optical multiplexer

Maintenance Aspects 1 Each use of optical drive, the disc will inevitably strip into some dust, dust if falling to the laser emitter, will cause the optical drive to read the data difficult, affecting the quality and life of the laser head reading disk, but also affect the optical drive internal mechanical components of precision, so indoor must be kept clean, r

The optical fiber access network is still quite common. So I studied the learning notes about the optical fiber access network and shared them here. I hope they will be useful to you. FTTH), as the name suggests, means that the optical fiber access network directly enters the residence or office space of each user. The Backbone

Common Faults of optical drive, in addition to the decrease in the reading capacity of aging bare heads, also have some uncommon mechanical faults. I have encountered an example recently. One Optical Drive, good reading capability, has never been repaired. Recently, according to the warehouse, I feel the slow response of the optical drive, the slow pop-up of t

The enterprise network includes all the networks that are not telecom operators, and the enterprise network can be subdivided into LAN, metropolitan area network and WAN. Most of the LAN are used to connect the various nodes, and the network card is Ethernet card, so exactly, optical + Ethernet, will be the next generation of IP metropolitan area Network development trend.By integrating existing urban fibre-optic resources, build a broadband IP metrop

At present, the optical fiber access network has been widely used in urban construction. So I have studied the principles and precautions for the construction of the urban optical fiber access network. I would like to share with you here and hope it will be useful to you. With the increasingly fierce competition in the communication industry, business development is also becoming more and more diversified,

Wiring skills-how to reduce the loss of Optical Fiber splices Definition: a certain amount of loss occurs when the light is transmitted to the connector after the optical fiber connection is established. Cause: the optical fiber fusion loss is mainly composed of the transmission loss of the optical fiber and the fusion

Wiring system in the link floor of the trunk, due to the number of small, currently widely used multimode quartz fiber, and in the horizontal direction, there is not a suitable medium can not only provide enough bandwidth, but also has both a convenient installation, low cost, strong anti-interference ability and so on. The new fiber-optic networks with plastic optical fibers (POF) have all the advantages. The diameter of the plastic fiber is generall

High-density optical fiber management faces two challenges: protection and maintenance. Nowadays, with the surge in data services, people have higher requirements on the number and capacity of data transmission, and the construction of large data centers is also growing, with 10 Gb transmission gradually being used. It is understood that 10g transmission methods include 10G optical fiber and 10g copper cab

Failure phenomenon: When the optical drive problems, the general performance of the optical drive is flashing, can not read disk or read disk performance decline; When the optical drive reads the disk, the blue screen crashes or displays "Unable to access the disc, the device is not ready" and so on. The following, the author according to the CD-ROM installation

, large enterprises, government agencies, institutions, and other branches have their own local area network, and how reliable and secure interconnection between the LAN, forming the national and even the global group user intranet, to achieve office networking, improve efficiency, This also requires network operators to provide good quality and price solutions. In the connection of the special line interconnection, at present, the domestic 2M below the use of Ddn and FR, with the increase in

advent of optical fiber communication technology, the large potential bandwidth capacity of nearly 30THz has brought the flourishing opportunity to the communication field, especially since the information superhighway was put forward, the optical technology began to permeate the whole communication network, and the optical fiber communication has the trend of a

The rapid development of optical network technology has brought people completely transparent access capabilities and unlimited bandwidth resources. However, in order to truly take advantage of the advantages of light technology, service providers also need to optimize and integrate IP services to ultimately build a light Internet that suits the future business development needs. This is the initial reason for the generation of IP optimized

1. Optical Fiber TypeSilica B1.1 single-mode optical fiber.2. operating wavelengthCapacity Indicators meeting the 13l0nm and 1550nm transmission windows3. Cut-off wavelengthThe λ c value tested on 2 m coated optical fiber is 1100cm ~ The λ cc value tested on 22 m fiber cables is less than or equal to 1270nm.4. Geometric PropertiesMold Field Diameter: nominal valu

The increasing requirements on network transmission capacity have promoted the further development of the 10 Gbit/s system. The IEEE Institute of Electrical and Electronics Engineers (IEEE) provides a description of the system configurations in LAN) and WAN in 802.3ae in terms of 10-bit Ethernet technical specifications.When the transmission speed of a Multimode system driven by an LED is 622 Mbit/s, the 10Git/s system can take full advantage of the cost-effective vertical resonator Surface Emit

China Telecom Shanghai (hereinafter referred to as Shanghai Telecom) disclosed its goal after broadband acceleration when it announced that it would start its fifth broadband acceleration this year, it is planned that the coverage of optical networks will increase by 1 million to 7.8 million, and the number of optical network users will increase by 1 million to 3.6 million. At the same time, Shanghai Teleco

Comprehensive analysis of the differences between optical fiber cables, network cables and cables In network hardware, another kind of media that can't be ignored is the network transmission media, which is usually called a network cable. Currently, common cables include thin twisted pair wires, optical fiber cables, coaxial cables, and coarse coaxial cables. 1. optic