| Nguồn điện | 220 - 240 V AC, 50/60 Hz |
|---|---|
| Công suất tiêu thụ | 7 W (max.) |
| Giao diện C/O | Public Switched telephone networks Number of lines: 1 line Selective signal type: DTMF signal Signal system: Compatible with loop start signaling Wiring method: 1 pair of twisted pair cables |
| 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: Unicast (max. 8), Multicast (max. 191) Connector: RJ45 connector 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) |
| Chỉ báo | Network LNK/ACT indication, Status lamp, Power-on indication lamp, Line in-use lamp |
| Thông tin khác | Firmware update function, System data hold function, Time of day hold facility, Reset switch (front panel) |
| Cách thức cài đặt | Rack, Desk, Surface mount |
| Nhiệt độ hoạt động | 0 ℃ to +40 ℃ (32 ゜F to 104 ゜F) |
| Độ ẩm hoạt động | 90 %RH or less (no condensation) |
| Vật liệu | Pre-coated steel plate, black, 30 % gloss |
| Kích thước | 210 (W) × 44.3 (H) × 267 (D) mm (8.27" × 1.74" × 10.51") |
| Trọng lượng | 1.7 kg (3.75 lb) |
| Phụ kiện | Power cord (2 m (6.56 ft)) …1, CD (for PC setting, maintenance use) …1, Mini-clamp plug (2 pins) …2, Plastic foot …4, Screw for fitting plastic foot …4 |
| Tùy chọn | Rack mounting bracket: MB-15B-BK (for rack mounting one N-8000CO unit) MB-15B-J (for rack mounting two N-8000CO units) Wall mounting bracket: YC-850 |
