OSI PICS Manual

ISO 8073 for OSI/TS
Tandem OSI PICS Manual–135046
5-25
D.16.3 Actions on Receipt of an Invalid or Undefined
Parameter in a TPDU Other Than a CR TPDU
What action is supported on receipt of the following.
D.16.3 Actions on Receipt of an Invalid or Undefined Parameter in a
TPDU Other Than a CR TPDU
The following actions are mandatory.
D.17 Timers and Protocol Parameters
The following are mandatory if class 4 is supported.
RR3 An invalid value in the class and option parameter shall be treated as a
protocol error
13.2.3
RR4 On receipt of the additional option selection parameter, bits 8 to 5 and bits 4
to 1, if not meaningful for the proposed class, shall be ignored.
13.3.4
RR5 If non-use of explicit flow control is proposed and bit 1 of the additional
option selection parameter equals 1, it shall be treated as a protocol error.
13.2.3
Index Event
Reference Values
Allowed
Values
Supported
RR6 A parameter defined in ISO 8073 (other
than those covered above) and having an
invalid value
13.2.3 Ignore,
protocol error
Protocol
error
Index Event References
UI1 A parameter not defined in ISO 8073 shall be treated as a protocol
error
13.2.3
UI2 A parameter which has an invalid value as defined in ISO 8073 shall
be treated as a protocol error
13.2.3
UI3
(class 4 only)
A checksum received which does not satisfy the defined formula
shall be treated as a protocol error
6.17.3
Index References
TA 1 T 1 12.2.1
TA 2 N 12.2.1
TA 3 I 12.2.1
TA 4 W 12.2.1
TA 5 L 12.2.1
Index References Status Support
OT1 Does IUT support optional timer TS1 when
operating in class 0
6.5.4 O Conf
OT2 Does IUT support optional timer TS1 when
operating in class 1
6.5.4 O Conf
OT3 Does IUT support optional timer TS1 when
operating in class 2
6.5.4 O Conf
Index Event References