TOA- Network Audio Adapter NX-100
TOA ANALOG & IP PAGING SYSTEM NETWORK AUDIO ADAPTER NX-100
FEATURES
IP Audio and Control Transmission
Converts analog audio and control signals (e.g. contact closures, serial data) into real-time IP network streams for remote broadcasting and control.
Unicast & Multicast Capability
Supports transmission to up to 4 unicast destinations or up to 64 multicast destinations, enabling efficient broadcast over networks.
Flexible Audio I/O
One balanced, transformer-isolated audio input (MIC/LINE switchable) and one balanced audio output (600 Ω) with selectable gain controls.
Control I/O & Network Interfaces
Offers 8 no-voltage control inputs and 8 open-collector outputs, plus RS-232C serial interface and 10BASE-T/100BASE-TX network.
SPECIFICATIONS
Audio Frequency Response: 50 Hz to 14 kHz (at 32 kHz sampling)
Distortion: Under 0.3% (1 kHz, 32 kHz sampling)
Audio Input: 1 channel, transformer-isolated, balanced MIC/LINE switchable, 2 kΩ input impedance
Audio Output: 1 channel, transformer-isolated, balanced, 600 Ω minimum load
Control Inputs: 8 channels, no-voltage make contact input (open voltage 12 V DC, short-circuit current 10 mA)
Control Outputs: 8 channels, open collector output, withstand voltage 30 V DC, control current max 50 mA
Network Interface: 10BASE-T/100BASE-TX, Auto-Negotiation
Transmission Modes: Unicast up to 4 destinations; Multicast up to 64 destinations
Operating Temperature: 0 °C to +50 °C (or 0 °C to +40 °C when using AC adapter)
Dimensions (W × H × D): 210 mm × 44.7 mm × 188 mm
TOA ANALOG & IP PAGING SYSTEM NETWORK AUDIO ADAPTER NX-100S
FEATURES
Efficient Audio Over IP with Control Data
Enables high-fidelity audio transmission and control data signalling across IP networks, suitable for remote paging/broadcast systems.
Wide Compatibility with Input Types
Balanced MIC/LINE input with phantom power support and balanced output for integration with professional audio systems.
Compact Rack-Mountable Design
Designed for installation in standard EIA rack with optional mounting brackets.
SPECIFICATIONS
Power source: 24 V DC (or optional AD-246 AC)
Current consumption: same as NX-100
Audio I/O: same as NX-100
Control I/O: same as NX-100
Network interface: same as NX-100
Additional features: audio signal/peak LEDs, phantom power on mic input
Operating temperature: 0 °C to 40 °C
Dimensions: 210 mm × 44.7 mm × 188 mm
Weight: 1.2 kg
Finish: Black steel plate
Rack mount options: MB-15B-BK, MB-15B-J
TOA ANALOG & IP PAGING SYSTEM NETWORK AUDIO ADAPTER NX-300
FEATURES
Dual-Channel Full-Duplex Transmission
Supports true two-way audio for intercom or conversational applications in mono channels.
Scalable Network Expansion
Allows up to 500 NX-300 units to interconnect over LAN/WAN with up to 1000 simultaneous links.
Audio File Storage & Broadcast
Contains internal memory for up to 8 WAV files (2 minutes each) with remote updating and scheduled broadcasting support.
Priority Broadcast & Control Interlock
Supports 8 levels of broadcast priority; integrates control I/O for triggering or interactive control across the network.
SPECIFICATIONS
Power source: 24 V DC (via terminal block) or optional AC adapter AD-246
Power / Current: approx. 10 W (AC), 310 mA (DC)
Audio input: 2 channels, balanced (transformer isolated) or unbalanced, LINE/MIC selectable
Audio output: 2 channels, balanced
Contact I/O: 8 control inputs, 10 outputs
Sampling / conversion: 24-bit A/D and D/A, 48 kHz
Transmission: Unicast (max 16 outputs), Multicast (max 64 outputs)
Network interfaces: 10BASE-T / 100BASE-TX
Controls / indicators: Multiple (LNK/ACT, SIGNAL, STATUS, ERROR, RUN)
Operating temperature: –10 °C to +50 °C (when using AC adapter: 0 °C to 40 °C)
Operating humidity: ≤ 90% RH (non-condensing)
Dimensions: 210 mm × 44.3 mm × 258 mm
Weight: 1.7 kg
Finish: Steel plate, black (30% gloss)
Storage: SD / SDHC card slot (max 32 GB), activity logs up to 10,000
