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The TOSHIBA UTNH23A is an 8-port optical shared hub designed for industrial network communications. As a MasterA unit, it provides reliable fiber-optic connectivity with high noise immunity for harsh environments. Featuring robust construction and stable performance, this hub supports real-time data transmission in automation systems. Its compact design and efficient operation make it ideal for factory automation, process control, and other industrial networking applications requiring secure optical communication.
Product Specifications
General Specifications:
Model: UTNH23A MasterA
Type: 8-port optical shared hub
Manufacturer: Toshiba
Network Standard: Compliant with industrial Ethernet protocols
Transmission Method: Optical fiber communication
Port Configuration: 8 optical ports (ST connectors)
Operating Temperature: -10°C to +60°C
Storage Temperature: -20°C to +75°C
Humidity Range: 10% to 95% (non-condensing)
Vibration Resistance: 5.9 m/s² (10-55 Hz)
Shock Resistance: 147 m/s² (11 ms duration)
Protection Class: IP20 (indoor use)
Performance Characteristics:
Transmission Speed: 10/100 Mbps auto-negotiation
Maximum Network Distance: 2km (multimode fiber)
Wavelength: 1300nm
Optical Output Power: -20dBm to -14dBm
Receiver Sensitivity: -31dBm minimum
Data Security: Full duplex transmission with collision avoidance
Latency: <10μs
Jitter: <1ns
Reliability Features:
MTBF: >100,000 hours
Redundancy: Optional dual power supply support
Fault Detection: Port-level link monitoring
Diagnostic LEDs: Per-port status indicators
Hot Swappable: Supports module replacement without shutdown
Noise Immunity: Excellent EMI/RFI protection
Power Requirements:
Input Voltage: 24VDC ±10%
Power Consumption: <15W typical
Power Connector: Removable terminal block
Isolation: 1500V AC between power and communication circuits
Mechanical Specifications:
Dimensions: 200mm (W) × 120mm (H) × 60mm (D)
Weight: Approx. 1.2kg
Mounting: DIN rail or panel mounting
Cooling: Natural convection (fanless design)
Material: Metal casing for EMI protection
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