Cessna 172RG Trans Cal Industries Altitude Encoder Model: SSD120-RS232C-S (26575)

Vendor: Cessna

Cessna 172RG Trans Cal Industries Altitude Encoder

Model: SSD120-RS232C-S 

Serial Number: SRS-3104

14 or 28 VDC. 

The connectors are attached to the encoder. 

As removed from a 1980 Cessna 172RG. 

Used, not tested, sold as-is.