ADTRAN control processor

Model: 1200222L1

ADTRAN - Control processor - ISDN, HDLC, Frame Relay, X.25 - plug-in module

Certain Atlas 800 Plus applications require a large number of High-level Data Link Control (HDLC) controllers. The HDLC Module contains 128 HDLC controllers and is used when the application requirements call for more HDLC controllers than are provided with the other Atlas 800 Plus hardware components. The application determines whether an HDLC Module is necessary. An HDLC controller is required to process an ISDN D channel, an ISDN B channel or a Frame Relay link.

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