The softkeys for the V24 interface are available as soon as option module is connected
and the slot is occupied.
You have the option of reading-out and reading-in archives in the "Program Manager" .operating area as well as in the "Start-up" operating area via the serial V24 interface.

COM01.2 R232C (V.24) module For NCU 710.2/NCU 720.2/NCU 730.2 6FC5312-0FA01-1AA0
COM01.3 RS232C(V.24) MODULE FOR NCU 7X0.3 PN 6FC5312-0FA01-0AA0