Garmin MX20 Installation Manual - B.1   Position Source

Equipment Compatibility 

MX20 Installation Manual 

 B-1 

APPENDIX B - Equipment Compatibility 

B.1   Position Source 

The following position sources are compatible with the MX20. Other Position sources may be used 

provided they meet the serial specifications defined in section A.1  .  

Manufacturer Model  Data 

Format 

Notes 

Bendix/King 

KLN 90B TSO 

RS-232 

Garmin 

GNC 250 XL, 

GNC 430/530 

RS-232 

Garmin AT 

GX50/55/60/65 

RS-232 

Garmin AT 

CNX80, GNS 480 

RS-232 

Garmin AT 

SL50/60 

RS-232 

Northstar Avionics  M3 GPS Approach  RS-232 

B.2   Nav Source 

The following Nav sources are compatible with the MX20.  

Manufacturer Model Data 

Format 

Notes 

Garmin AT 

SL30 

RS-232 

Garmin AT 

CNX-Series (or GNS 480) 

RS-232 

B.3   Altitude Source 

The following Altitude sources are compatible with the MX20. Other Altitude sources may be used 

provided they meet the serial specifications defined in section A.4  .  

Manufacturer Model  Data 

Format 

Notes 

Garmin AT 

SL70 

RS-232 

Garmin AT 

CNX-Series 

RS-232 

or GNS 480

Garmin AT 

GX50/55/60/65 

RS-232 

With extended data enabled 

Icarus U3000 

RS-232 

Sandia Aerospace 

SAE5-35 

RS-232 

Trans-Cal SSD120-(XX(x)-

RS-232-(XX) 

RS-232