Supported Sna Commands; Activate Physical Unit (Actpu) - IBM 3708 Description

Supported SNA Commands
The RU category, flow (expedited or normal), and the direction of flow for each
SNA command on a session are shown in the following table. Details of the
processing for each command follows the table.
Command Type
Flow SSCP-PU SSCP-SLU PLU-SLU
ACTPU SC E
-+
ACTPUERP SC E
-+
DACTPU SC E
-+
ACTLU SC E
-+
ACTLU ERP
SC E
-+
DACTLU SC E
-+
BIND
SC E
-+
UNBIND
SC E
+--+
SDT SC E
-+
Clear
SC E
-+
Cancel DFC N
+--+
Chase DFC N
-+
LUSTAT DFC N
+-
SHUTD DFC E
-+
SHUTC DFC N
+-
RTR DFC N
+-
BID DFC N
-+
Signal DFC E
+--+
Data FMD N
+--+
REQMS FMD N
-+
RECFMS FMD
N
+-
NMVT FMD N
+--+
NOTIFY
FMD N
+-
TERM-SELF FMD N
+-
Activate Physical Unit (ACTPU)
The ACTPU command is sent by the access method to establish the SSCP-PU
session with the 3708. The SSCP-PU session is established when the 3708 returns a
positive response to the ACTPU command.
The ACTPU command can be transmitted when the SSCP-SLU and LU-LU
sessions are active, for example, when an NCP restart procedure occurs. When the
3708 receives the ACTPU command, all active sessions are terminated immediately
unless ACTPU ERP is specified. The 3708 returns a positive response to the
ACTPU command and the SSCP-PU session is reestablished.
Chapter 3. SDLC and SNA Communication
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