
Aprisa SRx User Manual 1.3.0
Contents
1. Getting Started ........................................................................ 13
2. Introduction............................................................................ 15
About This Manual...............................................................................15
What It Covers ............................................................................15
Who Should Read It ......................................................................15
Contact Us.................................................................................15
What’s in the Box ...............................................................................15
Aprisa SR Accessory Kit ..................................................................16
Aprisa SR CD Contents ...................................................................16
Software ............................................................................16
Documentation ....................................................................16
3. About the Radio ....................................................................... 17
The 4RF Aprisa SR Radio........................................................................17
Product Overview ...............................................................................18
Network Coverage and Capacity .......................................................18
Automatic Registration ..................................................................18
Remote Messaging........................................................................18
Store and Forward Repeater............................................................19
Repeater Packet Forwarding.....................................................19
Repeater Messaging ...............................................................22
Product Features ................................................................................23
Functions ..................................................................................23
Security ....................................................................................24
Performance ..............................................................................25
Usability ...................................................................................25
System Gain vs FEC Coding .............................................................25
Architecture......................................................................................26
Product Operation........................................................................26
Physical Layer.............................................................................26
Data Link Layer / MAC layer ............................................................27
Channel Access ....................................................................27
Hop by Hop Transmission.........................................................27
Network Layer ............................................................................28
Packet Routing.....................................................................28
Static IP Router....................................................................29
Bridge Mode with VLAN Aware ..................................................32
VLAN Bridge Mode Description ..................................................33
Avoiding Narrow Band Radio Traffic Overloading....................................35
Interfaces.........................................................................................37
Antenna Interface ........................................................................37
Ethernet Interface .......................................................................37
RS-232 / RS-485 Interface...............................................................37
USB Interfaces ............................................................................37
Protect Interface .........................................................................37
Alarms Interface..........................................................................37
Front Panel Connections .......................................................................38
LED Display Panel ...............................................................................39
Normal Operation ........................................................................39
Single Radio Software Upgrade.........................................................40