
22
Railsounds Commander Connector Pin Designations
The Electric Railroad Company
Railsounds Commander
RS/SS Switch
AC Hot
Serial Data
AC Common
B
Battery -
S
Volume Pot
5VDC
Trigger
DC Common
DC Common
Speaker -
Connector Pin Description
AC Hot
- 3
rd
rail (pickup roller) power connection
AC Common
- Outer rails power connection
Serial Data
- Railsounds serial data input
B
- 9 Volt battery positive terminal
Battery -
- 9 Volt battery negative terminal (DC Common)
DC Common
- Optional Railsounds/Signalsounds switch return connection
NO SND
- Optional Railsounds/Signalsounds switch connection
Speaker -
- Speaker (-) connection
S
- Speaker (+) connection
5 VDC
- 5 Volts DC (not used)
Trigger
- Chuff trigger switch connection
DC Common
- Chuff trigger switch return connection
Brush 1
- Motor sense (VCO) input (Diesels)
Brush 2
- Motor sense (VCO) input (Diesels)
CAUTION
– Railsounds Commander has both an AC Common and a separate
DC Common. Connecting DC Common to AC Common will result in a
destroyed Railsounds Commander.