PM4319

• Monolithic device which integrates 8 T1/J1 or E1 short haul line interface circuits.
• Software-selectable between T1/J1 and E1 operation on a per-device basis.
• Meets or exceeds T1/J1 and E1 short haul network access specifications including ANSI T1.102, T1.403, T1.408, AT&T TR 62411, ITU-T G.703, G.704 as well as ETSI 300-011, CTR- 4, CTR-12 and CTR-13.
• Provides encoding and decoding of B8ZS, HDB3 and AMI line codes.
• Provides clock recovery and line performance monitoring.
• Provides transmit and receive jitter attenuation.
• Provides support for redundancy.
• Provides digitally programmable pulse templates.
• Provides a selectable, per channel independent de-jittered T1 or E1 recovered clock for system timing and redundancy.
• Provides PRBS generators and detectors on each tributary for error testing at DS1 and E1 rates as recommended in ITU-T O.151.
• Provides an 8-bit microprocessor bus interface for configuration, control, and status monitoring.
• Provides line and digital loopback modes.
• Supports programmable inband loopback codes.
• Uses line rate system clock.
• Provides an IEEE 1149.1 (JTAG) compliant test access port (TAP) and controller for boundary scan test.
• Provides a microprocessor-readable general purpose input pin and a microprocessor-writable general purpose output pin.