viii
4.6.3 Considerations for the Backend Network................................................ 277
4.6.3.1 Automatic Reconfiguration............................................................. 278
4.6.3.2 Characteristics of Backend Network.............................................. 279
4.6.4 Flow of Voice/Data/Control Messages.................................................... 286
4.6.5 Security Considerations .......................................................................... 287
4.6.6 General Considerations When Setting Up the Network
Connection for an IP Site Connect System ..................................................... 288
4.6.7 Considerations for Shared Use of a Channel.......................................... 289
4.6.8 Migration from Single Site Systems ........................................................ 290
4.6.9 Migration from an Older IP Site Connect System ................................... 291
4.7 Multiple Digital Repeaters in Capacity Plus...................................................... 292
4.7.1 System Capacity ..................................................................................... 292
4.7.2 Frequencies and Color Code Considerations ......................................... 292
4.7.3 Considerations for the Backend Network................................................ 293
4.7.4 Behaviors in Presence of Failures .......................................................... 293
4.7.5 Limiting Interference to Other Systems................................................... 294
4.7.6 Plan for Talkaround Mode....................................................................... 294
4.7.7 Ways to Improve Battery Life .................................................................. 295
4.7.8 Considerations for Configuring Combined Firmware Versions ............... 295
4.7.9 Upgrading from Capacity Plus ................................................................ 295
4.8 Multiple Digital Repeaters in Linked Capacity Plus .......................................... 296
4.8.1 System Capacity ..................................................................................... 296
4.8.2 Considerations for Frequencies, Color Code, and Interference.............. 296
4.8.3 Considerations for the Backend Network................................................ 298
4.8.3.1 Backend Network Characteristics.................................................. 299
4.8.3.2 Backend Network Bandwidth Considerations................................ 299
4.8.4 Behaviors in Presence of Failures .......................................................... 300
4.8.4.1 Failure of the Master...................................................................... 300
4.8.4.2 Failure of a Site.............................................................................. 301
4.8.4.3 Failure of a Repeater ..................................................................... 301
4.8.4.4 Failure of the LAN Switch .............................................................. 301
4.8.4.5 Failure of the Backend Network or Router..................................... 301
4.8.4.6 Failure of a Revert Repeater ......................................................... 301
4.8.5 Automatic Reconfiguration ...................................................................... 302
4.8.6 Security Considerations .......................................................................... 302
4.8.7 Migration ................................................................................................. 303
4.8.7.1 Migrating from IP Site Connect...................................................... 304
4.8.7.2 Migration from Capacity Plus......................................................... 304
4.8.8 Upgrading from Linked Capacity Plus..................................................... 304
4.9 Digital Voting .................................................................................................... 306
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