早期的网桥、协议转换器和路由器都是简单的专用硬件设备，通常是通过直接连接到该设备本身串口的终端来配置的。
Early network Bridges, protocol converters, and routers were simple dedicated hardware units typically configured through a terminal directly connected to a serial port on the unit itself.
一个简单的示例是服务器直接连接到两个SAN存储端口。
A simple example is a server connecting directly to two SAN storage ports.
这些SCA模块通过SCA wiring metaphor直接连接在一起，形成了一个简单的端到端同步解决方案。
These SCA modules are connected together directly using the SCA wiring metaphor to form a simple end-to-end synchronization solution.
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