
EM-1220 Hardware User’s Manual Introduction
LED Signals
Signals reserved for the following LED connections:
System: Ready ×
1
LAN: 10M/Link ×
2, 100M/Link × 2
Serial: TxD ×
2, RxD × 2
Reset Signal
Signals reserved for external “Reset to Default” button connection
Power Input
Accepts external 3.3 VDC through pin header
Dimensions (W ×
L)
80 ×
50 mm
Operating Temperature
-10 to 60°C (14 to 141°F), 5 to 95% RH
-40 to 75°C (-40 to 167°F) is optional for EM-1220-T model
Storage Temperature
-20 to 80°C (-4 to 176°F), 5 to 95% RH
-40 to 85°C (-40 to 185°F) is optional for EM-1220-T model
Module Interface
Two 2 ×
17 pin-headers; pitch: 2.0 × 2.0 mm
EM-1220 Hardware Block Diagram
1-4
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