DS2186 - Dallas Semiconducotr

DS2186 Transmit Line Interface

The DS2186 T1/CEPT Transmit Line Interface Chip interfaces user equipment to North American (T1–1.544 MHz) and European (CEPT–2.048 MHz) primary rate communications networks. The device is compatible with all types of twisted pair and coax cable found in such networks. Key on–chip components include: programmable wave shaping circuitry, line drivers, remote .

Features

PIN ASSIGNMENT TAIS ZCSEN TCLKSEL LEN0 LEN1 LEN2 VDD TTIP TRING VSS 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 LCLK LPOS LNEG TCLK TPOS TNEG LB MTIP MRING LF
• Line interface for T1 (1.544 MHz) and CEPT (2.048 MHz) primary rate networks
• On
  –chip transmit LBO (line build out) and line drivers eliminate external components
• Programmable output pulse shape supports short
  – and long
  –loop applications
• Supports bipolar and unipolar input data formats
• Transparent B8ZS and HDB3 zero code suppression modes
• Compatible with DS2180A T1 and DS2181A CEPT Transceivers DS2141A T1 and DS2.