Gigabit Ethernet - Cisco Catalyst 6500 Series Installation Manual

Chapter 2 Preparing for Installation
Table 2-5 100BASE-FX Optical Characteristics
Characteristic
Optical source
Wavelength
Transmitter output power
Receiver sensitivity

Gigabit Ethernet

78-15725-02
Specification (Multimode)
LED
1300 nm
–20 to –14 dBm (62.5/125 micron MMF)
–23.5 to –14 dBm (50/125 micron MMF)
–31 to –14 dBm
Table 2-6 provides the maximum transmission distance specifications for the
1000BASE-T and the 1000BASE-X interfaces, including the Gigabit Ethernet
switching modules and the supervisor engine Gigabit Ethernet uplink ports.
Table 2-7 lists the Gigabit Interface Converter (GBIC) channel insertion losses.
All optical GBIC interfaces have SC connectors, and the minimum cable distance
for the optical GBICs listed (MMF and SMF) is 6.5 feet (2 meters).
Catalyst 6500 Series Switch Module Installation Guide
Determining Cable Distances
Specification (Single Mode)
Laser
1300 nm
–20 to –14 dBm
(8.3/9/10 micron SMF)
–31 to –8 dBm
2-5