High-level Data Link Control
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OmniAccess 5740 Unified Services Gateway CLI Configuration Guide
CHAPTER 13 HIGH-LEVEL DATA LINK CONTROL
This chapter comprises the commands required to configure a High-level Data
Link Control (HDLC) encapsulation on a T1 or E1 interface or a Serial Interface
(V.35/X.21). You are required to refer to the “T1E1 Line Card” and “Universal
Serial Port (USP) Line Card” chapters before proceeding to this.
This chapter includes a conceptual overview of HDLC and covers an introduction
of HDLC architecture with the steps involved to configure HDLC encapsulation
with the necessary commands. To get an in-depth view on the description of the
argument-list or parameters and the default values, refer to the OmniAccess
5740 Unified Services Gateway CLI Command Reference Guide.
This chapter is divided into the following sections:
• “HDLC Overview”
• “HDLC Configuration”
The “HDLC Overview” serves as an additional information on the HDLC protocol.
You can skip this section, and go straight to configuration steps.
CHAPTER CONVENTIONS
Acronym Description
HDLC High-level Data Link Control
ICM Interface Configuration Mode - ALU (config-interface name)#
SUM Super User Mode - ALU#