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显示标签为“adsl splitter”的博文。显示所有博文

2015年1月24日星期六

The introduction of fixed head

Cable sealing sleeve is a suitable connection cable power supply, also can protect the cable, so it won't escape. Cable sealing device is placed in different categories,depending on whether the glands for general processing industry or in need of protection, prevent the risk is too high or the explosion temperature. Into the armored cate5e network cable glands or no armoring layer and a different type of gland will be required for each variety. The gland itself, can be made of metal, such as copper or aluminum, or plastic, the material is useful in different environments.
When the electrical work is completed, it may be no cable sealing, to ensure theelectrical equipment wire, but there are several reasons, this is a bad idea. Glandsprovide sealing power, so as to ensure that the RCA audio cable will not slip during operation.Security is also provided, because the mini displayport cable gland to ensure that electricity can not attached to anyone nearby, causing bodily harm. Glands usually provide other safety features, such as the earth wire or insulated cable.
To have two categories: Industrial and hazardous for RCA video cable sealing. Industrial cablesealing joint is a general use of the gland, in order to meet the requirements ofgeneral risk, so it is useful or dangerous explosion in high-temperature environments.If the environment is harmful substances, the use of dangerous gland, because these glands to meet additional requirements necessary. They are fortified with extra, so that they can resist common glands cannot withstand the temperature and external forces.
Two types of cables can be sealed sleeve is classified as armored or unarmoredcable into, which will play glands work will rebound. Armored cat6 ethernet cable will need a gland,can clip into the wire, and the ability to terminate the energy from the armor part. Nonarmoured line does not require termination, but the glands need highly protected andpreserved, in order to maintain the safety of wire.
Most cable gland cell is made from brass, which is considered, as a general materialis resistant to corrosion and electrical conductivity. In the aluminum and the presence of moisture at the same time, the corrosion of brass can start. Brass is often associated with other metal plating, to make the gland is stronger, better corrosion.Plastic is often used as an alternative to metal glands.

2015年1月4日星期日

Hdmi cable uses

Hdmi cable wire is used to transmit high-definition multimedia video signal. hdmi cable can be high-quality transmission of uncompressed HD video and multi-channel audio data, the maximum data transfer speed of 5Gbps. At the same time without the signal before transmission / A or A / D conversion, can guarantee the highest quality audio and video signal transmission. Transmission principle HDMI cable 2HDMI data cable data lines Mini hdmi cable line has a "plug and play" feature, automatically, "negotiation", automatically selects the most appropriate video / audio formats between the signal hdmi cable for ps3 source and the display device. Volume DVI HDMI interface, compared with the smaller, and can simultaneously transmit audio and video signals. DVI cable length can not be more than eight meters, otherwise it will affect the picture quality, but HDMI can transmit as far as 15 meters. As long as an HDMI cable, you can replace up to 13 analog transmission line, a home entertainment system can effectively solve the tangled mess behind the wiring problem.

Advantages of micro hdmi cable

micro hdmi cable 1.3 version: 1, adds support for new lossless compressed digital audio formats Dolby TrueHD and DTS-HD Master Audio?'s. 2, the higher the refresh rate: 1920x1080 resolution in the same pattern, micro hdmi cable 1.3 offers 165Hz refresh rate than the dual channel DVI interface 120Hz refresh rate higher. micro hdmi cable 1.4 version: 1, Ethernet Channel: HDMI Specification 1.4 adds data path in the cable, and to achieve vga to hdmi cable two-way high-speed transmission. This function in the coupling device, the Ethernet cable can be used to speed 100Mb / s transmission and reception of data, and the equipment immediately becoming IP-based devices. HDMI Ethernet Channel will allow an integrated Internet-enabled HDMI devices without the use of additional Ethernet cable, you can share mini HDMI cable its Internet connection with other HDMI devices. This new feature also provides HDMI devices to share content between required interconnection architecture. 2, higher resolution: support 3840 × 2160 24Hz / 25Hz / 30Hz; 4096 × 2160 24Hz resolution. The new specification supports 4096 × 2160 resolution, making the HDMI interface to transmit content at the same resolution as many digital theaters used. The dual-channel DVI interface can support up to 2560x1600 resolution.

2014年4月17日星期四

WISDOM 12 port patch panel How to use

What do I need a high-density patch panels network is constantly expanding, the cable also unwittingly increase. Network Storage Rack is usually the weak in every building room (room or with the security of the main wiring / devices). The room area is fixed, along with the growing number of cables, many network administrators face the crowded cable racks and WISDOM 24 port patch panel  limited room space do nothing, how can the room tidy, well-organized layout design? 12 port patch panel is a huge problem faced by users. The solution to this problem solution for high-density wiring. First, from the design point of view
 One thing cabling requirements do not know if you noticed not, the point is that the information requirements of data, voice, points can be exchanged when necessary, that same voice point, without changing the wiring of the situation by jumper selection Voice or data is determined. Thus, when the wiring point voice and data points are the same, 12 port patch panel design is very easy, no considered separately, the device can be unified.
  If cost is not an important consideration, the receipt of all the information points rj45 patch panel, and then decide on  WISDOM adsl splitter a jump by a jumper switch or voice patch panel (can be either 110 stg and other types of voice module). Of course, this is not considered a design costs, but also a thorough and voice or data terminals are considered design. Actual use is still very small. In most cases 12 port patch panel or to consider the difference between voice and data, and specific approaches there are many.
Second, from a construction point of view
  Large engineering information points very much, between switching equipment and cabling systems can be connected using a jumper construction management becomes more convenient, also very clean the cabinet, after  WISDOM hdmi splitter  all, much shorter jumper. Detection is also a lot of convenience.
Third, management of maintenance
 In fact, in this area are very concerned about the large-scale users, patch panels can effectively improve work efficiency, reduce troubleshooting time. For fast and convenient way to use it to replace the terminals provided.