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4
Printing History
The manual publishing date and part number indicate its current
edition. The publishing date will change when a new edition is
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First EditionNovember 1996Release B.02.22 & 23
(HP-UX 10.10 & 10.20
Second EditionJune 1997Release B.02.39 (HP-UX 10.10
Release B.02.40 (HP-UX 10.20
Third EditionOctober 1998Release B.03.01 (HP-UX 11.0
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 non-E1/T1.
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 1993-12-15
Reference number ISO/IEC 3309:1993(E)
14Chapter1
Overview
Supported Devices
Supported Devices
The HDLC.FRAME protocol implementation maybe used to supportany
protocol which requires HDLC framing conforming to the above
published standard at the physical layer.
Modes of Operation
The HDLC.FRAME implementation supports a single mode of operation:
• Two way continuous communication (normal)
Data Rules
This release of the HDLC.FRAME protocol product is qualifiedfor use at
line speeds up to the limit set by the interface card hardware.
Chapter 115
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