Table 19: Signal cable terminalsTerminal TerminalfunctionPin Pin functionX6 Battery breakersignalsX6:1 External battery shunt tripX6:2 External battery shunt trip returnX6:3 External battery cabinet temp.monitoring (BATT_NTC)X6:4 External battery cabinet temp.monitoring (BATT_NTC_RTN)X10 Signal interface X10:1 Signal input 1X10:2 Signal input 1 returnX10:3 Signal input 2X10:4 Signal input 2 returnX10:5 Signal input 3X10:6 Signal input 3 returnX10:7 Signal input 4X10:8 Signal input 4 returnX10:9 External battery cabinet breakertrip detection (DET)X10:10 External battery cabinet breakertrip detection (GND)X10:11 EPO NCX10:12 EPO NC returnX10:13 EPO NOX10:14 EPO NO returnX10:15 Alarm relay NCX10:16 Alarm relay NOX10:17 Alarm relay returnX10:18 Transformer fan fail inputX10:19 Transformer fan fail input returnX10:20 Int. transformer fan failX10:21 Int. transformer fan fail returnX10:22 EPO 24 V input (optional)X10:23 EPO 24 V input return (optional)X10:24 Insulation monitor NC (optional)X10:25 Insulation monitor return (optional)X10:26 Insulation monitor NO (optional)Eaton 9PHD UPS 30–200 kW User's and installation guide© Eaton Corporation plc 2017. All rights reserved. Document ID: P-164000531 79 (127)