Next: Constant clicking/tripping on Smart-UPS 1500 unit. Once connected, you can configure the 9619 NMC settings for your network. The UPS itself should have a serial port but APC has always required a proprietary cable to connect. You'd use HyperTerminal or the like to connect. You'd need this if you can't get into the GUI.
Is this the NIC card you have installed in your UPS?
If so, have you tried using the 'Network Management Device IP Configuration Wizard' to configure it? If you don't have that application, you can download it from here:
Connect your UPS to the same network as the computer you are using to configure it. You can install the configuration wizard and follow the step-by-step instructions that you can find on that same page. I haven't done it in a while but from what I remeber it is very straight forward with that software.