16
Getting to Know Your ABP-2000
17
Getting to Know Your ABP-2000
©Vecow ABP-2000 Series Advanced Box PC User Manual
2.3.1 Serial Ports COM1 and COM2
COM1 and COM2 are RS-232 only and provide up to
115200 bps baud rates. The pin assignments are shown
in the following table:
Serial Port
Pin No.
RS-232
COM1, 2
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
2.3 Rear Side Exernal I/O Connectors
Figure 2.3.1 ABP-2845 Rear Panel
Figure 2.3.2 ABP-2045 Rear Panel
Figure 2.3.3 ABP-2015 Rear Panel
2.3.2 Serial Ports COM3 and COM4
COM3 and COM4 can be configured for RS-232, RS-
422, or RS-485 with auto flow control communication.
Serial Port 3 & 4 default setting are RS-232, if you want
to use RS-422 or RS-485, you can find the setting in
BIOS.
BIOS Setting
Function
COM3 | COM4
RS-232
RS-422 (5-wire)
RS-422 (9-wire)
RS-485
RS-485 w/z auto-flow control
