If the PIN code query is enabled, check that the ARC600 configuratorhas the correct PIN code entered in the wireless WAN submenu.3.2 I/O connectionsThe device has four connectors in the front panel for power input and for switchingdevices' status monitoring and control, battery condition monitoring, battery chargingand measurement functions.3.2.1 Power connectorOperating power for the device is supplied from connector X2.1. The device can useeither an unregulated AC line input or a regulated DC input.The power switch is located on the serial panel. It turns the unit on and off.Table 9:Operating voltages of X2.1 connector pinsInput pins Operating voltage range1 and 2 (AC) 90...264 V AC or 85...200 V DC6 and 7 (DC) 20...30 V DC3.2.2 X2.1 connectorTable 10:X2.1 connector pinoutPin Symbol Description1 L 230 V AC2 N 230 V AC3 NTC_A NTC resistor (batterytemperature comp.)4 PE Protective earth5 NTC_B NTC resistor (batterytemperature comp.)6 24VDC 24 V DC output/input7 GND DC ground8 GND DC ground9 GND DC ground10 BAT Battery charging1MRS758459 C Section 3Physical connectionsARC600 19User Manual