ESP630 Product Manual1KHW02104 /Ed01a page 16 of 29 ABB3 Making Connections3.1 Connecting Devices through RJ-45 PortsThe ESP630 can be connected to 10, 100 or 1000 Mbps devices. Its ports accept automaticMDI/MDI-X configuration, so either crosses or straight cables can be used.Use Unshielded Twisted-Pair (UTP) or Shielded Twisted-Pair (STP) cables with RJ-45 connectors. Con-nect one end of the cable directly into the switch port and the other end into the networking device.Check the table bellows to make sure the cables you are using in your network are the correct ones.Table 3-1. Cable Category:3.2 Connecting a SFP ModuleThe use of a SFP transceiver is optional. It is not included in the package. Follow the next instructions toinstall a SFP module properly:Fig. 3-1. SFP Module Installation