Audio Interface Unit

Audio Interface Unit

Audio Interface Unit

N-8000AF

The N-8000AF provides either an analog audio input/output bridge to the N-8000 system, a bell schedule generator with internal tones, or record functionality for archival purposes. It can also function as the system master clock, with sync to contact closure or NTP server as required. When used as an analog audio bridge to the N-8000 intercom system, it accepts one mic or line level input which can be broadcast to any paging zone or station on the system. One line-level output is provided, with eight contact closure inputs and eight contact closure outputs. Contact closures may be synchronized with a paging event. When used as a bell schedule generator, the N-8000AF provides 16 schedules with 64 events per schedule. Five internal tones are available, with the option to trigger up to four external paging sources. When used as for recording it provides an analog audio output and contact closure control for external recording devices to record pages, announcements, and conversations. Rack mount kit not included. Use TOA MB-15B-BK (one unit per rack space) or MB-15B-J (two units per rack space)


Airport Application
Video
Application


The latest firmware version is 4.10(update:2014/11/13). The latest software version is 4.2.0(update:2015/04/03),and old version 1.41(update:2008/10/06). The Maintenance Software(Ver.1.2.0) is used to monitor or maintain equipment within the system(upload:2015/04/03).The recording software(update:2015/04/03).

Power Source 120 V AC, 50/60 Hz
Power Consumption 7 W (max.)
Audio Input 1 input (transformer isolated), -58 dB* to 0 dB*, 2 kΩ, balanced
(MIC/LINE input, controllable on the software)
with input volume control knob, removable terminal block (3 pins)
Audio Output 1 output (transformer isolated), 0 dB*, 600 Ω, balanced, removable terminal block (3 pins)
Contact Input 8 inputs, no-voltage make contact input, open voltage: 24 V DC,
short-circuit current: 5 mA or less, removable terminal block (10 pins),
(1 common terminal for 4 inputs)
Contact Output 8 outputs, relay contact output, contact capacity: 24 V DC/2 - 500 mA,
removable terminal block (16 pins)
Time Sync Input 1 input, no-voltage make contact input, open voltage: 24 V DC,
short-circuit current: 5 mA or less, removable terminal block (2 pins)
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)
Indication Network LNK/ACT indication, Status lamp, Power-on indication lamp, Signal lamp, Peak lamp
Other Firmware update function, System data hold function, Time of day hold facility,
Reset switch (front panel)
Setting Method Rack, Desk, Surface mount
Operating Temperature 0 ℃ to +40 ℃ (32 ゜F to 104 ゜F)
Operating Humidity 90 %RH or less (no condensation)
Finish Pre-coated steel plate, black, 30 % gloss
Dimensions 210 (W) × 44.3 (H) × 267 (D) mm (8.27" × 1.74" × 10.51")
Weight 1.7 kg (3.75 lb)
Accessory Power cord (2 m (6.56 ft)) …1, CD (for PC setting, maintenance use) …1,
Removable terminal plug (2 pins) …1, Removable terminal plug (3 pins) …2,
Removable terminal plug (5 pins) …2, Removable terminal plug (8 pins) …2,
Plastic foot…4, Screw for fitting plastic foot …4
Option Rack mounting bracket: MB-15B-BK (for rack mounting one N-8000AF unit)
MB-15B-J (for rack mounting two N-8000AF units)
Wall mounting bracket: YC-850

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