When a terminal references a printer, A pair of TCT entries could be related by using the PRINTTO or ALTPRT operands in the TCT macro, which referred to the printer TCTTE by means of the assembler label of the printer entry.
DFHTCT TYPE=TERMINAL,TRMIDNT=tttt,
TRMTYPE=3270,PRINTTO=label1
label1 DFHTCT TYPE=TERMINAL,TRMIDNT=pppp,TRMTYPE=3270P
DEFINE TERMINAL(tttt) TYPETERM(xxxxxxxx) PRINTER(pppp)
DEFINE TERMINAL(pppp) TYPETERM(xxxxxxxx)