DS21Q43A framer equivalent, 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 independe.
Detects and generates AIS, remote alarm, and remote multiframe alarms Pin-compatible with DS21Q41B Quad T1 Framer 5V sup.
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