The N-8640SB is a kit for for the assembly of custom-made IP door station. The N-8640SB consists of the N-8640DS IP Door Station excluding the front panel. You can make the IP door station suitable for applications using the N-8640SB in combination with the operation panel section.
Specification Power Source Power supply device that complies with IEEE802.3af standard or 12 V DC (supplied from the AC adapter (option) Power Consumption Use of the AC adapter (12 V DC): 3.5 W (station only), Use of the PoE (48 V DC): 5 W Speech Method Hands-free conversation Audio Frequency Range 300 Hz – 7 kHz Hands-free Speaker: 3.5 cm (1.38″) cone-type, maximum output 0.5 W, 8 Ω Microphone: Omni-directional electret condenser microphone Control Input 1 channel, no-voltage make contact input, open circuit voltage: 5 V DC, short circuit current: 10 mA or less, unterminated ends Control output Open collector output, 4 channels, withstand voltage: 30 V DC, Control current: Max. 50 mA (4 output 1COMMON), unterminated ends Relay contact output, 1 channel, withstand voltage: 30 V DC, control current: Max. 500 mA, unterminated ends External Speaker Terminal Maximum output 0.5 W, 8 Ω, unterminated ends Network Section Network I/F: 10BASE-T/100BASE-TX (Automatic-Negotiation) Network protocol: TCP/IP, UDP, HTTP, RTP, ARP, ICMP, IGMP Audio packet transmission system: Unicast, Multicast Number of paging destinations: 0, *Reception only Connector: LAN: RJ45 connector (PoE compatible) Voice sampling frequency: 16 kHz, 8 kHz (controllable on the software) Quantifying bit number: 16-bit Voice encoding method: Sub-band ADPCM, Cryptosystem Voice packet loss recovery: Silence insertion Audio delay time: 80 ms, 320 ms (controllable on the software) Operating Temperature -10 ℃ to +50 ℃ (14 ゜F to 122 ゜F) Operating Humidity 90 %RH or less (no condensation) Dimensions 79 (W) × 134 (H) × 53 (D) mm (3.11″ × 5.28″ × 2.09″) (Complete assembly of component parts) Weight 350 g (0.77 lb) (Total weight) Option AC adapter: AD-1210P, AD-1215P
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