Alcatel-lucent & nortel networks optical transmission equipment repair services Beijing dingdianbaiwei electronic technology co., ltd is an established professional reseller, repairer, and refurbisher of telecom equipment. As this is our only business, we strive to be the best. Products from most major manufacturers such as alcatel-lucent, lucent are covered under repair program. Our repair department is highly knowledgeable and experienced, and you can always depend on a quick turnaround on your repair. All telecom parts are quality tested and carry our standard, one-year warranty. Dingdian’s single-source solution includes repair of a wide range of equipment including but not limited to: Nortel networks Atm Passport 7400, passport 15000 Sdh Dx , om4000 , om3500, ome6500, ome6500-bb, tn-1x, tn-16x Dwdm Lh1600, lh360g, om5000 Data Passport 4400, passport4460, passport 6400, passport 8600 Alcatel-lucent Sdh 1626lm , 1642emux, 1643amx , 1660sm , 1662smc , 1663adm , 1678mcc , 1692mse , 1696ms , 1830pb , 1830tss , 1850tss , awy-odu Ddn 7670ese, 7470msp, 7270msc , 3600mainstreet Lucent technologies Atm Gx550, cbx500 , cbx3500 Sdh Adm41, ism, slm
We are keep offering new and used nortel modules at a low price, including om3500/om5200/om4200/om6500/dx/7480/7440/6440/8k/5k and much more. Please email if you need. Jingjingzheng@ding-dian.Com Ntca02bk0016608041e0ntca06ppnt0h01md Ntca03fa90822214ntca06pqnt0h01na Ntca03fk90822216ntca06qpnt0h01nb Ntca03hk qpa139dantca06qqnt0h01nc Ntca03mk qpa152cntca06rlnt0h01nd Ntca03va09a000757ntca06rpnt0h01pa Ntca03vk25gmu0075gwvntca06sknt0h01pb
QCall is a convenient phone calling tool. It supports making calls from your personal computer (PC) directly, so that you can spare the efforts of dialing the phone numbers on your telephone. You can move the mouse cursor to the phone numbers to dial it directly or you can press a combination hotkey to make the call without dialing the numb
Destinator navigation software.
Communications equipment spare parts.
GRES is an intelligent and modular power supply equipment integrating lithium battery and MPCS. According to different application scenarios, lithium battery, bidirectional DC / AC converter, bidirectional DC / DC converter, Static switch and Power management system can be arbitrarily combined to realize grid connected power supply, off grid power supply and off grid uninterrupted power supply power supply, static reactive power compensation, harmonic suppression and other functions. The system can have access to new energy, power grid, diesel generator and to rreasonable configuration, scientific utilization, to provide users with green, environmental protection, noise free, high reliability and high security power services. Safe and reliable High quality li-ion cell for mobile use Laser welding connection with high strength and low impedance Cells is designed with PC holders and reinforce steel structure to guarantee the highest safety of the system in transportation, installation and operation Damping pad design to improve the impact resistance of the system IP54 safe and reliable operation in outdoor environment Serially designed PCS and battery pack eliminates circulating current and improve system reliability. Integrated BMS,DC, AC multi-layer protection, maximum safety performance design Efficient and Convenient Integrated system, standard modular power module and battery module, easy for installation, maintenance and capacity expantion Easy access to PV and diesel generator, intelligent muli-energy management. Fixed on the ground or mounted on vehicle, can be loaded and unloaded by forklift and hoisted by lifting ring Multi systems could be connected in parallel Cost optimization One investment, multiple benefits:Peak shaving, backup power supply, microgrid building,power quality improving and energy storage,etc. Small size, light weight, less space and installation cost Long cycle life, low failure rate, reduce operation and maintenance investment Maximize green energy utilization. Rated output power: 100KW Rated energy: 150KWH
GRES is an intelligent and modular power supply equipment integrating lithium battery and MPCS. According to different application scenarios, lithium battery, bidirectional DC / AC converter, bidirectional DC / DC converter, Static switch and Power management system can be arbitrarily combined to realize grid connected power supply, off grid power supply and off grid uninterrupted power supply power supply, static reactive power compensation, harmonic suppression and other functions. The system can have access to new energy, power grid, diesel generator and to rreasonable configuration, scientific utilization, to provide users with green, environmental protection, noise free, high reliability and high security power services. Safe and reliable High quality li-ion cell for mobile use Laser welding connection with high strength and low impedance Cells is designed with PC holders and reinforce steel structure to guarantee the highest safety of the system in transportation, installation and operation Damping pad design to improve the impact resistance of the system IP54 safe and reliable operation in outdoor environment Serially designed PCS and battery pack eliminates circulating current and improve system reliability. Integrated BMS,DC, AC multi-layer protection, maximum safety performance design Efficient and Convenient Integrated system, standard modular power module and battery module, easy for installation, maintenance and capacity expantion Easy access to PV and diesel generator, intelligent muli-energy management. Fixed on the ground or mounted on vehicle, can be loaded and unloaded by forklift and hoisted by lifting ring Multi systems could be connected in parallel Cost optimization One investment, multiple benefits:Peak shaving, backup power supply, microgrid building,power quality improving and energy storage,etc. Small size, light weight, less space and installation cost Long cycle life, low failure rate, reduce operation and maintenance investment Maximize green energy utilization. Rated output power: 50KW Rated energy: 75KWH
The 19 inches rack standard backup battery is based on Lithium iron phosphate battery, It has been designed to provide backup power for telecom equipment or energy storage system in household. It has excellent safety, high energy density, long lifetime, very nice temperature performance, green power newly of excellent safety and high reliability. Custom capacity is acceptable. High cycle life 4000 cycles @80% DoD for effectively lower total of ownership cost. Longer service life Low maintenance batteries with stable chemistry. Built in circuit protection Battery Management System (BMS) is incorporated against abuse. Better storage Up to 6 months thanks to its extremely low self discharge (LSD) rate and no risk of sulphation. Quickly recharge Save time and increase productivity with less down time thanks to superior charge/discharge efficiency. Extreme heat tolerance Suitable for use in a wider range of applications where ambient temperature is unusually high: up to +60C. Lightweight Lithium batteries provide more Wh/Kg while also being up to 1/3 the weight of its SLA equivalent. Function Support parallel operation
The wall mounted Lithium battery (LiFePO4 Battery) solutions are highly integrated, deep cycle backup power solutions for your solar home energy storage system. With rich experience and advanced techniques, the product has the features of the fashionable design, high energy, high power density, long service life, and easiness of installation and expansion. Custom capacity is acceptable. High cycle life 4000 cycles @80% DoD for effectively lower total of ownership cost. Longer service life Low maintenance batteries with stable chemistry. Built in circuit protection Battery Management System (BMS) is incorporated against abuse. Better storage Up to 6 months thanks to its extremely low self discharge (LSD) rate and no risk of sulphation. Quickly recharge Save time and increase productivity with less down time thanks to superior charge/discharge efficiency. Extreme heat tolerance Suitable for use in a wider range of applications where ambient temperature is unusually high: up to +60C. Lightweight Lithium batteries provide more Wh/Kg while also being up to 1/3 the weight of its SLA equivalent. Function Support parallel operation
The wall mounted Lithium battery (LiFePO4 Battery) solutions are highly integrated, deep cycle backup power solutions for your solar home energy storage system. With rich experience and advanced techniques, the product has the features of the fashionable design, high energy, high power density, long service life, and easiness of installation and expansion. Custom capacity is acceptable. High cycle life 4000 cycles @80% DoD for effectively lower total of ownership cost. Longer service life Low maintenance batteries with stable chemistry. Built in circuit protection Battery Management System (BMS) is incorporated against abuse. Better storage Up to 6 months thanks to its extremely low self discharge (LSD) rate and no risk of sulphation. Quickly recharge Save time and increase productivity with less down time thanks to superior charge/discharge efficiency. Extreme heat tolerance Suitable for use in a wider range of applications where ambient temperature is unusually high: up to +60C. Lightweight Lithium batteries provide more Wh/Kg while also being up to 1/3 the weight of its SLA equivalent. Function Support parallel operation
Features : 3 times peak power, excellent loading capability. Combine inverter/solar controller/battery all in one. Multiple output : 2*AC output socket, 4*DC 12V, 2* Working mode AC prior/ECO mode/Solar prior selectable AC charging current 0 1 0A selectable. LVD/HVD/Charging voltage adjutable, suitable for kinds of battery Adding fault code to monitor real time work situations Continuous stable p ure sine wave output with inbuilt AVR stabilizer . Digital LCD and LED for visualization of operation status of the equipment. Inbuilt automatic AC charger and AC mains switcher, stwitch time 4ms
The 19 inches rack standard backup battery is based on Lithium iron phosphate battery, It has been designed to provide backup power for telecom equipment or energy storage system in household. It has excellent safety, high energy density, long lifetime, very nice temperature performance, green power newly of excellent safety and high reliability. Custom capacity is acceptable. High cycle life 4000 cycles @80% DoD for effectively lower total of ownership cost. Longer service life Low maintenance batteries with stable chemistry. Built in circuit protection Battery Management System (BMS) is incorporated against abuse. Better storage Up to 6 months thanks to its extremely low self discharge (LSD) rate and no risk of sulphation. Quickly recharge Save time and increase productivity with less down time thanks to superior charge/discharge efficiency. Extreme heat tolerance Suitable for use in a wider range of applications where ambient temperature is unusually high: up to +60C. Lightweight Lithium batteries provide more Wh/Kg while also being up to 1/3 the weight of its SLA equivalent. Function Support parallel operation
Input Voltage 12V / 24V DC optional Output Voltage 115V / 230V AC optional Portable power for AC products, AC outlets for connecting multiple loads High surge capacity for products that require more power to start High efficiency converts virtually all of the battery's power to AC Mounting brackets for convenient installation Heavy duty stud-connection mounting RS232 communication port WIFI/BMS Optional Overload and over temperature shut down Low voltage and over voltage alarm/cut off Input reverse protection Short circuit protection PI15 series is a pure sine wave inverter, high frequency machine solution, the product is small size, the solution is reliable and stable, the main function is to invert the DC 12VDC battery or 24VDC battery to AC 230VAC or AC 115VAC output, mainly used for emergency use Electricity, car inverter, outdoor electricity and other occasions.
Industrial communication products, products mainly include industrial wireless router, industrial switch, industrial wireless access point, 4g\5g router and other equipment.Oem & odm
.News wire service
Optical communication products, optical fiber cables, optical transceiver modules, optical splitter adapter connectors, communication cables, power cables, power cable tool products, data communication equipment, video and audio transmission broadband multimedia equipment, computers and supporting equipment, power electronic products.
Switches, routers, servers, storage, video conferencing, voice communication, firewalls, ip phones.
Computer equipment, communication and electronic devices, various electrical equipment, various electronic products, cpus, electronic components, hard drives, memory, routers, cameras, various building materials, hardware products, metal building materials, decoration raw materials, steel, steel bars, cement, all household goods, furniture, industrial production raw materials, chemical raw materials, industrial production machinery, automobiles, motorcycles, bicycles and various accessories, medical supplies, various office equipment, agricultural products, various foods, household appliances, glass ceramics, etc. as long as they can be produced in china, we accept order inquiries.Agency trade, cooperation, supply procurement, brand agency
GRES is an intelligent and modular power supply equipment integrating lithium battery and MPCS. According to different application scenarios, lithium battery, bidirectional DC / AC converter, bidirectional DC / DC converter, Static switch and Power management system can be arbitrarily combined to realize grid connected power supply, off grid power supply and off grid uninterrupted power supply power supply, static reactive power compensation, harmonic suppression and other functions. The system can have access to new energy, power grid, diesel generator and to rreasonable configuration, scientific utilization, to provide users with green, environmental protection, noise free, high reliability and high security power services. Safe and reliable High quality li-ion cell for mobile use Laser welding connection with high strength and low impedance Cells is designed with PC holders and reinforce steel structure to guarantee the highest safety of the system in transportation, installation and operation Damping pad design to improve the impact resistance of the system IP54 safe and reliable operation in outdoor environment Serially designed PCS and battery pack eliminates circulating current and improve system reliability. Integrated BMS,DC, AC multi-layer protection, maximum safety performance design Efficient and Convenient Integrated system, standard modular power module and battery module, easy for installation, maintenance and capacity expantion Easy access to PV and diesel generator, intelligent muli-energy management. Fixed on the ground or mounted on vehicle, can be loaded and unloaded by forklift and hoisted by lifting ring Multi systems could be connected in parallel Cost optimization One investment, multiple benefits:Peak shaving, backup power supply, microgrid building,power quality improving and energy storage,etc. Small size, light weight, less space and installation cost Long cycle life, low failure rate, reduce operation and maintenance investment Maximize green energy utilization. Rated output power: 150KW Rated energy: 225KWH