User`s manual

EM-1220 LX User’s Manual Introduction
Product Specifications
Hardware Specifications
Model EM-1220-LX Embedded Module
CPU
MOXA ART ARM9 32-bit 192 MHz processor
RAM
16 MB
Flash
8 MB
LAN
Auto-sensing 10/100 Mbps
× 2
LAN Protection
Built-in 1.5 KV magnetic isolation
Two serial ports supporting RS-232/422/485 signals
RS-232 signals: TxD, RxD, DTR, DSR, RTS, CTS, DCD, GND
RS-422 signals: TxD+, TxD-, RxD+, RxD-, GND
4 wire RS-485 signals: TxD+, TxD-, RxD+, RxD-, GND
2 wire RS-485 signals: Data+, Data-, GND
Serial Protection: 15 KV ESD for all signals
Data bits: 5, 6, 7, 8
Stop bit(s): 1, 1.5, 2
Parity: None, even, odd, space, mark
Flow Control: RTC/CTS, XON/XOFF
Serial Ports
Speed: 50 bps to 921.6 Kbps, supports Any Baudrate
Serial Console
RS-232
× 1, TxD, RxD, GND
Storage Expansion
SD signals for external Secure Digital (SD) socket connection
GPIO
GPIO
× 10 (to enable GPIO, SD must be disabled.)
Real-time Clock
Yes
Watchdog Timer
Yes
Buzzer Signals
Buzzer signals reserved for external buzzer connection
LED Signals
LAN 10/100 × 2 on LAN Connector
Signals reserved for the following LED connections:
System Ready × 1
Serial Port Status × 2 pairs (TxD, RxD for each pair)
Reset Signal
Signal 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
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