PRIM     SDLCST GROUP=GPRIM,               PRIMARY GROUP NAME
                MAXOUT=127,                LINK LEVEL RESPONSE
                MODE=PRIMARY,              PRIMARY MODE
                PASSLIM=254,               MAXIMUM PIU SEND COUNT
                RETRIES=(7,3,5),           RETRY COUNTS
                ⋮
                SERVLIM=254                SERVICE ORDER TABLE SCAN
*
SEC      SDLCST GROUP=GSEC,                SECONDARY GROUP NAME
                MAXOUT=127,                LINK LEVEL RESPONSE
                MODE=SECONDARY,            SECONDARY MODE
                PASSLIM=254,               MAXIMUM SEND COUNT
                RETRIES=(7),               RETRY COUNT
                ⋮
                TADDR=C1                   SECONDARY POLL ADDRESS
*
*
GPRIM    GROUP  LNCTL=SDLC,                SDLC LINK CONTROL
                TYPE=NCP,                  NCP LINK
                DIAL=NO,                   NONSWITCHED CONNECTION
                REPLYTO=(1.0,3.0),         REPLY TIMEOUT
                MODE=PRIMARY,              PRIMARY link station
                ⋮
                MODULO=128                 MODULO FOR LINK LEVEL RESPONSE
*
GSEC     GROUP  LNCTL=SDLC,                SDLC LINK CONTROL
                TYPE=NCP,                  NCP LINK
                DIAL=NO,                   NONSWITCHED CONNECTION
                REPLYTO=(NONE,NONE),       NO REPLY TIMEOUT ON SECONDARY
                MODE=SECONDARY,            SECONDARY link station
                MODULO=128,                MODULO FOR LINK LEVEL RESPONSE
                ⋮
                ACTIVTO=120                ACTIVATE TIMEOUT