is set to 9600 bps
• Data bits 8
• Parity none
2. When the Northstar protocol option is used, the following characteristics are set:
• Requires Altitude Encoder and Control Panel interface
• Baud rate is set to 2400 bps
• Data bits 8
• Parity none
3. When the UPS AT protocol option is used, the following characteristics are set:
• Requires Altitude Encoder and Control Panel interface
• Baud rate is set to 1200 bps
• Data bits 8
• Parity none
4. When the UPS AT Loran 618 protocol option is used, the following characteristics are set:
• Requires Altitude Encoder and Control Panel interface
• Baud rate is set to 1200 bps
• Data bits 7
• Parity odd
5. When the MAGELLAN protocol option is used, the following characteristics are set:
• Requires Altitude Encoder and Control Panel interface
• Baud rate is set to 1200 bps
• Data bits 8
• Parity even
6. When the SHADIN protocol option is used, the following characteristics are set:
• Requires Altitude Encoder and Control Panel interface
• Baud rate is set to 9600 bps
• Data bits 8
• Parity odd
7. When the ARNAV protocol option is used, the following characteristics are set:
• Requires Altitude Encoder interface
• Baud rate is set to 9600 bps
• Data bits 8
• Parity odd
A.2.6 RS-422 Interface
The RS-422 is a serial interface used to output weather data to a compatible display.
0040-17001-01 Appendix A Page A-3
Revision A January 15, 2015