VoIP printed circuit board KN519A

for telephonesSIPfor communication module

SIP Video PCB board KN519A Working at -40℃-+70℃ hazardous pure industrial environment 4 ~100 I/O output and input for external control Support WAN/LAN, Duplex Intercom,Echo Cancellation,Upgrade Online With HD Camera operational Web page up to 50+ IP station group/direct call without IPPBX Adjustable sound volume IP address Sound reporting Door phone RFID card reader available upon request Board cast amplifier for paging option CCTV trigger available SIP 2.0 and private protocol 5 years warranty Operating Temperature -40°F to +158°F/ -40℃ to +70℃ Relative Humidity Up to 95% non-condensing Protection IP66, vandal-resistant and water-resistant design Communication Full duplex 2-way hands-free communication 1 button for Information 1 button for Emergency Call Control Signaling SIP Info(DTMF), RFC 2833(DTMF) Audio Codes G.711, G.722, G.729 Power Power over Ethernet, IEEE802.3af, Class 0 Local power, 12VDc,Idle 2W, Max 10W Auxiliary Contacts 1 Aux Output, dry contact Contact Ratings Load: Resistive load Rated load:0.3 A at 125 VAC; 1 A at 30 VDC Rated carry current:1A Max.switching voltage:125 VAC,60VDC Max.switching current:1A Network 10/100 BaseTX Ethernet, RJ45 connectors, Cat5e or better IP Protocols IPv4, TCP, UDP, TFTP, RTP, RTCP, DHCP, SIP LAN Protocols Power over Ethernet(PoE,802.3af), WLAN(IEEE 802.3af), Network Access Control(IEEE 802.1x),STP(IEEE 802.1d), RSTP(IEEE 802.1d-2004)Programming Non-volatile flash memory programming and configuration through Web GUI Management and Operation DHCP and static IP, remote automatic software upgrade, centralized monitoring Echo cancellation code G.167/G.168