DS21Q44 framer equivalent, enhanced quad e1 framer.
Four E1 (CEPT or PCM-30) /ISDN-PRI framing transceivers All four framers are fully independent; transmit and receive sections of each framer are fully independent Frames .
Integral HDLC controller with 64-byte buffers configurable for Sa bits or DS0 operation Detects and generates AIS, remot.
The DS21Q44 E1 is an enhanced version of the DS21Q43 Quad E1 Framer. The DS21Q44 contains four framers that are configured and read through a common microprocessor compatible parallel port. Each framer consists of a receive framer, receive elastic st.
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