SMS-531 User’s Manual v1.1
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2. Hardware
2.1 Specifications
System
CPU
32 bit CPU
SRAM
64K Bytes
Flash Memory
512K Bytes
WDT(watchdog)
Yes
Serial Ports
COM1
RS-232 : TXD,RXD,GND
:
Configuration and Debug
COM2
RS-232 : TXD,RXD,GND
:
Communicating with the Host
COM3
RS-485 : D+,D-
:
Communicating with the Host
3G Interface
Frequency
WCDMA Quad-Band 850/900/1900/2100 MHz
GSM Interface
Frequency
Quad-Band 850/900/1800/1900 MHz
Coding schemes
CS 1, CS 2, CS 3, CS 4
SMS Format
sending : UCS2 receiving : UCS2/7bits
Power
Protection
Reverse polarity protection
Frame Ground
Protection
ESD, Surge, EFT, Hi-Pot
Required Supply Voltage +10 VDC ~ +30 VDC
Mechanical
Casing
Plastic
Dimensions(W x L x H)
91 mm x 132 mm x 52 mm
Installation
DIN-Rail
Environment
Operating Temperature
-25 °C ~ +75 °C
Storage Temperature
-40 °C ~ +80 °C
Humidity
5 ~ 95% RH, non-condensing
Содержание SMS-531
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