23Chapter 5 Communication InterfaceEDX Series UPS feature an Intelligent Slot, Expanded Slot, Parallel ports,External Battery Temperature Probe connection port, AS400 relay port, EPO,RS485 and RS232 ports as well as Service Supervising Communication Interfaceexclusively available to Eaton technical personnel.1. Intelligent slot: suitable for WebPower card (optional), enabling you to realiseremote supervisory management of UPS by accessing Internet. (Note: theIntelligent slot on 3 Phase EDX UPS require the “short” version of WebPowercard).EDX 60KVA/80KVA2. Parallel ports: communication connections for parallel configuration, 6 sets ofUPS in parallel for 60KVA/80KVA models.3. EXT.BATTERY TEMP PROBE: temperature interface for external batterycabinet, capable of battery temperature supervision so as to realise intelligentbattery management.4. Standard AS400 interface: provides dry-contact interface for UPS supervising,the contact signals can reflect the UPS operation states so as to realize powersource management (See Appendix for AS400 Port pin definition).5. EPO: emergency power off, which provides users having emergency power-offneed with direct UPS output off function. (See Appendix for EPO external wiringdiagram)6. Standard RS485 Interface: capable of UPS supervising management whenparallel machine, providing complete control over UPS power supply (SeeAppendix for RS485 port Pin definition).