Omron Programmable Terminals NT31 NT31C Setup Manual page 76

Connecting to the RS-232C Port at the Host
When using the CQM1H's built-in peripheral port, turn ON SW7.
Setting the Switches of a CPM2A
When using a CPM2A, the switches on the front panel must be set as shown
below in order to make the PC Setup settings effective.
Setting the Switches of a CPM2C
When using a CPM2C, the switches on the front panel must be set as shown
below in order to make the PC Setup settings effective.
The settings for SW1 and SW2 depend upon the usage of the
peripheral port and RS-232C port.
S Connecting PT to peripheral port
S Connecting PT to built-in RS-232C port
(A device that requires non-standard communications settings
is connected to the peripheral port.)
S Connecting PT to built-in RS-232C port
(A Programming Console is connected to the peripheral port.)
Setting the Switches on an RS-232C Adapter
When using a CPM1-CIF01 RS-232C Adapter, set the mode switch as shown in
the following diagram.
Set the mode setting switch to HOST (upper position).
Set the Communications
switch to OFF (down
position).
SW1: OFF
SW2: ON
SW1: OFF
SW2: OFF
CPM1-
CIF01
Section 4-1
CPM1
65