• The CP5004 is one of the ETLINK series chips designed by Chiphomer Technology Limited. It is a 4-channels short-haul PCM transceiver with reference clock of 2.048MHz (E1) or 1.544MHz (T1/J1), contains four independent receivers and four independent transmitters on a single chip.

• Four channel E1/T1/J1 LIU

• 3.3V supplies with 5V tolerant I/O

• Ultra low power consumption, 120mw per channel (typ.)

• Crystal-less jitter attenuator

• Constant throughput delay

• Meets ITU G.736, G.742, G.823 and ETSI CTR12/13 specification

• Optimized for SDH applications, meets ITU G.783 mapping jitter specification

• LOS detector meets ITU G.775, ANSI T1.231 and ETSI ETS 300 233

• Provides non-intrusive Protected Monitoring Points (PMP) per ITU G.772

• Transmits return loss exceeds ETSI ETS 300166

• Supports 100ohm T1, 110ohm J1, 75ohm E1 coaxial and 120ohm E1 twisted pair applications

• Programmable Waveform shaper

• AMI or HDB3/B8ZS encoder/decoder

• Line coding error counting and insertion

• Analog, digital ,remote and inband Loopback test functions

• Hitless Protection Switching (HPS) for 1 to 1 protection without relays

• JTAG boundary scan test port meets IEEE 1149.1

• Selectable parallel/serial host interface

• Hardware and software control modes

• Pins and internal register compatible with CP5009

• 144 pin LQFP package

SDH tributary interfaces、SONET/SDH multiplexers、Digital access cross connects、Microwave transmission systems、PBX interfaces、E1-E3 MUX