Contents | 11
Aprisa SRi User Manual 1.1.0
Contents
Getting Started .......................................................................... 17
Introduction .............................................................................. 19
About This Manual ............................................................................... 19
What It Covers ............................................................................ 19
Who Should Read It ...................................................................... 19
Contact Us ................................................................................. 19
............................................................................... 20
Aprisa SRi Accessory Kit ................................................................. 20
About the Radio ......................................................................... 21
The 4RF Aprisa SRi Radio ....................................................................... 21
Product Features ................................................................................ 22
Functions .................................................................................. 22
Security .................................................................................... 23
Performance .............................................................................. 24
Usability ................................................................................... 24
Product Overview ............................................................................... 25
Network Coverage and Capacity ....................................................... 25
Automatic Registration .................................................................. 25
Remote Messaging ........................................................................ 25
Product Operation ........................................................................ 26
Physical Layer ............................................................................. 26
Data Link Layer / MAC layer ............................................................ 27
Channel Access .................................................................... 27
Hop by Hop Transmission ......................................................... 27
Adaptive Coding and Modulation ................................................ 28
System Gain vs Modulation .............................................................. 28
Zones and Channels ............................................................... 29
Frequency Hopping Synchronization ............................................ 30
Interference Avoidance / Immunity ............................................ 31
Two Base Stations Using the Same Antenna ................................... 32
Repeater Station .................................................................. 32
Network Layer ............................................................................ 33
Packet Routing ..................................................................... 33
Static IP Router .................................................................... 34
Bridge Mode with VLAN Aware .................................................. 49
VLAN Bridge Mode Description................................................... 50
Avoiding Narrow Band Radio Traffic Overloading .................................... 52
Antenna Interface ........................................................................ 54
Ethernet Interface ....................................................................... 54
RS-232 / RS-485 Interface ............................................................... 54
USB Interfaces ............................................................................ 54
Protect Interface ......................................................................... 54
Alarms Interface .......................................................................... 54
Front Panel Connections ....................................................................... 55
LED Display Panel ............................................................................... 56
Single Radio Software Upgrade ......................................................... 57