PACiS GTW GTW/EN T/C40, Техническое руководство

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Communication GTW/EN CT/C40
PACiS Gateway Page 27/64
Acquisition of transmission delay
(Station-specific parameter)
N Acquisition of transmission delay
Management events priorities
(Station-specific parameter)
N Digital Inputs, Step-position, Analogues Inputs and Integrated Totals, management
events priorities.
Definition of time outs
Parameter Default value Remarks Selected value
t
0
30s Time out of connection establishment configurable
t
1
15s Time out of send or test APDUs configurable
t
2
10s Time out for acknowledges in case of
no data messages t
2
< t
1
configurable
t
3
20s Time out for sending test frames in
case of a long idle state configurable
Maximum range of values for all time outs: 1 to 255 s, accuracy 1 s
Maximum number of outstanding I format APDUs k and latest acknowledge
Parameter Default value Remarks Selected value
K 12 APDUs Maximum difference receive sequence
number to send state variable configurable
W 8 APDUs Latest acknowledge after receiving w I-
format APDUs configurable
Maximum range of values k: 1 to 255 APDUs, accuracy 1 APDU
Maximum range of values w: 1 to 255 APDUs, accuracy 1 APDU (Recommendation: w
should not exceed 2/3 of k).
Portnumber
Parameter Value Remarks
Portnumber 2404 In all cases, but configurable in Registry
RFC 2200 suite
RFC 2200 is an official Internet Standard which describes the state of standardization of
protocols used in the Internet as determined by the Internet Architecture Board (IAB). It
offers a broad spectrum of actual standards used in the Internet. The suitable selection of
documents from RFC 2200 defined in this standard for given projects has to be chosen by
the user of this standard.
S Ethernet 802.3
N Serial X.21 interface
N
Other selection from RFC 2200