PRODUCT BRIEF
Intel® Ethernet SFP+
Twinaxial Cables
Network Connectivity
Intel
®
Ethernet SFP+ Twinaxial Cables
SFP+ Direct Attach cables for the Intel® Ethernet Converged Network Adapter X520 Family
The Intel® Ethernet Converged Network
Adapter X520 family with SFP+
connectivity delivers the most flexible
and scalable Ethernet adapters for today’s
demanding data center environments.
The escalating deployments of multi-core
processor-based servers and demanding
applications such as server virtualization,
High Performance Computing (HPC),
unified storage deployments, and video-
on-demand are driving the need for 10
Gigabit connections. Customers require
flexible and scalable I/O solutions to
meet the rigorous requirements of these
deployments.
To ensure maximum flexibility, Intel
uniquely supports the ability to mix any
combination of SFP+ optical modules,
direct attach copper cables, or
1000BASE-T SFP modules on the Intel
Ethernet X520 Adapters. For instance,
customers can remove the optical modules
that come installed on the adapter and
replace them with an Intel® Ethernet SFP+
Optic, an Intel® Ethernet SFP+ Twinaxial
Cable, or a 1000BASE-T SFP module.
Intel® Ethernet SFP+ Twinaxial Cables are
ideal for short distances and offer a highly
cost-effective way to connect within
racks and across adjacent racks. The
cables are available in three lengths; 1, 3,
and 5 meters, enabling customers to cre-
ate the configuration that best meets the
needs of their data center environment.
Features
• 1 m (3.3 ft), 3 m (9.8 ft.), and 5 m (16.4
ft.) SFP+ 10 GbE direct attach passive
copper cables
• SFP+ Direct Attach cables offer a highly
cost-effective way to connect within
racks and across adjacent racks
• Fully compatible with the Intel® Ethernet
Converged Network Adapter X520
Family
• Zinc die-cast SFF-8431 SFP+ connectors
• Low cross-talk and pair-to-pair skew
• Fully compliant to the latest SFP Plus MSA
(multi-source agreement)
• Data rates backward compatible to 1 Gbps
• Reduced power budget and lower port
cost compared to optical solutions
• Conforms to environmental standards
as described in the
Product
Environmental Content Report
1
• One year warranty
Powered by Intel’s third-generation 10
GbE network controller, the Intel® Ethernet
82599 10 Gigabit Ethernet Controller, the
X520 server adapter family addresses the
demanding needs of the next-generation
data center by providing unmatched
features for virtualization, flexibility for
LAN and SAN networking, and proven,
reliable performance.
Intel® Ethernet SFP+ Twinaxial Cables
Product Codes
XDACBL1M (1 meter)
XDACBL3M (3 meter)
XDACBL5M (5 meter)
Note: Other manufacturers may require specific cables for
equipment compatibility. Please check with the manufacturer
of your device regarding cable requirements for that device.
Intel® Ethernet SFP+ Optics
Product Codes
E10GSFPSR—Intel® Ethernet SFP+ SR Optic
E10GSFPLR—Intel® Ethernet SFP+ LR Optic
Compatible Intel® Server Adapters Product Codes
E10G42BTDA—Intel® Converged Network Adapter X520-DA2
E10G41BFSR—Intel® Converged Network Adapter X520-SR1*
E10G42BFSR—Intel® Converged Network Adapter X520-SR2*
E10G41BFLR—Intel® Converged Network Adapter X520-LR1*
* Ships with pluggable optic installed
Electrical/Cable Characteristics
Parameter
Storage Temperature Range
Operating Temperature Range
Operating Humidity Range
Supply Voltage
Supply Current (per cable end)
Power Consumption
Data Rate
DR
V
DIFF
SDD11
SDD22
L
VCR
dWDP
100
0.175
0.235
24AWG
30AWG
Symbol
T
S
T
A
RH
Vcc
Icc
Min
-40
-40
0
2.95
--
--
--
300
Typ
--
Max
85
85
85
Unit
o
o
C
C
%
V
μA
mW
Gbps
mVp-p
dB @ 5 GHz
dB @ 5 GHz
3.3
100
0.4
--
--
-10
-10
3.6
--
--
11.3
Transmitter
Differential Input Voltage Swing
Differential Input Return Loss
Receiver
Differential Output Return Loss
Voltage Modulate Amplitude Loss
VMA Loss to Crosstalk Ratio
Waveform Dispersion Penalty
4.5
32.5
6.8
105
dBe
dB
dBe
Ω
Inches
Inches
cycles
kg/km
Cable
Cable Differential Impedance
Cable Outer Diameter
Cable Bend Radius
(Measured at Diecast Endface)
Cable Flex Cycle
Cable Weight
0.7
30AWG
0.95
24AWG
200
30
30AWG
50
24AWG
Length and Part Number
SKU
XDACBL1M
XDACBL3M
XDACBL5M
Length
1000 mm + 25 mm
3000 mm + 75 mm
5000 + 125 mm
AWG
30
30
24
Difference Waveform Dispersion Penalty
Cable
1 m, 30AWG
3 m, 30AWG
5 m, 24AWG
WDPi
2.0965
2.0965
2.0965
WDPo
4.2087
6.6828
6.2477
dWDP
2.1122
4.5863
4.1512
Note:
dWDP=6.8 (max), SFF-8431
Voltage Modulation Amplitude to Crosstalk Ratio (VCR)
Cable
1 m, 30AWG
3 m, 30AWG
5 m, 24AWG
B’ VMA (mV)
700
700
700
C’ VMA (mV)
615
503
505
VMA LOSS (dB)
1.12
2.86
2.84
NEXT (rms) (mV)
1.73
1.79
1.87
VCR (dB)
35.8
34.4
34.0
Notes:
VMA LOSS (dB)=4.5 (max), SFF-843. VCR=32.5 dB (min), SFF-8431
2
Customer Support
Intel® Customer Support Services offers a broad selection of
programs including phone support and warranty service. For
more information, contact us at:
support.intel.com/support/go/network/
(Service and availability varies by country.)
For Product Information
To speak to a customer service representative regarding
Intel products, call 1-800-538-3373 (U.S. and Canada) or
visit:
support.intel.com/support/go/network/contact.htm
For more information on the Intel®
Ethernet SFP+ Twinaxial Cables
visit:
www.intel.com/go/ethernet
1
Product Environmental Content Reports are found on Intel Web site at http://qdms.intel.com.
INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL
®
PRODUCTS. NO LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS
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Intel may make changes to specifications and product descriptions at any time, without notice. Designers must not rely on the absence or characteristics of any features or
instructions marked “reserved” or “undefined.” Intel reserves these for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising
from future changes to them. The information here is subject to change without notice. Do not finalize a design with this information.
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Current characterized errata are available on request. Contact your local Intel sales office or your distributor to obtain the latest specifications
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Copyright © 2011 Intel Corporation. All rights reserved. Intel, the Intel logo, and Xeon are trademarks of Intel Corporation in the U.S. and other countries.
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