3Com WX2200 Hardware Installation Guide - Page 26

26 CHAPTER 2: INSTALLING AND CONNECTING A WX SWITCH Cable Requirements To avoid installation problems, use the proper cables. WARNING: The gigabit Ethernet fiber-optic interfaces use Class 1 lasers. To reduce the risk of eye injury, do not stare into the interface or otherwise direct the laser beam into your eye. Serial Console Cable The serial console port has a female DB-9 connector and supports the EIA-232D signaling standard. You need a standard DB-9-male-to-DB-9-female PC modem cable. Table 6 lists the pin signals. Table 6 Serial Console Pin Signals WX Pin 2 3 5 Usage Receive Transmit Ground PC Pin 3 2 5 Usage Transmit Receive Ground Network Cables Table 7 lists the interface types supported by WX switches and the cable type required for each type of interface. Table 7 Ethernet Interfaces Link Type 10/100BASE-T 1000BASE-SX Cable Type Cat 5 copper Straight-through or crossover signaling Multimode 50-µm fiber Multimode 62.5-µm fiber Connector Maximum Type Distance RJ-45 100 m (328 feet) SC 550 m (1804.5 feet) SC 275 m (902.2 feet)