Audio connections on the Rednet 1 & 2

The analogue line-level inputs and outputs on the Rednet 1 & 2 are made via back panel mounted 25-pin D connectors. The pin connections used follow the AES59 "DigitalCombined I/O" convention which can be found here.

Rednet 1 Rear Panel:

Rednet 2 Rear Panel: