PACiS GTW GTW/EN T/C40, Техническое руководство

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Communication GTW/EN CT/C40
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Transmission speed (monitor direction):
Unbalanced interchange
circuit V.24/V.28
Standard
Unbalanced interchange
circuit V.24/V.28
Recommended if >1 200 bit/s
Balanced interchange
circuit X.24/X.27, V35
S
100 bit/s
S
2 400 bit/s
N
2 400 bit/s
S 200 bit/s S 4 800 bit/s N 4 800 bit/s
S 300 bit/s S 9 600 bit/s N 9 600 bit/s
S
600 bit/s
S
19 200 bit/s
N
19 200 bit/s
S 1 200 bit/s S 38 400 bit/s N 38 400 bit/s
N 56 000 bit/s
S 64 000 bit/s
2.4 Link layer (Network-specific parameter)
(Network-specific parameter, all options that are used should be filled up (
N
=>
S
). Specify
the maximum frame length. If a non-standard assignment of class 2 messages is
implemented for unbalanced transmission, indicate the type ID and COT of all messages
assigned to class 2.)
Frame format FT 1.2, single character 1 and the fixed time out interval are used exclusively
in this companion standard.
Link transmission procedure Address field of the link
S Balanced transmission S Not present (balanced transmission
only)
S Unbalanced transmission S One octet
S Two octets
N Structured
S Unstructured
Frame length
255 (configurable) Maximum length L (number of bytes control direction)
255 (configurable) Maximum length L (number of bytes monitor direction)
Repetition parameters
S
Number of repetitions on non acknowledge frame
S Maximum time between information frame and controlling station
acknowledgement.