Product Overview
The N-8000AF Audio Interface Unit is designed for use with TOA’s IP network-compatible packet intercom system. It features analog audio input/output, a time synchronization contact input, and eight contact inputs/outputs. When connected to a LAN, it supports conversation recording, scheduled chime broadcasts, and paging. The unit can be rack-mounted in a 1U EIA equipment rack or wall-mounted using optional brackets.
TOA N-8000AF-CU Includes
- Power cord (2 m)
- CD (PC setting and maintenance)
- Removable terminal plugs: 2-pin (1), 3-pin (2), 5-pin (2), 8-pin (2)
- Plastic feet (4), screws (4)
TOA N-8000AF-CU Features
- 10 Base-T / 100 Base-TX Ethernet network connection
- 8x Contact Input / 8x Contact Output
- Time synchronization input
- Built-in timer and chime
- Function to diagnose system line and network status
- Audio Input: Paging
- Audio Output: Paging
TOA N-8000AF-CU Specifications
- Power Source: 120 V AC, 50/60 Hz
- Power Consumption: 7 W (max)
- Audio Input:
- 1 transformer-isolated input, -58 dB to 0 dB, 2 kΩ, balanced
- MIC/LINE input (software-controllable)
- Input volume control knob, removable 3-pin terminal block
- Audio Output:
- 1 transformer-isolated output, 0 dB, 600 Ω, balanced
- Removable 3-pin terminal block
- Contact Input:
- 8 no-voltage make contact inputs
- Open voltage: 24 V DC, short-circuit current: ≤ 5 mA
- Removable 10-pin terminal block (1 common terminal for 4 inputs)
- Contact Output:
- 8 relay contact outputs
- Contact capacity: 24 V DC / 2-500 mA
- Removable 16-pin terminal block
- Time Sync Input:
- 1 no-voltage make contact input
- Open voltage: 24 V DC, short-circuit current: ≤ 5 mA
- Removable 2-pin terminal block
- Network Section:
- Interface: 10BASE-T/100BASE-TX (Auto-Negotiation)
- Protocols: TCP/IP, UDP, HTTP, RTP, ARP, ICMP, IGMP
- Audio packet transmission: Unicast (max. 8), Multicast (max. 191)
- Connector: RJ45
- Voice sampling: 16 kHz, 8 kHz (software-controllable)
- Bit depth: 16-bit
- Encoding: Sub-band ADPCM, Cryptosystem
- Packet loss recovery: Silence insertion
- Audio delay: 80 ms, 320 ms (software-controllable)
- Indicators:
- Network LNK/ACT, Status, Power, Signal, Peak
- Other Features:
- Firmware updates, system data hold, time of day hold
- Front-panel reset switch
- Installation: Rack, desk, surface mount
- Operating Temperature: 0°C to 40°C (32°F to 104°F)
- Operating Humidity: ≤ 90% RH (no condensation)
- Finish: Pre-coated steel, black, 30% gloss
- Dimensions: 210 (W) x 44.3 (H) x 267 (D) mm (8.27" x 1.74" x 10.51")
- Weight: 1.7 kg (3.75 lb
