Specifications System Characteristics Recommended Usage Internet Condition
	Size (approximately): 222 x 154 x 60 mm (L x W x H) (8.74 x 6.06 x 2.36 inches) LCD Display (approximately): 60 mm x 25 mm with back light Voltage Pressure: 12V DC, 500mA Power Adapter: AD/DC input 100~120V (USA, Japan, etc.) or 220~240V (China, Europe, etc.) or 100~240V, 46-63Hz EMC: FCC Part15 CLSS B Ports: 1 RJ45 jack (to connect with network) 1 RJ45 jack (to connect with computer as computer's network interface) Operating Temperature: 0°C ~ 50°C (32°F ~ 122°F) Storing Temperature: -30°C ~ 65°C (-22°F ~ 149°F) Humidity: 10% to 90% no dew Network Interface: IEEE 802.3 10 Base-T, RJ-45 connector Network Protocol: TCP/IP Voice Coding Standard: G.711A, G.711µ, G.723.1, 5.3K/6.3Kbps and G.729 Echo Cancellation: G.165 16ms Bandwidth Management: G.723.1, G.729 VAD/CNG Voice-over-IP Standard: H.323 Other Protocols: DTMF, DHCP, DNS, NTS, TFTP, HTTP Program Memory: 1024 KB Flash Memory