Hongdian H8922 Dual SIM Single Module - Manual (Page 27)

H8922 3G/4G Router 1 Product Introduce
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Table 3-3 Serial port to RJ45 cable
Item RJ45(male) TO DB9(Female)
PIN 2 2(RxD)
PIN 3 3(TxD)
PIN 5 5(GND)
When “DTU” function is not added to device, this port for debug only, not for other
application. When “DTU” function is added to device, be shown under “Application”
section on web GUI, this port is for DTU only, not for debug.
The cable for debug and DTU data transmission is with the same order.
Do not insert any other RJ45 cable into console port, otherwise router may work abnormal.
3.3 Power supply
In order to get high reliability, H8922 3G/4G router adapt wide voltage input: +5V～+36VDC,
support hot plug and complex application environment.
3.4 Review
After connect SIM/UIM card, Ethernet cable, necessary antenna, then connect power cable.
Please connect antenna before connect power cable, otherwise because of Impedance
mismatching, signal maybe poor.
Notice
Step 1 Check antenna connection.
Step 2 Check SIM/UIM card installation to confirm SIM/UIM card is available.
Step 3 Power on H8922 3G/4G router, the LEFT SIM slot is SIM 1, take it as a example:
 After connect power 14s, router RUN solid light, means router system works ok.
 After connect power 25s, NET solid light, means router found the module.
 After connect power 25s, NET blinking quickly means router start to dial.
 After connect power 30s, RF shows the signal level.
 After connect power 45s, NET solid light means 3G/4G connected, if blinking slowly, means
2G/2.5G connected.