TXC04228 Overview
The T1Mx28 is a 28-channel byte-synchronous and asynchronous DS1 mapper. Four field-proven DS1MX7 DS1 Mapper chips are interconnected in a single pact package to permit higher application board densities. Both SONET and SDH mappings are provided per Bellcore GR253-CORE (VT1.5) and ITU G.707 3-96.
TXC04228 Key Features
- Twenty-eight independent 1.544 Mbit/s DS1 mappers
- Single/dual byte-parallel Tele Bus @ 6.48 MHz (28 slots) or 19.44 MHz (84 slots)
- Floating VT1.5 byte-synchronous mapping with signaling only for use with or without a slip buffer
- Asynchronous mapping for DS1
- SONET mapping (VT1.5) or SDH mapping (VC-4/AU-3/TU-11)
- AMI or B8ZS codec for DS1s, or NRZ
- Serial I/O for control of DS1 line interface transceivers or framers
- Tele Bus and DS1 loopbacks with integral PRBS generator and analyzer
- VT1.5/TU-11 pointer tracking and generation
- VT1.5/TU-11 overhead processing and insertion