DS21Q42 Datasheet - Dallas Semiconducotr

DS21Q42 Enhanced QUAD T1 FRAMER

The DS21Q42 is an enhanced version of the DS21Q41B Quad T1 Framer. The DS21Q42 contains four framers that are configured and read through a common microprocessor compatible parallel port. Each framer consists of a receive framer, receive elastic store, transmit formatter and transmit elastic store. .

DS21Q42 Features

* Four T1 DS1/ISDN

* PRI/J1 framing transceivers All four framers are fully independent Each of the four framers contain dual two

* frame elastic store slip buffers that can connect to asynchronous backplanes up to 8.192 MHz 8

* bit parallel control port that can be used directly on

DS21Q42 Datasheet (1.28 MB)