OSI PICS Manual
CCITT X.400: RTSE for MHS
Tandem OSI PICS Manual–135046
18-7
A.4 Abbreviations
For parameters the supported Type/Length/Value shall be declared in the corresponding 
columns. 
A.4 Abbreviations
The following abbreviations are used in this PICS proforma: 
A.5 Capabilities and Options
A.5.1 Initiator/Responder Capability
This section is used to specify whether the implementation is able to initiate 
communication, respond to communication by another system, or both. (Ref.: X.419 
clause 14.1).
The IUT is capable of acting as: 
Note.
1. In the following tables, every leading parameter marked “m” should be supported by the 
IUT. Sub-parameters marked “m” should be supported if the corresponding leading 
parameter is supported by the IUT.
2. In the columns marked “LENGTH” or “RANGE,” the maximum length and maximum 
number of occurrences have been stated according to the standard. The minimum and 
maximum lengths and numbers of occurrences should be entered for origination and the 
maximum length and number of occurrences in reception.
NM Normal Mode
XM X.410-1984 Mode
ORG Origination
REC Reception
D Defined in this document
I Implemented
1. Initiator only [Y]
2. Responder only [Y]
3. Both [Y]










