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8. Communication Interface
The Regulator PRO
™
NetUPS Series has a 9-pin D-type connector that
concurrently provides protocols for RS-232 and Dry contact. Using the
optional software, the UPS and computer can transmit signals to each
other. These two communication ports are used to control the UPS and
its connector pin are defined as follows:
8-1 RS-232
NC ------------------ 1 6 ------------ NC
TX ------------------ 2 7 ------------ NC
RX ------------------ 3 8 ------------ NC
NC ------------------ 4 9 ------------ NC
Signal Ground ----- 5
Pin 2 : PC receives line RS-232 data from UPS.
Pin 3 : PC transmits line RS-232 data to UPS.
Pin 5 : Signal ground.
Other pins: Not used.
The RS-232 communication port provides the following functions:
1) Monitoring charger status
2) Monitoring battery status and condition
3) Monitoring inverter status
4) Monitoring UPS status
5) Monitoring the utility status
6) Providing the power switch function for the computer to turn on/off the
utility schedule for power saving
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