简介： Complete DS1/ISDN-PR1 transceiver Short- and long-haul trunk capability Independent send and receive functions 32-bit or 128-bit jitter attenuator DSX-1 and CXU line build-outs D4, ESF, and SLC-96R framing Dual onboard elastic buffers connect to backplanes up to 8.192MHz Programmable output clocks for Fractional T1 8-bit parallel control port can be muxed or nonmuxed Extracts/inserts robbed-bit signals Detects/generates yellow and blue alarms Onboard FDL support circuitry Generates/detects CSU loop codes ANSI one's density monitor/enforcer Path and line error counters, including BPV, CV, CRC6, and framing bit errors Pin-compatible with DS2153Q Operating ranges: 5.0V 0°C to +70°C (DS2151Q) -40°C to +85°C (DS2151QN)