MH89790B Description
The MH89790B is Mitel’s CEPT PCM 30 interface solution, designed to meet the latest CCITT standards PCM 30 format with CRC-4. The MH89790B provides a plete interface between a 2.048 Mbit/sec digital trunk and Mitel’s Serial Tele Bus, the ST-BUS. The MH89790B is a pin-patible enhancement of the MH89790, permitting the removal of the tuneable inductor and inclusion of the external NAND gate used for generating RxD.
MH89790B Key Features
- plete primary rate 2048 kbit/s CEPT transceiver with CRC-4 option Selectable HDB3 or AMI line code Two frame elastic buf