Technology Supported cable
type
Multimode fibermodal
bandwidth
Supported distances
1000-LX
multimode fiber
single mode fiber
400 MHz*km
500 MHz*km
N/A
2 - 550 meters
2 - 550 meters
2 - 10,000 meters
1000-LH single mode fiber N/A 10 - 70,000 meters
4
1000-BX single mode fiber N/A 0.5 - 10,000 meters
10-Gig Direct
Attach
twinaxial copper N/A (various lengths offered)
10-Gig SR multimode fiber
160 MHz*km
200 MHz*km
400 MHz*km
500 MHz*km
2000 MHz*km
2 - 26 meters
2 - 33 meters
2 - 66 meters
2 - 82 meters
2 - 300 meters
10-Gig LRM multimode fiber
400 MHz*km
500 MHz*km
0.5 - 100 meters
0.5 - 220 meters
10-Gig LR single mode fiber N/A 2 - 10,000 meters
10-Gig ER single mode fiber N/A 2 - 40,000 meters
40-Gig SR4 single mode fiber
2000 MHz*km
4700 MHz*km
2 - 100 meters
2 - 150 meters
40-Gig ESR4 multimode fiber
2000 MHz*km
4700 MHz*km
2 - 300 meters
2 - 400 meters
40-Gig LR4 single mode fiber N/A 2 - 10,000 meters
1
Cat 5e cabling requires testing to 200 MHz operation and additionally for ANEXT and AELFEXT. The
maximum supported distances may be reduced depending on alien crosstalk levels. The support for untested
cable installations is best-effort.
2
Cat 6 cabling requires testing for ANEXT and AELFEXT. The maximum supported distances may be reduced
depending on alien crosstalk levels.
3
Cat 6 cabling requires TIA TSB-155A testing for 500 MHz operation and ANEXT.
4
For distances less than 20km, a 10dB attenuator must be used. For distances between 20km and 40km, a 5dB
attenuator must be used. Attenuators can be purchased from most cable vendors.
Mode conditioning patch cord
The following information applies to installations in which multimode fiber-optic cables are connected to a Gigabit-
LX port or a 10-Gigabit LRM port. Multimode cable has a design characteristic called “Differential Mode Delay”,
which requires the transmission signals be “conditioned” to compensate for the cable design and thus prevent
resulting transmission errors.
Chapter 8 Cabling and technology information 91
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