SNA Link/iX Node Managers Guide (30291-90507)

106 Chapter4

SNA Node Startup and Shutdown

Establishing PU-SSCP Sessions on the HP e3000

Establishing PU-SSCP Sessions on the

HP e3000

For each node you conﬁgure on the HP e3000, a corresponding T2.0 or

T2.1 node should be in the remote system conﬁguration. Figure 4-1,

“PU-SSCP Session Establishment,” shows how a session is established

between the SSCP on the remote system and the PU on the HP e3000

node (either a T2.0 node or a T2.1 node). The remote system sends out a

poll on the data link, in the form of a Set Normal Response Mode

(SNRM), and continues to poll the link until it receives a positive

response from the HP e3000. The HP e3000 node is activated with the

SNACONTROL START command (see Chapter 6 , “MPE Commands,” in

this manual). The SSCP then sends an ACTivate PU (ACTPU) request

to the HP e3000 PU. SNA Transport, as the PU services manager, sends

a positive response back to the SSCP. The PU-SSCP session is now

established.