| 摘要 |
An input detector detects the bit rate and signal type of multiple signals at corresponding multiple interface ports. A master controller coupled to the detector sends control signals to different types of framers such that signals received at one of the multiple interface ports is operated on by a framer corresponding to the signals format type. In addition, an Ethernet aggregator may combine multiple Ethernet frames of different sizes into a single frame so when it is mapped into a SONET frame, essentially all of the SONET frame is used. A SONET mapper generates and inserts information into a frame that identifies the contents of the information contained therein. At a receiving end, the mapper can determine from this information the contents, and can instruct a controller which framer/unframer to send the frame information to.
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