User manual

APC-3X97A user manual
20
8. COM22 (2.0MM 2X5): it provides selectable RS422/485 serial signal output.
Signal Name
Pin#
Pin#
Signal Name
A
1
2
Terminal
Resistance
B
3
4
Terminal
Resistance
Z
5
6
NC
Y
7
8
NC
Ground
9
10
NC
9. USB4 (2.0MM 2X5) Front USB connector: it provides two USB ports via a dedicated USB
adapter cable.
Signal Name
Pin#
Pin#
Signal Name
+5V
1
2
+5V
USB_P6_DN
3
4
USB_P7_DN
USB_P6_DP
5
6
USB_P7_DP
Ground
7
8
Ground
NC
9
10
Ground
Note:
Before connection, make sure that pinout of the USB adapter is in accordance with that of the said
tables. Any inconformity may cause system down and even hardware damages.
10. JCOM (2.0MM 2X6) COM1/2 setup jumper: pin 1~6 are used to select signal out of pin 9 of
COM1 port; pin 7~12 are used to select output type for COM2 port (RS232 or RS422/485).
JCOM
Function
CLOSE 1-2
COM1 Pin9=RI (default)
CLOSE 3-4
COM1 Pin9=+5V
CLOSE 5-6
COM1 Pin9=+12V
CLOSE 7-9
CLOSE 8-10
COM2 FOR RS232 FROM COM2
(default)
CLOSE 9-11
CLOSE 10-12
COM2 FOR RS485/RS422 FROM
COM22
Note:
1. As determined by its hardware design, the board features full-duplex RS485 communication. Like
RS422, a four-wire connection is necessary.
2. Since COM2 and COM22 use the same address, they cannot work at the same time.