| 摘要 |
<p>A device for testing the operation of communication networks, specifically MS-SPRING optical fiber communication networks, which comprises traffic protection means. According to the invention, modulation and measurement elements (A, BK, CHKR, CHKT) are provided, which elements can be driven by a processor (PC) to execute automatic test of the operation of traffic protection means (12) for one or more rings (1, 11) of the optical fiber communication network. <IMAGE></p> |
