- PDH Test Module
With the demand for new voice and data services growing at an unprecedented rate, Agilent's Dual Line DS3/1, E3/1 Test Module (PDH) for the Service Advisor is the ideal tool for quickly developing, installing and maintaining DS3, DS1, E3 and E1 voice, data and multiplexed voice/data network services. PDH Test Module - N1655B

STM-4/OC-12 SDH/SONET Module
- Offered as a highly integrated test capability to design, commission and maintain today's high-speed SDH and SONET services, the Agilent STM-4/OC-12 SDH/SONET Optical & Electrical Test Module for the Service Advisor enables users to quickly and easily test and troubleshoot network services