3Com OfficeConnect 3C855 User Manual

Also see for OfficeConnect 3C855: Using Setting up Installation guide Installation guide Frequently asked questions

Contents

3Com OfficeConnect 3C855 User Manual Manual pdf 12 page image

12 CHAPTER 1: INTRODUCING THE OFFICECONNECT CABLE /DSL GATEWAYIf the LED is on, the link between the port and the next piece of networkequipment is OK. If the LED is flashing, the link is OK and data is beingtransmitted or received. If the LED is off, nothing is connected, the connecteddevice is switched off, or there is a problem with the connection (refer toChapter 6 “Troubleshooting”).4 Cable/DSL Status LEDyellowIf the LED is on, the link between the Gateway and the cable or DSL modem isOK. If the LED is flashing, the link is OK and data is being transmitted orreceived. If the LED is off, nothing is connected, the modem is switched off orthere is a problem (refer to Chapter 6 “Troubleshooting”).Rear Panel The rear panel (Figure 4) of the Gateway contains four LAN ports, one EthernetCable/DSL port, and a power adapter socket.Figure 4 Cable/DSL Gateway - Rear Panel5 Power Adapter socketOnly use the power adapter that is supplied with this Gateway. Do not use anyother adapter.6 Ethernet Cable/DSL portUse the supplied patch cable to connect the Gateway to the 10BASE-T port onyour cable or DSL modem. This port will only operate at 10Mbps in half-duplexmode.7 Four 10/100 LAN portsUse suitable cable with RJ-45 connectors. You can connect your Gateway to acomputer, or to any other piece of equipment that has an Ethernet connection(for example, a hub or a switch). All ports will automatically detect the correctspeed (10Mbps or 100Mbps) and duplex mode. Additionally, all ports will beautomatically configured for MDI or MDI-X (straight-through or crossover)operation. Power Adapter Socket Ethernet Cable/DSL Port Four 10/100 LAN Ports