is similar to the RJ-11 telephone line in shape and exterior, but wider, due to the difference in size between the two (for 4 or 6-pin, RJ45 for 8-pin connectors ), obviously, the RJ45 plug cannot be inserted into the jack. In turn, it is physically feasible (the plug is smaller than the RJ45 jack), which makes people mistakenly think that the two should or can
The RJ45 interface is typically used for data transmission, and the most common application is the NIC interface.
RJ45 is a type of different joints; RJ45 head According to the order of the line there are two different ways, one is orange white, orange, green, blue, blue, white, green, brown, Brown, the other is green, white, green, orange, blue, blue, white, or
Google has quickoffice the document editing software to iOS and Android devices, which cost 19.99 of dollars before users can use it to edit Microsoft Office documents.
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Google bought the Quickoffice in June 2012, and its purchase price was not officially disclosed. The software is well integrated into Google Drive and Google Docs, and so on. Except to make Quickoffice free, Google will also give Google Drive
Application of RJ45 short circuit ring on gigabit Nic1. Topic OriginFor those who often work on multiple operating systems, using Windows as the host system with Vmware Workstation is already a standard Workstation. I personally traveled back and forth between Windows and Linux and used the notebook configuration as Windows 7 as the host, VMWare Workstation 9 to install the Virtual Machine CentOS and OpenBSD. Virtual Machine network connection is set
We know that the cable is the basis of the network, if you do not well identify the use of the cable, you will not become a qualified engineer.The BNC cable is the copper shaft cable that we use for CCTV, which is used today as a signal input/output probe in an oscilloscope, although the appearance and the traditional cable are somewhat different, but the function is similar. It is mainly used in the network between the operator optical end machine to the router this link, is commonly known as t
Let's talk about the playing style and Tactics of RJ45 line sequence.
The wiring standards of EIA/TIA define the line sequence 568a and 568b of the two twisted pair wires.568a standard:Green white -- 1, green -- 2, orange white -- 3, blue -- 4, blue white -- 5, orange -- 6, brown white -- 7, brown -- 8568b standard:Orange white -- 1, orange -- 2, green white -- 3, blue -- 4, blue white -- 5, green -- 6, brown white -- 7, brown -- 8
Note:568a:Green
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RJ45 connector:
Used for Ethernet (Ethernet 10/100/1000 m UTP/STP Interface), commonly used in Category 5 unshielded twisted pair wires. RJ-45 is also used for other interfaces such as ISDN, pins are defined differently.
Listen 48 connector:
Used to connect T1, E1 serial lines, usually using shielded twisted pair wire; RJ-48 can also support pin3, pin6 Grounding Conn
RJ45 the definition and standards of the relevant provisions.
RJ45 is a commonly used name, referring to the standardization of IEC (60) 603-7, using a modular jack or plug of 8 locations (8 pins) defined by the International connectors Standard. IEC (60) 603-7 is also the ISO/IEC 11801 International General cabling Standard Connection hardware reference standard.
ISO/IEC 11801 standards regarding t
Author: it.com. cnhttp: // www.ccw.com.cn 19:26:19 I want to comment (0)
Many people (including the author) think that 10 Base-T 10 m networks use four of the eight signal lines in the network cable, the 100 Base-t m uses all eight signal lines (or how fast ?). However, when the author recently used a 10 m direct connection method (switching between 1 and 3, 2 and 6, and shielding the other four lines) to connect the network cable, unexpectedly, it was found that the Network was being transmitte
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When dealing with computer networks, it is inevitable that network cables should be used frequently. In fact, the production of Network cables is very simple, that is, to insert the 4-to-8-Core Cable of twisted pair wires into the crystal head
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Compared to Category 5 cable and 5e cable, 6 kinds of cables are not susceptible to crosstalk and external EMI noise. Industrial Ethernet cables are designed to withstand the physical erosion of cables by a more severe industrial environment. When installing type 6 cables, ensure that the RJ45 connectors and sockets are also up to 6 classes. The best way to do this
development of the relevant standard of copper cabling and the use occasion.
Second, the standard development direction of copper cable wiring system
In the Gigabit 1000base-t and the following Ethernet transmission medium, CAT5e, Cat6 and so on copper twisted pair line has the absolute superiority, along with the copper cable twisted line as the transmission medium 10GB (million Gigabit) Ethernet IEEE 802.3an The 10GBASE-T specification was formal
The 3560X module has four options for configuration.1.4 Gigabit SFP C3KX-NM-1G2. Or 20 thousand mb sfp + C3KX-NM-10G3. Or 10 thousand mb sfp +, 2 Gigabit SFP C3KX-NM-10G4. or 2 10Gb-T, RJ45 interface C3KX-NM-10GT
WS-C3560X-48T-SCatalyst 3560X48 Port Data IP Base 1S356XVK9TN-15001SECAT 3560X ios universal no macsec with web based dev mgr 1C3KX-NM-10GTCatalyst 3K-X 10G-T Network Module 1CAB-3KX-AC-CNAC Pow
To increase the capacity of C disk is often encountered in such cases, such as my computer hard drive now has four partitions, namely C, D, E, F, I want to increase the capacity of C disk 10GB, and D and E disk space is very limited, can not allocate 10GB capacity to C disk, only F disk has ample capacity can give C disk 10GB capacity, How do you do it? In fact d
The local area network is the individual computer or the terminal, uses the communication line to connect each other, follows certain agreement, carries on the information exchange, realizes the resource sharing. Among them, communication lines, that is, transmission medium commonly used: twisted-pair, coaxial cable, optical fiber and so on. From the cost-performance and maintainability, most LANs use unshielded twisted pair (utp-unshielded Twisted Pair) as the transmission medium to network.
T
"pass" and "impassability" line order problem. Many users in the wiring often appear one is to use one by one of the corresponding error connection method, when the connection distance is short, the system does not appear connection fault. However, when the connection distance is long, the network is busy or high-speed running, it is easy ..., its core is to let 3 and 62 pins for the same pair (according to T568A or T568B standard to link). In Ethernet, it is commonly used in two pairs of twist
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