注：所有总线端子电从K总线/ E总线隔离。 K总线/ E总线是这样，从一切电气隔离。
Ethernet connection
Ethernet Connection以太网连接
The connection to the Ethernet bus is made via an RJ45 connector (a western plug). 到以太网总线的连接是通过一个RJ45连接器（西方插头）制成。
Cabling综合布线
Connection via a switch经由开关连接
Connect the PC's network card to the hub using a standard Ethernet cable, and connect the hub, again using a standard Ethernet cable, to the Bus Terminal controller. Connection via a switch is done in the same way.
PC的网卡连接到使用标准以太网电缆的枢纽，连接枢纽，使用标准以太网电缆再次，总站控制器。经由开关连接被以相同的方式完成的。
Direct connection between PC with Ethernet card and BK910x
与以太网卡和BK910x PC之间的直接连接
A standard Ethernet cable must be used for connecting the PC directly with the Bus Terminal Controller.
Pin assignment of the RJ45 plug
Ethernet topologies
Ethernet topologies以太网拓扑
BK9053
Because the BK9053 owns only one port the set up has to be done in classic star topology. 因为BK9053只拥有一个端口的设置，必须在经典星形拓扑做
BK9103
The BK9103 features an internal triple switch with two external ports and one internal port. The internal switch facilitates creation of a line topology. A maximum of 20 BK9103s can be connected in series in a physical line. The maximum distance between two BK9103s is 100 meters. The maximum overall line length is therefore 2 kilometers. No further switch may be included in this line.
该BK9103具有内部的三重开关，两个外部端口和一个内部端口。内部开关可用于创建线型拓扑结构中。最多20 BK9103s可以串联连接在一条物理线路。 2 BK9103s之间的最大距离为100米。因此，最大总线路长度为2公里。没有进一步的开关可以被包括在该行。
The BK9103 also enables a classic star topology to be set up. In this case the second port is not used. Both port interfaces are equivalent.
该BK9103还使经典的星型拓扑结构进行设置。在这种情况下，第二端口不使用。这两个端口的接口是相同的。
Ethernet cable
Ethernet Cable以太网电缆
Transmission standards传输标准
10Base5
The transmission medium for 10Base5 consists of a thick coaxial cable ("yellow cable") with a max. transmission speed of 10 MBaud arranged in a line topology with branches (drops) each of which is connected to one network device. Because all the devices are in this case connected to a common transmission medium, it is inevitable that collisions occur often in 10Base5.
用于10BASE5传输介质包括粗同轴电缆（“黄线”）与最大的。 10 MBd的排成一排拓扑分支（滴），每个传输速度被连接到一个网络设备。因为所有的设备都在这种情况下，连接到一个公共的传输介质，这是不可避免的碰撞中10BASE5常有发生。
10Base2
10Base2 (Cheapernet) is a further development of 10Base5, and has the advantage that the coaxial cable is cheaper and, being more flexible, is easier to lay. It is possible for several devices to be connected to one 10Base2 cable. It is frequent for branches from a 10Base5 backbone to be implemented in 10Base2.
10Base2的（细缆）是10BASE5的进一步发展，并且具有的优点是所述同轴电缆是便宜并且，是更灵活，更容易铺设。它有可能为多个设备被连接到一个10Base2的电缆。它是频繁用于从10BASE5骨干分支到10Base2的实施。
10BaseT
Describes a twisted pair cable for 10 MBaud. The network here is constructed as a star. It is no longer the case that every device is attached to the same medium. This means that a broken cable no longer results in failure of the entire network. The use of switches as star couplers enables collisions to be reduced. Using full-duplex connections they can even be entirely avoided.
描述双绞线电缆10 MBd的。该网络在这里被构建为一个明星。它不再是，每一个设备被连接到同一介质的情况下。这意味着，一个破碎的电缆不再会导致整个网络的故障。使用交换机作为星形耦合器能够碰撞有所减少。使用全双工连接它们甚至可以完全避免。
100BaseT
Twisted pair cable for 100 MBaud. It is necessary to use a higher cable quality and to employ appropriate hubs or switches in order to achieve the higher data rate.
双绞线电缆100 MBd的。有必要使用较高的电缆质量并采用适当的集线器或交换机，以实现较高的数据速率。
10BaseF
The 10BaseF standard describes several optical fiber versions. 该10BaseF的标准描述了几个光纤版本
Short description of the 10BaseT and 100BaseT cable types 10BaseT和100BaseT的电缆类型简短说明
Twisted pair copper cable for star topologies, where the distance between two devices may not exceed 100 meters. 双绞线铜缆的星型拓扑结构，在两个设备之间的距离不能超过100米。
UTP
Unshielded twisted pair
This type of cable belongs to category 3, and is not recommended for use in an industrial environment. 非屏蔽双绞线
这种电缆属于3类，因此不推荐用于工业环境中使用。
S/UTP
Screened/unshielded twisted pair (screened with copper braid)
Has a general screen of copper braid to reduce influence of external interference. This cable is recommended for use with Bus Couplers. 屏蔽/非屏蔽双绞线（屏蔽铜线编织）