User manual
H7921-RHZ-i 3G Router User Manual
12
2.1.3.2 Wiring
RJ-45 - Ethernet interface
Standard 10/100BaseT Ethernet switch port, self-adaptive
DC - power supply interface, Galaxy H7921-RHZ-i 3G router’s power supply is generally
+12VDC
ANT - antenna interface
The standard 5OΩ/SMA RF connector (female) is applied. In the environment of some
industrial applications, the lightning protection measures should be taken. You can
install the lightning protection device between this connector and antenna.
Note:
1. Keep this product away from any heating source;
2. Don’t place this product in dusty or humid environment;
3. Keep it away from some possible interference sources such as metal wall,
microwave oven etc;
4. To ensure that Wi-Fi network signal is received well, please pay attention to the
position and the angle of antenna. Don’t place antenna inside the shielded metal
case.
2.2 Function and features
Galaxy series 3G mobile data communication terminal product features platform and
modularization design. Upon the different demand from the users, the platform
extension, modem combination and clipping are carried out to comply with various
application demands of different clients. Combination of Broadcom hardware platform
with Linux-based GOS (Galaxy Operation System) software platform is its core
advantage.
The features of full-function Galaxy 3G mobile data communication terminal product
include:
2.2.1 Hardware function
SYSTEM, NET, LAN indicators
Factory default configuration restoration button
Antenna interface: 50Ω/SMA negative end
Serial data interface (DB9): RS-232(DCE)
Serial data interface rate: 300 to 230,400 bits/s
Ethernet interface: one 10/100BaseT/RJ45 self-adapting
Configuration interface: WEB/Telnet or RS-232