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Product Description
ETP4890-A2 is a box DC power supply system with a wide range of application scenarios. It can be compatible with three rectifier modules: 15A high efficiency, 15A standard efficiency and 30A high efficiency. Each functional unit of ETP4890-A2 system adopts standardized size design, and different power units are mixed to form different configuration of box power supply. The system can adapt to wide range AC input, and has perfect battery management and remote monitoring functions.
Basic parameters
Rated capacity: 45A/90A
AC input voltage: 85-300 VAC, rated voltage: 220 VAC
AC input frequency: 45-65Hz, rated value: 50Hz/60Hz
Power factor: > 0.99
Output voltage: 42-58 VDC, default output 53.5 VDC
Access Line & Maintenance: Pre-operation and Pre-maintenance
Rectifier module: 15A/30A
Heat Dissipation Mode: Natural Heat Dissipation
Installation: 19-inch rack, 21-inch rack or embedded cabinet installation
Protection Level: IP20
Environmental indicators
Operating Temperature: -40 ~+70 Temperature
Working humidity: 5%-95%(no condensation)
Altitude: 0-4000m (in the range of 2000-4000m, the temperature index decreases by 1 C for every 200 m increase)
AC Distribution
AC input mode: 380V three-phase/220VAC single-phase/110V double-fire line
AC output: not involved
AC input lightning protection: not involved
DC Distribution
Battery branch: 1 x80A open
Load branch BLVD: 1 x 10A open, 1 x 32A open, 2 x 40A open
Load Protection Branch LLVD: Not involved
Monitoring Unit
Perfect Battery Management Battery Floating Charge Management Battery Temperature Compensation
Real-time alarm light/LCD
System Control Rectifier Module Voltage/Current Adjustment Rectifier Module Switcher Controls Battery Turn on and Off
Sleep management, according to the load size, automatically adjust the sleep mode of rectifier module, reduce energy consumption
Remote monitoring
Support dry contact alarm output (optional signal transfer box)
Support RS232/RS485/Ethernet
Default configuration:
Input:100-120V / 200-240V
Output:48V;90A
Rectifier module: R4830G1/R4830N2 3PCS
Monitoring module SMU01C 1PCS
Apply to:Huawei/Fiberhome/ZTE OLT
Product Features
• Rectifier module meets CE, TUV and UL standards
• High rectifier efficiency over 96% helps to save energy, derated output above 55℃;
• Small size, high power density
• Wide range AC input voltage
• Perfect module dormancy function
• Perfect battery management function
• The system module supports non-destructive hot-swap Technology
• Smooth capacity expansion
• Remote monitoring function
Product application





Zibo XingWei communication equipment co., LTD. is a professional engaged in computer network communications industry sales of high-tech enterprises is a leading domestic focus on optical fiber communications, security monitoring, integrated wiring equipment development manufacturing and sales service in the integration of high-tech enterprises, products widely used in China telecom, China mobile, China unicom, such as the Great Wall broadband communications operators, as well as electricity, radio and television, transportation, education, defense, aerospace, chemical, petroleum, medical and other industries.



1. What is your main products?
Our main products include:
A: Huawei,ZTE, Fiberhome OLTs,ONUs,Business Board ,and Mini olt
B: CATV EDFA, 1550nm/1310nm optical transmitters, optical receivers, FTTH optical node, CATV amplifiers…
C:Huawei,H3C Network Switches. Huawei DWDM optical transmission...
D:Fiber optic accessories,like fast connectors,adapters,splitters,drop cable,patch cord...
2. Does your EPON/GPON OLT/ONU compatible with other brand onus?
Yes, all our OLT/ONUs are with open protocol, it can compatible with all ONU/OLTs with open protocol
3. What is the standard of WIFI?
There are two antennas, one is external, the other one is internal. Integrated 802.11b/g/
4. Do you have dual band WIFI ONU? Do you have 802.11a/n/ac ONU?
Yes, we can provide you Huawei/ZTE/Fiberhome ONU with dual band WIFI.
5. Could you provide the whole solution for FTTH/FTTB and so on?
Yes, we also provide all products (with competitive price.
6. Could you provide technical support?
Yes, we have engineers provide technical support for 7*24 hours.
7. Could you OEM/ODM for us? Including the packing?
Yes, of course. But it needs MOQ.
8. I don’t have express account, could you calculate the freight for me?
No problem, we have cooperated with many forwarders with competitive freights, no matter you want to ship by DHL/FedEx/TNT/UPS, or by air, by boat, we can meet your request.
9. Can we get a lower price? Any Discount?
Yes, price is not a problem, everything could be negotiated based on the quantity.
10. What is your MOQ?
No MOQ.
11. How about the Warranty?
1-3 year
12. What is the lead time of my order ?
Sample order 0-7work days; Bulk order 0-20 working days after receiving payment.
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