Tripp Lite 9PX11KPM Eaton 9PX 8000 9PX 11000 9PX EBM 240V Installation and Use - Page 31

ENGLISH 6. Communication 6.1 Communication ports • RS232 or USB communication ports The RS232 and USB communication ports cannot operate simultaneously. 1. Connect the RS232 16 or USB 17 communication cable to 16 the serial or USB port on the computer. 17 2. Connect the other end of the communication cable 16 or 17 to the RS232 1 or USB 2 communication port on the UPS. The UPS can now communicate with EATON power management software. • Relay output contacts The UPS incorporates four relay outputs; each information is available with a close or open contact. 54321 98 7 6 n.c. n.o. n.c. n.o. n.o. n.c. n.o. n.c. common Status active information: (if contact between pin and common is closed) • Pin 1: not on Bypass • Pin 2: load not protected • Pin 3: not low battery • Pin 4: not on Battery • Pin 5: user common • Pin 6: on Bypass • Pin 7: low battery • Pin 8: load protected • Pin 9: on Battery • n.o.: contact normally open • n.c.: contact normally closed The relay output contacts must not be connected to any utility connected circuits. Reinforced insulation to the utility is required. The relay output contacts have a maximum rating of 250 Vac/5A. 8-11kVA US_EN Page 31