A Activity diagram used in UML 6/9 and SysML B Bachman diagram Booch used in software engineering Block diagram Block Definition Diagram BDD used in SysML C Carroll diagram Cartogram Catalytic cycle Chemical equation Curly arrow diagram Category theory diagrams Cause-and-effect diagram Chord diagram Circuit diagram Class diagram from UML 1/9 Collaboration diagram from UML 2.0 Communication diagram from UML 2.0 Commutative diagram Comparison diagram Component diagram from UML 3/9 Composite structure diagram from UML 2.0 Concept map Constellation diagram Context diagram Control flow diagram Contour diagram Cordier diagram Cross functional flowchart D Data model diagram Data flow diagram Data structure diagram Dendrogram Dependency diagram Deployment diagram from UML 9/9 Dot and cross diagram Double bubble map used in education Drakon-chart E Entity-Relationship diagram ERD Event-driven process chain Euler diagram Eye diagram a diagram of a received telecommunications signal Express-G Extended Functional Flow Block Diagram EFFBD F Family tree Feynman diagram Flow chart Flow process chart Flow diagram Fusion diagram Free body diagram G Gantt chart shows the timing of tasks or activities used in project management Grotrian diagram Goodman diagram shows the fatigue data example: for a wind turbine blades H Hasse diagram HIPO diagram I Internal Block Diagram IBD used in SysML IDEF0 IDEF1 entity relations Interaction overview diagram from UML Ishikawa diagram J Jackson diagram K Karnaugh map Kinematic diagram L Ladder diagram Line of balance Link grammar diagram M Martin ERD Message Sequence Chart Mind map used for learning, brainstorming, memory, visual thinking and problem solving Minkowski spacetime diagram Molecular orbital diagram N N2 Nassi Shneiderman diagram or structogram a representation for structured programming Nomogram Network diagram O Object diagram from UML 2/9 Organigram Onion diagram also known as "stacked Venn diagram" P Package diagram from UML 4/9 and SysML Parametric diagram from SysML PERT Petri net shows the structure of a distributed system as a directed bipartite graph with annotations Phylogenetic tree - represents a phylogeny evolutionary relationships among groups of organisms Piping and instrumentation diagram P&ID Phase diagram used to present solid/liquid/gas information Plant Diagram Pressure volume diagram used to analyse engines Pourbaix diagram Process flow diagram or PFD used in chemical engineering Program structure diagram R Radar chart Radial Diagram Requirement Diagram Used in SysML Rich Picture R-diagram Routing diagram S Sankey diagram represents material, energy or cost flows with quantity proportional arrows in a process network. Sentence diagram represents the grammatical structure of a natural language sentence. Sequence diagram from UML 8/9 and SysML SDL/GR diagram Specification and Description Language. SDL is a formal language used in computer science. Smith chart Spider chart Spray diagram SSADM Structured Systems Analysis and Design Methodology used in software engineering Star chart/Celestial sphere State diagram are used for state machines in software engineering from UML 7/9 Swim lane Syntax diagram used in software engineering to represent a context-free grammar Systems Biology Graphical Notation a graphical notation used in diagrams of biochemical and cellular processes studied in Systems biology System context diagram System structure Systematic layout planning T Timing Diagram: Digital Timing Diagram Timing Diagram: UML 2.0 TQM Diagram Treemap U UML diagram Unified Modeling Language used in software engineering Use case diagram from UML 5/9 and SysML V Value Stream Mapping Venn diagram Voronoi diagram W Warnier-Orr Williot diagram Y Yourdon-Coad see Edward Yourdon, used in software engineering
RJ45接口类型 RJ45接口常用于以太网接口，支持10M和100M自适应的网络交换速度。 常见的RJ45接口有两种类型，用于以太网网卡、路由器等接口类型的DTE，还有就是用于交换机等类型的DCE类型。 当两种设备使用RJ45通信连接时，必须使用交叉线连接。
RJ45与RJ11水晶头（公头） 左为常见的RJ45水晶头，右为常见的RJ11水晶头。 RJ这个名称代表已注册的插孔（Registered Jack），是来源于贝尔系统的USOC (Universal Service Ordering Codes，通用服务分类代码) 代码。
我猜题主应该没干过网络工程。 与USB相比， RJ45 多了一个卡扣。在插网线的时候应该会听到卡塔的声音。 网线插上以后，在卡扣的作用下，是无法直接把网线拔出来的，必须要捏一下卡扣才行。 试想一下，当你把几十条网线一起拽动的时候，USB接口的不知道会有多少根脱落了。然后，你就得钻进去 ...
RJ45是支持万兆的，例如带RJ45接口的超六类网线和七类网线，都是可以支持万兆的。 是有这两类网线时需要参考具体的使用环境，如果是家庭使用，常规的超六类网线可以满足绝大部分要求，如果是在严苛的工业环境中使用，更建议使用屏蔽型超六类或七类网线。
rj45插座是一种网络专用的连接器，此rj45插座主要是由头接头、 水晶头 和插座模块组成。而且针对于 rj45 插座的内部会有8个凹以及8个触点感应，因此在对于rj45插座的使用上就要和rj45插座配置使用。具体的可以去TXGA网站看看RJ45连接器的相关产品
rj45相比梯形com口，更小巧更灵活，价格更便宜。 更重要的是可以就地取材， 串口线 不够长时，随便找根网线就能延长。 最简单的串口只要三根线即可， 协议实现 简单。 有些网络设备也会多提供一个网口做配置口，而且只能用来配置，不能转发业务报文。
rj45水晶头 水晶头是一种能沿固定方向插入并自动防止脱落的塑料接头，外壳材料采用高密度聚乙烯，因其外表晶莹透亮，所以俗称"水晶头"，专业术语叫作RJ 45连接器。 RJ 是Registered Jack的缩写，意思是“注册的插座”。 在FCC (美国联邦通信委员会标准和规章)中的定义是，RJ是描述公用电信网络的 ...
第一，RJ45有mini接口。 第二，RJ45是工程级接口，跟消费级接口USB没啥可比性。（当然比工程级更牛逼的也有，比如航空航天级…） 先说Mini RJ45，在我印象中，联想和华为都有类似的产品，面向专业用途。 Thinkpad x1carbon上有迷你网口。Mini RJ45
RJ45只是一个接口类型。 RJ45里面是什么接线定义都有可能。 题主这个RJ45口根据描述是CAN和485共用，那么只需要查看其中八个脚分别是什么定义，再拿一根双绞的RJ45线缆按对应的定义脚压上 水晶头，插进RJ45口就行了。 485 两根线接在同一组 双绞线 上。
RJ50 接口是一种较小的网络接口，通常用于连接电话线和网络设备，例如调制解调器和路由器。它只有 4 个针脚，用于传输语音和低速数据信号。 RJ45 接口是一种较大的网络接口，通常用于连接以太网设备，例如计算机、交换机和路由器。它有 8 个针脚，用于传输高速数据信号。
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