Intel® Ethernet Server Adapter X520 Series — Cable lengths for Intel® Ethernet SFP+ Optics

Intel® Ethernet Server Adapter X520 Series

Cable lengths for Intel® Ethernet SFP+ Optics

Use the tables below to determine the operating range for your optical module and speed.

Intel® Ethernet SFP+ SR Optics (E10GSFPSR)
Tables 1 and 2 specify the operating range for optical cables used with Intel® Ethernet SFP+ SR Optics:

Table 1.
10 Gigabit (10GBASE-S) Connections

Fiber Type	Minimum modal bandwidth @ 850 nm (MHz*km)	Operating range (meters)
62.5 µm MMF	160	2 to 26
62.5 µm MMF	200	2 to 33
50 µm MMF	400	2 to 66
50 µm MMF	500	2 to 82
50 µm MMF	2000	2 to 300

Table 2.
1 Gigabit (1000BASE-SX) Connections

Fiber Type	Minimum modal bandwidth @ 850 nm (min. overfilled launch) (MHz*km)	Operating range (meters)
62.5 µm MMF	160	2 to 220
62.5 µm MMF	200	2 to 275
50 µm MMF	400	2 to 500
50 µm MMF	500	2 to 550
10 µm SMF	N/A	Not supported

Intel® Ethernet SFP+ LR Optics (E10GSFPLR)
Tables 3 and 4 specify the operating range for optical cables used with Intel® Ethernet SFP+ LR Optics:

Table 3.
10 Gigabit (10GBASE-L) Connections

PMD Type

Nominal Wavelength (nm)

Operating range
(meters)

10GBASE-L

1310

2 to 10000

Table 4.
1 Gigabit (1000BASE-LX) Connections

Fiber Type	Minimum modal bandwidth @ 1300 nm (min. overfilled launch) (MHz*km)	Operating range (meters)
62.5 µm MMF	500	2 to 550
50 µm MMF	400	2 to 550
50 µm MMF	500	2 to 550
10 µm SMF	N/A	2 to 5000

Related Topics
Which SFP+ modules and cables can I use?
About Fiber* from TIA Fiber Optics LAN Section
Choosing the Right Multimode Fiber for Data Communications* from TIA Fiber Optics LAN Section

This applies to:

Intel® Ethernet Converged Network Adapter X520 Series
Intel® Ethernet Server Adapter X520 Series
Intel® Ethernet Server Adapter X520-DA2

Intel® Ethernet Server Adapter X520-LR1
Intel® Ethernet Server Adapter X520-SR1
Intel® Ethernet Server Adapter X520-SR2

Solution ID: CS-031094
Last Modified: 12-Sep-2012
Date Created: 17-Nov-2009