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Intelligent door lock is a compound lock with safety, convenience and advanced technology, which is improved on the basis of traditional mechanical lock. Intelligent door lock is the executive part of door locking in access control system. In the intelligent door lock control scheme, the embedded development of door lock is an important step, so as to realize wireless data conversion and wireless control in hardware. The smart door lock adopts embedded Wi Fi module products, with compatible...
With the successful launch of Shenzhou 12 spacecraft, the Chinese space station welcomed three Chinese astronauts into the space and core module of the space station. After entering the space station, the astronauts immediately arranged a new home and installed WiFi and other facilities, which is very convenient for the astronauts' life and work. The Tianhe core module can support astronauts to stay for a long time and carry out aerospace medicine and space science experiments and technology...
Honeywell mcs-8420 jetwave satellite communication system has obtained the supplementary model approval (vstc) issued by Civil Aviation Administration of China. Honeywell said that under the joint cooperation with Lufthansa technology, this type of satellite communication system will be used in the interconnection solution of Airbus A320 fleet of AVIC China. This is also one of the first batch of supplementary model certificates of commercial aviation interconnection solutions issued by the...
China Mobile launches FTTx's first centralized procurement: GPON domestic deployment According to people familiar with the matter, China Mobile's first FTTx centralized procurement tender has been launched in December 2009, and construction will reach 3 million lines in the first quarter of 2010. This marks that China Mobile is officially involved in the field of fixed broadband, and it will also promote GPON to enter the fast lane of domestic scale deployment. China Mobile FTTx's first...
In the past, many chapters introduced the PoE switch and its functions, roles, and uses. So what do you know about PON-PoE switches? From the point of view of the light, PON-PoE switches should be a combination of PON and PoE switches. The following ancestors of PON-PoE switches, Feng Runda Technology, will provide an introduction for everyone. A common PoE switch has several PoE power ports. The main function is to supply power and transmit data. The PON-PoE switch has several PON ports, that...
January 22 (Li Ming) Broadcom (hereinafter referred to as "Broadcom") announced that it officially launched the industry's first 10Gb Ethernet passive optical network (EPON) optical network unit (ONU) single-chip system (SoC) solution. Broadcom's 10Gbps BCM55030 single-chip system solution provides 10 times the bandwidth of the existing 1G EPON solution. It is very suitable for 4G / LTE mobile backhaul, supporting both guaranteed QoS bandwidth and timing allocation. In addition to standard 1G...
Chengdu Optronics Eugenlight Technologies has announced the production of the Combo PON OLT Quad-OSA optical device product line EO0410ETC that meets the D2 specification. Quad-OSA for Combo PON OLT Quad-OSA integrates two transceivers in one optical device: 2.5G 1490nm DFB laser and 1310nm APD for traditional 2.5G GPON and 10G 1577nm EML laser and 1270nm APD for XGPON And use WDM multiplexed to couple to the output optical port. This series of products released by Optoelectronics supports the...
ONU hardware design based on PAS6301 With the rapid development of the Internet, user Ethernet is widely used. For this reason, in December 2000, Ethernet equipment suppliers proposed a standard research plan for using PON Ethernet for access networks. This type of Ethernet using PON is called EPON. EPON (Ethernet Passive OpTIcal Network, Ethernet passive optical network) is a new type of optical fiber access network technology, which uses a point-to-multipoint structure, passive optical fiber...
On May 31st, at the China Optical Network Symposium, Zhang Chengliang, deputy chief engineer of the Beijing Research Institute of China Telecom Group, disclosed that the worldwide PON industry chain has rapidly matured recently, and optical fiber access has ushered in an inflection point to fully replace copper cable access. In the future, the domestic market will be dominated by FTTH and supplemented by FTTB, which will coexist for a long time and complement each other. The data shows that the...
GPON is a flexible Gigabit-level fiber access network proposed by ITU-T. It carries multi-services with ATM cells and GEM frames, and supports broadband full-service access for commercial and residential services. GEM (GPON EncapsulaTIonMethod) is similar to the general framing procedure GFP and is a GPON-specific package. It not only has the gigabit transmission capacity per second reflected in the name, but also a new PON technology that is fundamentally different from existing PON systems. 1...
With the gradual expansion of the commercial scale of Ethernet-based passive optical networks (EPON), interoperability testing between devices of different vendors and engineering acceptance testing and operation and maintenance of EPON systems have become increasingly urgent. For this reason, we have designed and developed the EPON tester. . This article analyzes the functional requirements of the EPON tester, briefly describes the overall framework of the EPON tester, and focuses on the...
The internal structure of the ONU broadband network box: The internal structure of the ONU broadband network box is divided into four parts: the power distribution area, the fiber fusion area, the ONU equipment area, and the distribution area. It is equipped with a corresponding cable management ring to facilitate the management of the subscriber line. Completely isolated. Distribution area: It is recommended that the distribution area be equipped with 10A 2P of the same grade or the same grade...
Radisys on Tuesday introduced its Combo PON Optical Line Terminal (OLT) as part of its Connect Open Broadband portfolio for broadband service providers. The complete family of Radisys OLTs includes 16 and 32-port versions—a variant of which is the Radisys white box Combo PON OLT that supports both G-PON (2.488 Gbps downstream / 1.244 Gbps upstream) and XGS-PON (10 Gbps symmetrical) within the same PON port of the OLT. The white box OLTs are based on the VOLTHA/SEBA reference architecture and...
BBF said that it has started the verification of xgs-pon optical network terminal (ONU) based on BBG. 247 ONU authentication project. Currently, eight products have been received and verified to see if they meet the ITU-T PON standard. According to the broadband forum, xgs-pon ONU will be tested in the LAN laboratory, and the ONU test platform of MT2 will be used to test the latest technologies, such as extended OMCI information format, enhanced unicast and multicast operation, capacity test...
1. Project overview The project is a new school. The construction content of the school includes the new six storey teaching complex building and the storm playground. The building area is 14500 square meters, including 13250 square meters of teaching and 1800 square meters of basement area. After the school is completed, nearly 1600 public primary schools will be offered in 32 classes. The network construction of this project is designed by all-optical network scheme. 2. Introduction of all...
The basic function of hospital information center is security and support. Under the tide of digital transformation, the responsibility of hospital information center has changed from "tool support" to "business empowerment". However, there is a development contradiction between the network infrastructure and business realization ability of the hospital and the business demand. "The demand for bandwidth is higher and higher; The demand of Cross Hospital connection is increasing, and the linkage...
According to the 2020 annual performance report of China Mobile (00941 HK), the total number of base stations has reached 5.14 million by the end of December 2020, the bandwidth of international and government enterprise special transmission network has reached 67.9tbps, and 100% of OLT equipment in urban areas above cities in China has Gigabyte broadband capability. Accelerate the construction of new infrastructure, and continue to improve the layout of 8 major areas of network cloud, the...
On March 12, 2021, the Ministry of Education issued the "digital campus construction standard (Trial)" for the purpose of promoting the action plan of education informatization 2.0, promoting the deep integration of information technology and education teaching, improving the level of information construction and application of colleges and universities, and supporting the development of high-quality education. The specification points out that in the aspect of infrastructure, "determine the...
MACOM technology solutions Inc. (MACOM) announced at the CIOE China Optical Expo on September 7 that it launched the industry's first and only complete solution portfolio for 10G passive optical network (PON) applications, enabling optical line terminals (OLT) and optical network unit (ONU) infrastructure. With MACOM's industry leading position in PON and mature industrial manufacturing capacity, MACOM's new 10g PON product portfolio enables seamless component integration and unparalleled...
Recently, Semtech, a leading supplier of high-performance analog, mixed signal semiconductors and advanced algorithms, announced the launch of its pon-x series gn28l97, which integrates laser driver (LDD) and limiting amplifier (LA) for asymmetric 10g PON optical network terminals (onus). Simon McCaul, senior marketing manager of Semtech signal integration products division, said: "10g PON technology is expected to start extensive deployment in 2020, and equipment manufacturers are increasingly...
C114 news, April 4 (lexis) recently, China Telecom announced that it will start the centralized purchase project of PON equipment in 2019. It is reported that there are three standard packages of GPON equipment, 10gepon equipment and xg-pon equipment, a new round of centralized purchase of PON equipment, and the port scale has reached a new high. Among them, the estimated procurement volume of GPON equipment is about 800000 OLT ports and about 4 million ONU (including MDU / MTU / SBU) broadband...
Recently, the GPON ONU hg6145d and hg6543c5 of Fiberhome Communication Technology Co., Ltd. have passed the phase-2 test of IPv6 ready core protocol in the next generation Internet National Engineering Center Global IPv6 test center, and won the IPv6 ready logo phase-2 Certificate (logo ID: 02-c-002079 80）。 This indicates that the implementation of IPv6 core protocol of the above products has fully complied with IETF RFC standards, and its consistency and interoperability have been verified by...
On June 18, CICC disclosed the basic information record form of Chengdu Ruiyuan Semiconductor Technology Co., Ltd. (hereinafter referred to as "Ruiyuan semiconductor"). According to the disclosure, Ruiyuan semiconductor plans to make an initial public offering and be listed on the growth enterprise market. It has accepted the guidance of China International Finance Co., Ltd. and has carried out the guidance and filing on June 9, 2021. According to the data, Ruiyuan semiconductor is a domestic...
Trend 2: High capacity of all-optical network transmission links In the direction of DWDM, the current transmission link from the traditional C-band 80 waves can be expanded to C+ band 96 waves and extended C+ band 120 waves at a small cost and technical transformation, and can obtain 20% and 50% expansion gains, and the latest The trend is to expand the C+ band 120 waves and the L+ band 120 waves, a total of 240 waves, and the expansion gain is expected to be as high as 200%. However, Wei...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.