RPO connections:Normally closed Normally openTerminal wire size rating is 0.32-4 mm 2 (22-12 AWG).Remote control connection and test1. Ensure that the UPS is shut down and the utility power is disconnected.2. Remove the RPO connector from the UPS by loosening the screws.3. Connect a normally closed volt-free contact between pins 1 and 3 of theconnector.Contact open: shut down of UPSTo return to normal operation, close the external remote shutdown contact and restart the UPS from the front panel.Normally closed4. Plug the RPO connector into the back of the UPS and fix the screws.5. Connect and restart the UPS.6. Open the external remote shut down contact to test the function.Note: Always test the RPO function before applying your critical load to avoidaccidental load loss.Connectivity cardThe UPS Network Management Card allows the UPS to communicate in Ethernetenvironments. The card has SNMP and HTTP capabilities as well as monitoringthrough a Web browser interface. In addition, a Environmental Monitoring Probecan be attached to obtain humidity, temperature, smoke alarm, and securityinformation.The unit has one available communication bay for the UPS Network ManagementCard. See “Preparing the EBM for rack mounting” on page 21 for the location ofChapter 6. Communication 45
