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.
Keysight's DSL TIMS provides comprehensive testing in a flexible, versatile tool for evaluating outside plant, line qualifications, physical layer testing, and troubleshooting.
N1676A OC-12/STM-4 Optical & Electrical Test Module [단종]
The Keysight 622/155 Mbps SONET/SDH Optical Test Module for the Service Advisor enables users to quickly and easily test and troubleshoot 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.