User manual
tams elektronik
English Adapter for PluX22-, 21MTC- and SUSI-Interface
7.2. Assignment for 21MTC adapters (NEM 660/RCN-121)
In  order to avoid  damage due to  a  connection of  the decoder  with
reversed polarity, you sould remove the index pin (pin 11) at the 22-
pole plug connector. You can withdraw the pin with small pliers. 
MTC adapter
Mounting version 1 (a and b)
Socket terminal strip of the 
decoder on top
Mounting version 2 (a and b)
Socket terminal strip of the 
decoder at the bottom
Figure: Top side of the adapter PCB
Assignment for use according to 21MTC (NEM 660 / RCN-121)
11 = Index-Pin
Pin Name Description MTC adapter Cable colour
1 Input1  sensor input 1   
2 Input2 sensor input 2   
3 AUX6  output 6  
4 AUX4  output 4  
5 ZBCLK  pulse generator train bus   
6 ZBDTA  data train bus (TxD, RxD)   
7 F0r  lighting forward direction yellow
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