In the NCP major node, define both physical and logical resources:

• The token-ring interface coupler (TIC) connection for NTRI support is defined as a physical connection, which is generated as a nonswitched duplex line.
• The peripheral nodes that are attached to the token ring are defined as logical connections, which are generated as switched half-duplex lines.

The following sample physical and logical definitions are used in an NCP subarea node to attach peripheral nodes to the token ring. Note that TRNPG1 is the LAN NTRI physical group, and TRNLG1 is the LAN NTRI logical group.

TRNPG1   GROUP ECLTYPE=(PHYSICAL,PERIPHERAL) LAN PHYSICAL GROUP
*
TRNL1    LINE  ADDRESS=(1088,FULL),          TIC ADDRESS
               LOCADD=400000003023,          LAN ADAPTER ADDRESS
               MAXTSL=1108,                  TRANSMIT MAX DATA (MAX)
               PORTADD=1,                    PHYSICAL PORT ADDRESS
               RCVBUFC=4095,                 RECEIVE MAX DATA
TRNPU1   PU
TRNLU1   LU    ISTATUS=INACTIVE
*
TRNLG1   GROUP ECLTYPE=(LOGICAL,PERIPHERAL),
               AUTOGEN=8,                    NUMBER DEVICES ON THE LAN
               ANS=CONTINUE,                 CONTINUE IF HOST LOST
               CALL=INOUT,                   CONNECTION OPTIONS
               PHYPORT=1                     ASSOCIATE WITH PHYSICAL PORT
               ⋮
               COMPOWN=YES