User manual

H7921-RHZ-i 3G Router User Manual

SYSTEM：

It lights when router works normally.

Back panel interface

Galaxy H7921-RHZ-i 3G Router’s all interfaces are designed on the back panel as shown

below:

COM LAN POWER RESET ANT

Fig. 2.1.1-2: Back Panel

The interfaces on the back panel are described as below:

ANT：Antenna (SMA negative terminal) interface, which is able to match with standard

short antenna, vehicular antenna or directional antenna;

RESET：Reset button used for restoring the default parameters.

DC：DC power supply interface. (Be sure to check if the voltage of power supply is

consistent with the label on the router)

RJ45：10/100BaseT self-adapting Ethernet interface;

COM：Serial interface (RS-232) used for receiving and dispatching the data of serial

interfaces of terminal equipment or setting the console. Its application is dependent on

the working modes. For instance, under the CONSOLE mode, press the Spacebar of PC

connected with the serial interface to display the configuration state when the system is

powered up. Otherwise, the system will start the communication state normally.