9.4.2 Installation/Mounting
NOTICE
Damage to the option board by inserting and withdrawing in operation
• Option boards should only be inserted and removed when the NCU and option board are in
a no-current condition.
• Option boards may only be operated by qualied personnel. The ESD notices must be
observed.
Installing the COM01.3 RS 232C (V.24) module
A COM01.3 option board is installed in the option slot of the NCU.
① Release the M3 xing screws and remove the protective cover.
② Insert and secure the option board.
Tightening torque of the M3 xing screws: 0.8 Nm.
Figure 9-22 Installing COM01.3
The cable outlet is at the top.
9.4.3 Connection
The RS 232C (V.24) module has a standardized serial interface.
Connectable components
9.4 COM01.3 RS 232C (V.24) module
NCU 7x0.3B PN
148 Equipment Manual, 10/2020, 6FC5397-1EP40-6BA1