CHAPTER 1: INTRODUCTION COMMUNICATION PORTSUR SERIES – COMMUNICATIONS GUIDE 1-1311.3 Communication portsURs are equipped with an RS232 port on the faceplate, and at the rear an RS485 port, an IRIG-B input port, and threeEthernet ports. The Ethernet ports are a combination of 100Base-TX and 100Base-FX depending on the order code option.See the relevant Instruction Manual for information on these ports.1.4 Safety symbols and definitionsBefore attempting to install or use the device, review all safety indicators in this document to help prevent injury,equipment damage, or downtime.The following safety and equipment symbols are used in this document.See the Instruction Manual for safety information.1.5 For further assistanceFor product support, contact the information and call center as follows:GE Digital Energy650 Markland StreetMarkham, OntarioCanada L6C 0M1Worldwide telephone: +1 905 927 7070Europe/Middle East/Africa telephone: +34 94 485 88 54North America toll-free: 1 800 547 8629Fax: +1 905 927 5098Worldwide e-mail: multilin.tech@ge.comEurope e-mail: multilin.tech.euro@ge.comWebsite: http://www.gedigitalenergy.com/multilinDANGER Indicates a hazardous situation which, if not avoided, will result in death or serious injury.WARNING Indicates a hazardous situation which, if not avoided, could result in death or serious injury.CAUTION Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.NOTICE Indicates practices not related to personal injury.