N-8000af audio interface unit – Toa N-8000 Series User Manual
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Chapter 8
APPENDIX
5.39. N-8000AF Audio Interface Unit
• Accessories
AC power cord (2 m) .............................................. 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
Machine screw M3 x 8 ........................................... 4
* 0 dB = 1 V
Note: The design and specifications are subject to change without notice for improvement.
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
• Optional products
Power Source
CE version: 220 – 240 V AC, 50/60 Hz
CU version: 120 V AC, 50/60 Hz
Power Consumption
7 W (max.)
Audio Input
1 input (transformer isolated), –58 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
RJ-45 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
LNK/ACT indicator, Status indicator, Power indicator,
Signal indicator, Peak indicator
Others
Firmware update function, System data hold function,
Time of day hold facility, Reset key (front panel)
Setting Method
Rack, Desk, Surface mount
Operating Temperature
0 to 40°C
Operating Humidity
90 % RH or less (no condensation)
Finish
Pre-coated steel plate, black, 30 % gloss
Dimensions
210 (w) x 44.3 (h) x 267 (d) mm
Weight
1.7 kg