TB9100/P25 CG/P25 TAG Installation and Operation Manual Description 19© Tait Limited March 2014Encrypted voice quality is indistinguishable from unencrypted.The trunked analog gateway supports Project 25 compliant DES (via thebasic encryption license) and AES (Advanced Encryption Standard) with theAES license.The control panel in a trunked analog gateway has limited functionality.The Power and Alarm LEDs are operational, but the microphone andspeaker are not used.1.6 ApplicationsTB9100 base stations can be used as repeaters or as base stations. They canbe connected together as a channel group, to form a wide area repeater orwide area base station. They can be used in trunking systems and inconventional systems with analog or digital dispatch equipment. For moreinformation, see the appropriate Tait P25 System Manual.RepeaterThe base station can function as a standalone repeater. The analog line is notused and the Ethernet line is only used for CSS access.Line-Connected Base StationAnalog The base station can function as a line-connected base station. Analogdispatch equipment is connected to the analog line.Digital The base station can make available a digital fixed station interface (DFSI)for connecting to digital dispatch equipment.Channel GroupBase stations that are interconnected over an IP-based linking infrastructurecan be configured as a channel group. Together, they operate as a singlelogical channel, forming a wide area repeater, wide area base station, widearea trunking control channel or trunking traffic channel.Trunking Control or Traffic ChannelBase stations can be interfaced to an external trunking site controller. Underinstructions from the site controller, they can function as a control channelor a traffic channel.
