LoDi-21MTC board.

Are you looking to convert older locos and add the latest technology?

Using the LoDi 21MTC circuit board, is not child's play. All solder connections are on the board. 

The characteristics of the LoDi-21MTC board

• Simple 21-pin MTC interface for all common 21-pin. Locomotive and sound decoder
• Space-saving design
• All poles routed to solder pads
• Regardless of track size or 2-, 3-wire system

Connection info NMRA color scheme:

• TR-R = Right Rail = Red
• TR-L = Left Rail = Black
• MOT 1 = Right Motor = Orange
• MOT 2 = left motor = grey
• LV = Front Light = White 
• LH = Rear Light = Amber
• U+ = Common + = Blue
• AUX1 = Switchable Channel 1 = Green
• AUX2 = Switchable Channel 2 = Purple
• LS- / LS+ = speaker = brown

Example connection diagram with locomotive. Front and rear light with light change can be switched on via AUX1 and AUX2.