Evaluating and Meeting Cable Requirements

cable and maintain an adequate bend radius at all cable turns, particularly where the cable connects to the I/O module.

Figure 24: Bend Radius for Fiber Optic Cable

Minimum

2-in. (5.08-cm)

radius

in 90∞ bend

90∞

Optical fiber cable

SPG_002

Cable Distances

Table 14 shows cable media types and maximum distances that support reliable transmission in accordance with international standards except where noted.

Table 14: Media Types and Maximum Distances

Standard

Media Type

Mhz•Km

Maximum Distance

Rating

(Meters)

 

 

 

 

1000BASE-SX

50/125 μm multimode fiber

400

500

(850 nm optical

50/125 μm multimode fiber

500

550

window)

62.5/125 μm multimode fiber

160

220

 

 

62.5/125 μm multimode fiber

200

275

1000BASE-LX

50/125 μm multimode fiber

400

550

(1300 nm optical

50/125 μm multimode fiber

500

550

window)

62.5/125 μm multimode fiber

500

550

 

 

10/125 μm single-mode fiber

5,000

 

10/125 μm single-mode fiber*

10,000

1000BASE-LX70

10/125 μm single-mode fiber

70,000

(1550 nm optical

 

 

 

window)

 

 

 

1000BASE-T

Category 5 and higher UTP cable

100

100BASE-TX

Category 5 and higher UTP cable

100

10BASE-T

Category 3 and higher UTP cable

100

 

 

 

 

*Proprietary to Extreme Networks. Connections between two Extreme Networks 1000BASE-LX interfaces that use 10/125 μm single-mode fiber can use a maximum distance of 10,000 meters.

BlackDiamond 12800 Series Switches Hardware Installation Guide

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Extreme Networks 12802, 12804 manual Cable Distances, Media Types and Maximum Distances