OSI/AS Programming Manual

Sending and Retrieving User Data
APS Procedures Programming Concepts
2–38 056783 Tandem Computers Incorporated
Figure 2-8. Two Octet-Aligned User Data Elements With the Same PCID
User Data Header
Number of Elements = 2
User Data Element Header
PCID = px
Type = Octet-aligned (OCTET)
Length = lx
User Data Element Value
PDVs (lx)
User Data Element Header
PCID = px
Type = Octet-aligned (OCTET)
Length = ly
User Data Element Value
PDVs (ly)
APS User Data
PDV list
PCID: px
Type: OCTET
Length: lx
PDV list
PCID: px
Type: OCTET
Length: ly
PDVs (lx)
PDVs (ly)
User Data in PDU
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