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Power Distribution Network Communication Terminal Box
Power Distribution Terminal Box with 24V DC Output ≥85% Efficiency and 96 Core ODF Capacity for Network Communication
Product Overview
The distribution network communication terminal box is a critical component of the power distribution automation system, primarily designed to enable data acquisition, communication transmission, and remote control functions within the distribution network.
This product provides dedicated, stable, and reliable 24V DC backup power supply for the data networks ONU and industrial switchgear used by distribution automation terminals, metering terminals, smart distribution terminals, and other connected devices in distribution communication applications. It ensures continuous operation of distribution data network equipment for ≥8 hours after power outages, along with sufficient ODF capacity, thereby guaranteeing the stability and reliability of the dedicated data network system for power distribution networks.
Common Application Scenarios
Ring main unit/switchyard: Equipped with DTU terminals for monitoring the status of medium-voltage distribution networks and optimizing power allocation.
Distribution Unit
Technical Parameters
AC input voltage: 187 V to 242 V
Output rated voltage: DC 24 V (range: 18 V to 36 V)
Output current: ≥5 A
DC Output Terminals: 2 channels
Work efficiency: ≥85%
Rated capacity: ≥6 Ah
Number of charge cycles: ≥2000 cycles
Protection board functions: overcharge, overdischarge, and overload protection
Reliability: MTBF ≥ 100,000 hours
Operating temperature range: -20°C to 85°C
Electromagnetic Compatibility (EMC): Complies with EMC Level 4
Communication Interface
The power monitoring unit and lithium battery pack monitor feature both local and remote monitoring interfaces.
Provides two independent 10/100 M network interfaces
Remote monitoring protocol: Supports Modbus TCP
High-density ODF Optical Fiber Splicing Distribution Unit
Technical Parameters
Insertion loss: ≤0.2 dB
Return loss: ≥50 dB
Operating temperature: -25°C to +55°C
Direct flame resistance rating: UL94V-0
Dimensions (mm): 88*483*250
Melt fusion plate dimensions (mm): 25x288x180
Product Features
Suitable for installation on 19/21-inch standard racks and cabinets.
Optical cables can be inserted into the chassis from either the left or right side, top or bottom, or front or back, suitable for both ribbon and non-ribbon types.
Insert-type adapter installation: Suitable for LC adapters, with the adapter installed at a 30° angle to the front of the chassis to prevent direct arc light exposure and facilitate cable routing.
The incoming and outgoing ends of optical cables, distribution fiber optic splices, and patch cord splices are independent of each other and do not interfere with one another.
Each core is clearly labeled to ensure distinct and orderly wiring, facilitating management of fiber optic tails and jump fibers.
Terminal Box Specifications
Parameter
Specification
External Dimensions
850*600*400 mm (height * width * depth)
Installation Method
Wall-mounted
Box Capacity
17U
ODF Capacity
96 cores
Power Distribution Unit
Input: 1 AC channel, 1 DC channel
Output: 2 channels, 24 V DC
Back-up Battery: 24V/6Ah (Lithium Iron Phosphate)
Box Material
Hot-dip galvanized steel plate
Optical fiber insertion loss
≤0.2 dB
Fiber optic loss
≥50 dB
Working temperature
-20℃~+85℃
Flame Retardancy Grade
UL94V-Class 0
Operative Norm
YD/T778-2011 Optical Fiber Distribution Frame
YD/T 1537-2015: External cabinets for communication system users