| 摘要 |
The present invention concerns a modular, portable device (1) to measure or test components in optical networks. It contains a base module (2) with base electronics, which features controls and a display device on the front; at least one function module (5, 6), which is attached by means of a mechanical interface to the outside of the back (4) of the base module (2), and contains a functional unit with measurement or test electronics, which work together with the base electronics through a functional interface, wherein the function module (5, 6) is detachably joined to the base module (2) and, depending on the application, may be replaced with another function module (5, 6) with another functional unit.
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