Eaton 9155 UPS (8–15 kVA) User's Guide 164201553 Rev G (www.eaton.com/powerquality) 49Chapter 10 CommunicationThis section describes the: DB-9 communication port X-Slot cards LanSafe® Power Management Software Remote emergency power-off (REPO) Relay output contacts Programmable signal inputsFigure 36 shows the location of the communication options and control terminals onthe UPS.21321212121DB-9 Communication PortREPO (normally closed)REPO (normally open)Signal Input 2Signal Input 1X-Slot Communication Bay #2X-Slot Communication Bay #1Relay Output ContactsFigure 36. Communication Options and Control Terminals