| 单词 | pointer |
| 释义 | pointer An identifier that indicates the position of an item of data within a frame. In a SONET frame, for example, a pointer indicates the position of a Virtual Tributary (VT) within a Virtual Tributary Group (VTG).The pointer also serves a synchronization function. See also data, frame, SDH, SONET, synchronize, VT, and VTG. |
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