Chonghan CH-D3 Series, User Manual

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CAI JINYONG
2018-3-30
CHONGHAN CH-D3 WIRELESS DTU USER MANUAL
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10
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Weather station data transmission
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Hydrologic data acquisition
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Vending machine

Traffic info guidance
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Parking meter
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Telecom base station supervision (Mobile base station, microwave or optical relay station)
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Oil field data acquisition
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Warehouse supervision
3. Basics
3.1. Hardware Connection
Description Image
LED Power ON running
Data FLASH Inserted card, access
network
Antenna 50 Ω /SMA/Female
SIM 3.3V/1.8V
Power
Φ
5.5mm/2.5mm
5~48V ( suggest 12V )
Serial Port DB9
Data Interface PIN RS-232 RS-485
1 DCD (Power for Option) NC (Power for Option)
2 TXD B
3 RXD A
4 DTR NC
5 GND GND
6 DSR NC
7 CTS NC
8 RTS NC
9 RI NC
Assemble the antenna, power adapter, connect the DTU to PC via RS-232 serial cable, open
the back cover, insert SIM/UIM card, at last, power on.
Note: Don’t insert or remove the SIM/UIM card in the power on status.