Manual

PPC-37xx-N270 Panel PC
Page 17
2.4 External Peripheral Interface Connectors
The following section describes the external peripheral interface connectors on the bottom
panel of the subsystem.
2.4.1 Serial Port Connectors
The PPC-37xx-N270 has three serial ports. Two of these ports (COM1 and COM3) are
RS-232 only port. The remaining serial port (COM2) can be configured as a RS-232,
RS-422 or an RS-485 serial port. The PPC-3712A/B-N270 has one extra RS-232 serial
port on the bottom panel.
Figure 2-7: PPC-3708A COM Ports