MH89770 Overview
The MH89770 is a plete T1 interface solution, meeting the Extended Super Frame (ESF), D3/D4 and SLC-96 formats. The MH89770 interfaces to the DS1 1.544 Mbit/sec digital trunk and has the capability of meeting ACCUNET®1 T1.5 wander tolerance (138 UI). The MH89770 is a pin-patible enhancement of the MH89760B.