N1655B Dual Line DS3/1, E3/1 Test Module (PDH) [단종]
Keysight's Dual Line DS3/1, E3/1 Test Module is the ideal tool for quickly developing, installing and maintaining DS3, DS1, E3 and E1 voice, data and multiplexed voice/data network services.
The Service Advisor High Speed Optical Test Set features two SONET/SDH test modules to to quickly and easily test and troubleshoot optical and electrical network services at rates up to OC-48/STM-16.