N-8640SB

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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

Note: For the assembly procedure and operation panel design, refer to the instruction manual supplied with the unit.