Eicon Networks S52 Guía de usuario Pagina 82

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Key Packet Formats
page 80
Clear Confirmation Packet Format
The format for a Clear Confirmation Packet is shown below. Octets consist of bits numbered
7 to 0 where bit 0 is the low order bit and is transmitted first. Octets are consecutively
numbered starting from 1 and are transmitted in this order. The General Format Identifier can
be coded 0001 for modulo 8 or to 0010 for modulo 128. See the CCITT X.25 Recommendation
for details.
*Semi-octet of zeroes is present only if combined total digits in DTE address block is odd
General Format ID Logical Channel Group
Logical Channel Number
Packet Type Identifier
0 0 0 1 0 1 1 1
Calling DTE Address Length Called DTE Address Length
Called DTE digit-1 ...
Callled DTE digit-n Calling DTE digit-1
Calling DTE digit-2 ...
Calling DTE digit-n 0* 0 0 0
Facility Length
Facilities
...
Clear Confirmation Packet Format
Bit
7 6 5 4 3 2 1 0
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