Support QoS control to secure the optimum level of voice quality
Apply high end error resilience to cope with various packet errors in
network
Support 5 inch TFT color LCD with touch screen feature
High Performance Programmable DSP
SIP/H.323 dual stack
Flash memory 512Mbyte, SDRAM 128Mbyte
Support speaker phone
Support back light
Support access control with RF card
Network interface: 10/100Mbps fast Ethernet interface x 1
Support RS232/RS422/RS485 interface, alarm input, relay output port
Support PoE
Audio and Telephone Features
Voice Call Button
G.7.22, G.711, G.726, Voice Codec
SIP/H.323 Dual Stack
CPU
High Performance RISC+DSP H/W Architecture
Memory
Flash Memory
512Mbyte
Main Memory
128Mbyte DDR
Network Interface Module
LAN Port
One(1) 10/100Mbps Fast Ethernet
Control & Display
5 Inch TFT Color LCD
One-Chip Solution for TFT-LCD
Hardware On-Screen Display (OSD)
Support resolution up to 240xRGBx320
Up to 24-bit RGB888 Digital Interface
Resize Function ( x 1/16, x8)
BT.60/BT.66 Digital YCbCr 4:2:2(8-/16-bit) Interface
RF Card Interface
RF Card Tags
ISO14443A/B all bit rates : 106/212/424/848kbps,
MiFare Series, etc
Acoustic Echo Canceller
Full Duplex AEC
Full-duplex operation during double-talk
situations
One channel AEC, one channel LEC up to 256ms shared
Cancels echoes with up to 10dB echo return
Advanced noise reduction(up to 20dB)
Speaker
Internal Speaker
Impedance : 8 +-15%ohm at 1kHz, 1.0 Vrms
Sound Pressure : 90 +- 3dB at 0.1W/10 CM
at 800Hz, 1.0kHz, 1.2kHz, 1.5kHz
Resonance Level : 550Hz +- 20%Hz at Fo Hz, 1.0Vrms
Frequency Range : Fo Hz ~20kHz
Input Power : Normal : 1.0 W, Max : 2.0W
Audio Amplifier
Internal Audio AMP.
1-W BTL Output(5V, 0.11 % THD+N)
Uncompensated Gains of 2 to 20 (BTL Mode)
Thermal and Shot-circuit Protection
High Supply Ripple Rejection Ratio
Audio Interface
Input
Internal MIC In
Output
Internal Speaker Out
I/O Interface
I/O Port
RS232/RS422/RS485 Interface : 2-Port
Alarm Input : 2 Port
Relay Out : 2 Port
Power & Operation Environments
Power Requirement
External Power VAC 110~220 VAC, 50/60Hz, 12V 1A
PoE (Power over Ethernet)
IEEE802.3af compliant
Input voltage range 36V to 57V
Short-circuit Protection