The T-8000A remote zone paging microphone works in conjunction with the T-8000 matrix through universal industrial standard CAT5 cable for zone announcement or communication at a remote and different location from the control center. Each matrix controller T-8000 provides two RJ45 ports for the remote paging microphone. The maximum each system can support is two remote zone paging microphone linked into one master 8 zone matrix controller. Extension control keypad shall be used when system zone number is over than 8. The CAT 5 wiring is not only cost-effective and convenient to run, but also integrates the RS 485 communication and audio transmission together. Extra DC 24V power supply is needed to power the remote paging microphone, a power adaptor is included together within the microphone packaging. Eight zone selector with state indicators Talk and All zone paging swift keys are provided. 2 and 4 tones chimes with selector and off switch included. Volume controls are provided for chime and microphone. Full indications include individual zone, all zone, busy, paging, power, output level to provide a direct visualization of the system status. Extension control keypad T-8000AE is needed when the system zone is more than 8, but complete connection accessories are provided to ensure it is easy to install. Each extension control keypad zone capacity is eight zones.