Overview
Introduction
Introduction
The HDLC.FRAME Protocol is part of the Advanced Communications Controller (ACC) family of products This manual provides configuration information that is specific to that protocol.
There are differences in the use of the HDLC.FRAME protocol, which depend on the type of physical interface in use. The physical interface types fall into one of two categories. These are “E1/T1” and all other types (for example “RS232” or”X.21”). Throughout this document these categories are referred to as E1/T1 or
Product Features
The HDLC.FRAME protocol adds HDLC framing (including the checksum) to outgoing messages and strips the HDLC framing (including the checksum) from incoming messages. The HDLC.FRAME protocol performs frame checksum processing.
The HDLC.FRAME protocol is fully defined in the following ISO standards document:
ISO 3309 HDLC Procedures - Frame Structure
Fifth edition
Reference number ISO/IEC 3309:1993(E)
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