User Manual
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Panel Layout of IMC-21 Series 
1.
Heat dissipation orifices 
2. 
Terminal block for power input and 
grounding 
3.  DIP switch 
4.  Moxa Logo 
5.  Power input LED 
6.  100BaseFX (SC/ST connector) port
7.  FX port’s 100 Mbps LED 
8.  FX port’s FDX/COL LED 
9.  TP port’s 100 Mbps LED 
10.  10/100BaseT(X) port 
11.  TP port’s 10 Mbps LED 
12.  DIN-Rail kit 
NOTE: The IMC-21 series includes 
IMC-21-M-SC, IMC-21-M-ST, and 
IMC-21-S-SC. 










