The N-8000RS is a Sub-station Interface Unit designed for use with TOA’s packet intercom system (IP network-compatible intercom system) that employs the packet audio technology. Up to 16 sub-stations can be connected using 2-core shielded cables. Connecting the unit to the LAN permits the sub-station to receive paging calls and make calls to both the master stations connected to the IP intercom exchange and IP master stations. It can be mounted in an EIA equipment rack (1U size) with the use of an accessory rack mounting bracket or installed on a wall using an optional wall mounting bracket.
Specification Power Source 220 – 240 V AC, 50/60 Hz Power Consumption 40 W (at rated), 50 W (max.) Interface Section for Sub-stations Number of lines: 16 lines
Number of speech links: 2 links
Transmission system: Analog baseband
Transmission range: 0.5 km/φ0.5 mm (AWG24), 0.8 km/φ0.65 mm (AWG22), 1.3 km/φ0.9 mm (AWG19)
Speech method: Half-duplex conversation by way of voice switch,
Connector: Removable terminal block (3 pins)
Wiring method: Two-core shielded cable
Audio output: Conversation: Max. 1 W, Paging: Max. 0.5 W/line
Feeding voltage/current: 22 V DC, 30 mA max.
Control signal: Call in button detection, privacy button detection, hook detection
Network I/F 10BASE-T/100BASE-TX (Automatic-Negotiation)
Auto MDI/MDI-X compatible
Network protocol TCP/IP, UDP, HTTP, RTP, ARP, ICMP, IGMP Audio packet transmission system Unicast (Speech: 2 links, Paging: Max. 8 zones) Network connector RJ45 connector Voice sampling frequency 16 kHz, 8 kHz (controllable by 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 by software)
Indication Network LNK/ACT indication, Status lamp, Power-on indication lamp Other Firmware update function, Reset switch (front panel) Installation Rack, Desk, Surface mount Operating Temperature 0 °C to +40 °C Operating Humidity 90 %RH or less (no condensation) Finish Pre-coated steel plate, black, 30 % gloss Dimensions 420 (W) × 44.3 (H) × 325.5 (D) mm Weight 3.9 kg Accessory Power cord (2 m)