Digital Communication Port (Host) - Delta HPP-1K5A01KAT User Manual

6.4. Digital Communication Port (Host)

The 9-pin female RS232 connector labeled "Host Port" on the rear of the power supply lets user
connect with computer to control the power supply. Definition of RS232 connector is as follows:
Figure 6.3 Host Port: 9-pin female RS232/RS485 connector
Table6.2 Definition of RS232 RS485 Connector
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
N/A
RS-232(Tx)
RS-232(Rx)
N/A
GND
RS-485 (+)
RS-485 (-)
N/A
N/A
28.