User manual ZYXEL ES2108G QUICK START GUIDE

[. . . ] All switches can be used as a standalone device while some can alternatively be mounted on standard EIA racks. Note: For proper ventilation, allow at least 4 inches (10 cm) of clearance at the front and 3. [. . . ] Auto-negotiating ports can detect the speed of incoming transmissions and allow either half duplex transfer mode (10/ 100 Mbps only) or full duplex mode. Auto-crossover means that you can connect the switch to a computer or hub using either a straight-through or a crossover Ethernet cable. You can use unshielded twisted pair (UTP) or shielded twisted-pair (STP) Ethernet cables for RJ-45 ports. Make sure the cable length between connections does not exceed 100 meters (328 feet). The following table describes the types of network cable used for different connection speeds. The LNK/ACT LED should flash when data is being sent between your switch and a connected device. Connect one end of the supplied power cable or power adaptor to the power receptacle on the switch and the other end to the appropriate power source. If your switch has a console port, you can use a terminal emulator for local management. connect the male 9-pin end of a console cable to the console port of the switch. Connect the female end to a serial port (COM1, COM2 or other COM port) of your computer. [. . . ] Also make sure the Ethernet cards are working on the attached devices. The LNK/ACT LED does not light up or flash when a device is connected. [. . . ]