Publication: Magyar Közlöny
Issue: MK-2009-104 (Year: 2009, Number: 104)
Era: 2004-2010
Section: 
Paragraph Index: 1978

b) if a transmission block is not acceptable, the receiving station shall send DLE, a colon, an optional prefix, and NAK. 8.6.3.6.2.6 Recommendation.— Slave responses should be interleaved between message blocks and transmitted at the earliest possible time. 8.6.3.6.3 LINK TERMINATION PROCEDURE 8.6.3.6.3.1 If the link has been established for message transfers in either or both directions, the sending of EOT by a station shall signal the end of message transfers in that direction. To resume message transfers after sending EOT, the link shall be re-established in that direction. 8.6.3.6.3.2 EOT shall only be transmitted by a station after all outstanding slave responses have been received or otherwise accounted for. 8.6.3.6.4 CIRCUIT DISCONNECTION 8.6.3.6.4.1 On switched connections, the data links in both directions shall be terminated before the connection is cleared. In addition, the station initiating clearing of the connection shall first announce its intention to do so by transmitting the two-character sequence DLE EOT, followed by any other signals required to clear the connection. 8.6.3.7 DESCRIPTION OF SYSTEM CATEGORY C (CENTRALIZED) System category C (centralized) is one (like system category A) in which a number of stations are connected by a multipoint link and one station is designated as the control station but (unlike system category A) provides only for centralized (computer-to-terminal) operations where message interchange (with replies) shall be constrained to occur only between the control and a selected tributary station. 8.6.3.7.1 LINK ESTABLISHMENT PROCEDURE 8.6.3.7.1.1 To establish the link for transmission the control station shall either:

Source: https://magyarkozlony.hu/hivatalos-lapok/1f7c6b0e16b4b71a92e5ad24416008bbe2e26aab/dokumentumok/710811d1f7f958a2990684d0cbf918e84f5497e5/letoltes