NEN-ISO 7809
Data communication - High-level data link control procedures - Consolidation of classes of procedures
| Organization: | NEN |
| Publication Date: | 1 August 1985 |
| Status: | inactive |
| ICS Code (Data link layer): | 35.100.20 |
scope:
This International Standard describes the HDLC unbalanced classes of procedures and the HDLC balanced class of procedures for synchronous data transmission. Balanced operation is intened for use in cirumstances which require equal control at either end of the data link. Operational requirements are covered in accordance with the overall HDLC architecture. The procedures use the HDLC frame structure defined in ISO 3309 and the HDLC elements of procedures described in ISO 4335.
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