Cable distances – Extreme Networks 12800 Series Benutzerhandbuch
Seite 51
Evaluating and Meeting Cable Requirements
BlackDiamond 12800 Series Switches Hardware Installation Guide
51
NOTE
Kinks and sharp bends can destroy or impair the cable’s ability to convey light pulses accurately from one end of the
cable to the other. Use care in dressing the optical fiber cables: provide satisfactory strain relief to support the 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
Cable Distances
shows cable media types and maximum distances that support reliable transmission in
accordance with international standards except where noted.
*
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.
Table 14: Media Types and Maximum Distances
Standard
Media Type
Mhz•Km
Rating
Maximum Distance
(Meters)
1000BASE-SX
(850 nm optical
window)
50/125 μm multimode fiber
50/125 μm multimode fiber
62.5/125 μm multimode fiber
62.5/125 μm multimode fiber
400
500
160
200
500
550
220
275
1000BASE-LX
(1300 nm optical
window)
50/125 μm multimode fiber
50/125 μm multimode fiber
62.5/125 μm multimode fiber
10/125 μm single-mode fiber
10/125 μm single-mode fiber*
400
500
500
–
–
550
550
550
5,000
10,000
1000BASE-LX70
(1550 nm optical
window)
10/125 μm single-mode fiber
–
70,000
1000BASE-T
100BASE-TX
10BASE-T
Category 5 and higher UTP cable
Category 5 and higher UTP cable
Category 3 and higher UTP cable
–
–
–
100
100
100
SPG_002
Minimum
2-in. (5.08-cm)
radius
in 90∞ bend
90∞
Optical fiber cable