User Manual

2.3 Antenna Theory and Selection --------------- 21
Functions of Antennas
Types of Antenna
Key Antenna Specifications
Choosing the Right Antenna for Your Project
2.4 Long Distance Wireless ---------------------- 23
Application Topology
Components of the Expanded 802.11
Wireless System
Moxa’s Antennas Selection Guide ----------- 30
IEEE 802.11b/g 2.4 GHz Wireless Antennas
IEEE 802.11a/b/g 2.4/5 GHz
Dual-band Antennas
IEEE 802.11a 5 GHz Wireless Antennas
Cellular Antennas
Setting Up Point-to-Point Connections
Antenna Alignment for P2P Operations
Moxa Performance Test Report
2.5 Mobile Optimization ------------------------- 35
Roaming Under Linear Movement
Roaming Speed Acceleration
Limitations of High Speed Roaming
2.6 Advanced WLAN Technologies -------------- 37
Dual RF Redundancy
Mesh Technologies
Wireless VLAN
QoS for Video/Audio and Control
Wireless Management
2.7 Industrial Certification ----------------------- 42
EN50155 Certification
ATEX/Class I Division 2
Chapter 3
Cellular Networks
3.1 Cellular Basics ------------------------------- 44
Data Service of GSM
APN in Packet Switch
3.2 Private IP Solution --------------------------- 48
Private IP vs. Public IP
Delay Time
Solution for Private IP
Moxa OnCell Central Manager
3.3 Security -------------------------------------- 50
The Virtual Private Network (VPN)
Firewall
3.4 How to Connect Serial Devices
to Cellular Networks ------------------------- 51
Traditional Modems
IP Gateways
3.5 How to Connect Ethernet Devices to
Cellular Networks ---------------------------- 56
From WAN to LAN (TCP Server)
From LAN to WAN
The OnCell can be both TCP Server
and TCP Client
3.6 How to Connect I/O Devices to Cellular
Networks ------------------------------------ 59
SCADA Meets Ethernet
Communication from I/O to SCADA
OPC Fundamentals
OPC and DCOM: 5 Things You Need to Know
Enhance OPC Capability for
Cellular Communications
Conclusion