FEATURES
s E1 Line Interface Unit s No Crystal Needed for Jitter Attenuation s Meets CTR-12/TBR-12 Jitter Tolerance and Attenuation Requirements s Meets ITU-T G.775 Requirements for LOS and AIS s Meets the BS6450 Transmitter Short-Circuit Requirements for E1 APPLICATIONS
s AWG for User Programmable Pulse Shapes s Line Quality Monitoring Function s TX Driver High Impedance / Low Power Control s AIS and LOS Monitoring s Generation and Detection of Loop Up / Loop Down Signaling s Selectable HDB3 Encoding/Decoding s Selectable Unipolar or Bipolar I/O s Compliant with: — ITU-T Recommendations: G.703, G.732, G.775, I.431 — ETSI ETS 300 011, 300 233, CTR 12, TBR 13 — TR-NET-00499 DESCRIPTION
Also, the CS61318 is pin and function compatible with the Level One LXT318. In addition to a basic hardware control mode, a host mode is available that gives the user an enhanced functionality via a serial microprocessor interface. The extended features include custom pulse shape generation, AIS and LOS monitoring functions, signal strength monitoring, and generation and detection of loop up and loop down codes.
Cirrus Logic
