Document ConventionsFOMIM User’s Guide1-31.2 DOCUMENT CONVENTIONSThe following conventions are used throughout this document:1.3 FIBER OPTIC MEDIA INTERFACE MODULESCabletron Systems Fiber Optic Media Interface Modules provide a choiceof six, twelve, or eighteen ports with ST connectors.1.3.1 Distance and Cable TypeThe FOMIMs support single mode fiber optic cable for sizes such as8.3/125 μm, 8.7/125 μm, 9/125 μm, 10/125 μm, and 12/125 μm. Thecable distance is dependent on the cable type and the overall system fiberoptic budget. If the system budgets and timing constraints are met, then adistance of up to 5 kilometers is possible. You can also use 62.5/125 μmmultimode cable with the FOMIM, but due to greater optical loss, signaldistance is reduced to 2 km.NOTENote symbol. Calls the reader’s attention to any item ofinformation that may be of special importance.!CAUT IONCaution symbol. Contains information essential to avoiddamage to the equipment.Warning symbol. Warns against an action that could result inequipment damage, personal injury or death.NOTEThe FOMIM-32/36/38 use 1300 nm wavelength transmittersand receivers (not the 850 nm specified by FOIRL) and shouldbe used only with the Cabletron Systems Ethernet single modetransceiver, the FOT-F3.