14 | Contents
Aprisa SRi User Manual 1.1.0
Maintenance ............................................................................ 321
Additional Spare Fuses................................................................. 322
No User-Serviceable Components ........................................................... 322
Software Upgrade ............................................................................. 323
Network Software Upgrade ........................................................... 323
Single Radio Software Upgrade ....................................................... 325
File Transfer Method ............................................................ 325
USB Boot Upgrade Method ..................................................... 326
Software Downgrade ............................................................ 326
Interface Connections ................................................................ 327
RJ45 Connector Pin Assignments ............................................................ 327
Ethernet Interface Connections ............................................................. 327
RS-232 Serial Interface Connections ........................................................ 328
RS-232 Pinout .................................................................... 328
RS-232 Customer Cable Wiring ................................................ 328
RS-232 RJ45 LED Indicators .................................................... 328
Alarm Interface Connections ................................................................ 329
Alarm Types and Sources ............................................................ 330
Alarm Types .................................................................................... 330
Alarm Events ............................................................................ 331
Informational Events ................................................................... 337
Specifications ........................................................................... 339
RF Specifications .............................................................................. 339
Frequency Bands ....................................................................... 339
Channel Sizes ........................................................................... 339
Receiver ................................................................................. 340
Transmitter.............................................................................. 342
Spread Spectrum ....................................................................... 342
Modem ................................................................................... 343
Data Payload Security ................................................................. 343
Interface Specifications ...................................................................... 344
Ethernet Interface ..................................................................... 344
RS-232 Asynchronous Interface ....................................................... 345
Hardware Alarms Interface ........................................................... 346
Power Specifications .......................................................................... 347
Power Supply ............................................................................ 347
Power Consumption .................................................................... 347
Power Dissipation ...................................................................... 347
General Specifications ........................................................................ 348
Environmental .......................................................................... 348
Mechanical .............................................................................. 348
Compliance .............................................................................. 349