Multi-mode or single-mode, with SC or ST fiber connector Link Fault Pass-Through (LFPT) -40 to 75°C operating temperature range (-T models) DIP switches to select FDX/HDX/10/100/Auto/ForceEthernet Interface

10/100BaseT(X) Ports (RJ45 connector)	1
100BaseFX Ports (multi-mode SC connector)	IMC-21A-M-SC Series: 1
100BaseFX Ports (multi-mode ST connector)	IMC-21A-M-ST Series: 1
100BaseFX Ports (single-mode SC connector)	IMC-21A-S-SC Series: 1
Magnetic Isolation Protection	1.5 kV (built-in)

Power Parameters

Input Current	12to48 VDC, 265mA (Max.)
Input Voltage	12to48 VDC
Overload Current Protection	Supported
Power Connector	Terminal block
Reverse Polarity Protection	Supported

Physical Characteristics

Housing	Metal
IP Rating	IP30
Dimensions	30x125x79 mm(1.19x4.92x3.11 in)
Weight	170g(0.37 lb)
Installation	DIN-rail mounting

Environmental Limits

Operating Temperature	Standard Models: -10 to 60°C (14to 140°F) Wide Temp. Models: -40 to 75°C (-40 to 167°F)
Storage Temperature (package included)	-40 to 75°C (-40 to167°F)
Ambient Relative Humidity	5 to 95% (non-condensing)

MOXA IMC-21A-M-SC Available Models

Model Name	Operating Temp.	Fiber Module Type
IMC-21A-M-SC	-10 to 60°C	Multi-mode SC
IMC-21A-M-ST	-10 to 60°C	Multi-mode ST
IMC-21A-S-SC	-10 to 60°C	Single-mode SC
IMC-21A-M-SC-T	-40 to 75°C	Multi-mode SC
IMC-21A-M-ST-T	-40 to 75°C	Multi-mode ST
IMC-21A-S-SC-T	-40 to 75°C	Single-mode SC