Figure 6 Rj45 Connector; Figure 7 Com Ports - Quanmax QBOX-4000 Series User Manual


Connect LAN port
Connect one end of a network cable to the LAN port on the system rear
panel and the other end to a hub or switch.

COM Ports
COM ports with the pin definitions.
QBOX-4000 Series User's Manual
2x RJ45

Figure 6 RJ45 connector

COM1 RS-232/422/485 Port 1 Wafer
Pin RS-232
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 +5V
COM2 RS-232 Port 2 D-SUB 9P

Figure 7 Com ports

COM 1 COM 2
Half Duplex
RS-422
RS-485
TX- DATA-
RX+ N/A
TX+ DATA+
RX- N/A
GND GND
N/A N/A
N/A N/A
N/A N/A
+5V +5V
Pin Signal Name
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 +5V
24
Chapter 2
Full Duplex
RS-485
TX-
RX+
TX+
RX-
GND
N/A
N/A
N/A
+5V