N-8640SB IP Door Station Board

N-8640SB IP Door Station Board

N-8640SB IP Door Station Board

N-8640SB

N-8640SB কাস্টম মেইড IP ডোর স্টেশনের অ্যাসেম্বলিং পার্টের একটি কিট। এই কিটে N-8640DS IP ডোর স্টেশনের ফ্রন্ট প্যানেল ছাড়া অন্য কিট থাকে। আপনি IP ডোর স্টেশন অ্যাপ্লিকেশন উপযোগী করতে পারেন এই কিট প্রোডাক্ট অপারেশন প্যানেলের সাথে কম্বাইন্ড করে। 

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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