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 |
