Manuals for the Sage Digital ENDEC model 3644
Quick Start Guide 2.0 - pdf
User's Guide and Reference Manual - pdf

Manuals for peripherals
Multi-Station Relay Panel (RP-2) - pdf
RC-1 ENDEC Remote Control - pdf
Sage EAS-AES Converter/Switch - pdf
Sage ENDEC Receiver Operation Manual - pdf
Sage ENDEC Receiver Service Manual - pdf

Manuals for the Sage EAS ENDEC (Original ENDEC model 1822)
ENDEC User's Guide (6.1) - pdf
Version 6.1 Update Summary - pdf
ROM Update 5.x to 6.2 - pdf
ROM Update 6.1 to 6.2 - pdf

Connectors
Removable Connectors- pdf