Power Input : 48 V PoE IEEE 802.3af Class 0 (Max 3.84W - Idle nominal 2.0W).
SIP : Dual extensions for Page or Alerting.
Multicast : Receive or transmit.
Codec Support : G.711 A-law, G.711 u-law, G.722,Polycom Group Page, OGG Vorbis (other codec support available on request).
Processor : Linux OS; ARM Cortex-A8 32-Bit RISC Processor.
AUX Input : 3.5mm jack for analog music input.
AUX Output : 3.5mm jack for headset or PC speakers.
Line Input : Female mini-XLR 10 kOhm balanced maximum level +4 dBu. Transformer isolated internally.
Line Output : Low impedance balanced output. Line level -10 dBm / 0 dBm / +4 dBu. Transformer isolated internally. Male mini-XLR connector and pluggable terminal block. Frequency response 100-7000 Hz +/- 3dB.
Audio Memory : 1 GByte.
WAV Files : Customizable. Includes chime, gong, bell, warble, barking dogs.
Speech Processing : ALC, filtering, compression.
Audio Delay : Programmable 1-1000 ms synchronization delay.
Page Mode : Live or cache and release.
Page Zone : Based on received multicast IP Address or keypad events for 8301 configured as page SIP extension.
Relay Output : Normally open or normally closed. Max rating 30 V 50 mA.
Relay Input : Normally open or normally closed dry contact supervision. Algo 1202 Call Button, Algo 1203 Call Switch, EOL resistor termination.
Configuration : Web interface (HTTP or HTTPS) or autoprovisioning server.
Provisioning : TFTP, FTP, HTTP
Supervision : SNMP
NAT : STUN, CRLF Keep Alive.
Environmental : +32 to +122 deg F (0 to +50 deg C); suitable for dry indoor environments only.

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