© 2015 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. Page 1 of 6
Data Sheet
Cisco 10GBASE X2 Modules
Product Overview
The Cisco® 10GBASE X2 modules (Figure 1) offer customers a wide variety of 10 Gigabit Ethernet connectivity
options for data center, enterprise wiring closet, and service provider transport applications.
Figure 1. Cisco 10GBASE X2 and Xenpak Modules
Main features of Cisco 10GBASE X2 modules include:
●
Support 10GBASE Ethernet
●
Hot-swappable input/output device plugs into an Ethernet X2 port of a Cisco switch or router to link the port
with the network
●
Provides flexibility of interface choice
●
Supports “pay-as-you-populate” model
●
Supports the Cisco quality identification (ID) feature that enables a Cisco switch or router to identify whether
the module is certified and tested by Cisco
●
Has optical interoperability with respective 10GBASE Xenpak, 10GBASE XFP and 10GBASE SFP+
modules on the same link
Cisco X2-10GB-CX4
The Cisco 10GBASE-CX4 Module supports link lengths of up to 15m on CX4 cable.
Cisco X2-10GB-T
The Cisco 10GBASE-T Module supports link lengths of up to 100m on CAT6A or CAT7 copper cable.
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Cisco X2-10GB-LRM
The Cisco 10GBASE-LRM Module supports link lengths of 220m on standard Fiber Distributed Data Interface
(FDDI) grade multimode fiber (MMF). To ensure that specifications are met over FDDI-grade, OM1 and OM2 fibers,
the transmitter should be coupled through a mode conditioning patch cord. No mode conditioning patch cord is
required for applications over OM3. For additional information on mode conditioning patch cord requirements
please see: http://www.cisco.com/en/US/prod/collateral/modules/ps5455/product_bulletin_c25-530836.html.
The Cisco 10GBASE-LRM Module also supports link lengths of 300m on standard single-mode fiber (SMF, G.652).
Cisco X2-10GB-LX4
The Cisco 10GBASE-LX4 Module supports link lengths of 300m on standard FDDI grade MMF. To ensure that
specifications are met, the transmitter output should be coupled through a mode conditioning patch cord. For
additional information on mode conditioning patch cord requirements please see:
http://www.cisco.com/en/US/prod/collateral/modules/ps5455/product_bulletin_c25-530836.html.
Cisco X2-10GB-SR
The Cisco 10GBASE-SR Module supports a link length of 26m on standard FDDI grade MMF. Using 2000 MHz*km
MMF (OM3), up to 300m link lengths are possible. Using 4700 MHz*km MMF (OM4), up to 400m link lengths are
possible.
Cisco X2-10GB-LR
The Cisco 10GBASE-LR Module supports a link length of 10 kilometers on standard single-mode fiber (SMF,
G.652).
Cisco X2-10GB-ER
The Cisco 10GBASE-ER Module supports a link length of up to 40 kilometers on standard single-mode fiber (SMF,
G.652).
Cisco X2-10GB-ZR
Supports link lengths of up to about 80 km on SMF. This interface is not part of the 10 Gigabit Ethernet standard
but is built according to Cisco optical specifications.
Technical Specifications
Platform Support
Cisco X2 modules are supported on Cisco switches and routers. For more details, refer to the document Cisco
Xenpak/X2 Compatibility Matrix.
Connectors and Cabling
Connectors: Dual SC/PC connector (-SR, -LR, -LRM, -LX4, -ER, -ZR); InfiniBand 4x connector (-CX4); RJ-45
connector (-T).
Note: For optical X2 modules, only connections with patch cords with PC or UPC connectors are supported.
Patch cords with APC connectors are not supported. All cables and cable assemblies used must be compliant with
the standards specified in the standards section.
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Cisco X2
Wavelength (nm)
Cable Type
Core Size (Microns)
Modal Bandwidth
(MHz*km)
Cable Distance*
Cisco X2-10GB-CX4
-
CX4 (copper)
- - 15m
Cisco X2-10GB-T
-
CAT6A/CAT7
(copper)
- - 100m
Cisco X2-10GB-SR
850
MMF
62.5
62.5
50.0
50.0
50.0
50.0
160 (FDDI-grade)
200 (OM1)
400
500 (OM2)
2000 (OM3)
4700 (OM4)
26m
33m
66m
82m
300m
400m
Cisco X2-10GB-LRM
1310
MMF
62.5
50.0
50.0
500
400
500
220m
100m
220m
SMF
G.652
-
300m
Cisco X2-10GB-LX4
1310
MMF
62.5
50.0
50.0
500
400
500
300m
240m
300m
Cisco X2-10GB-LR
1310
SMF
G.652
-
10 km
Cisco X2-10GB-ER**
1550
SMF
G.652
-
40 km
***
Product
Type
Transmit Power (dBm)*
Receive Power (dBm)*
Transmit and Receive
Wavelength Range (nm)
Maximum
Minimum
Maximum
Minimum
Transmit
Receive
Cisco X2-10GB-SR
10GBASE-SR 850 nm
MMF
-1.2**
-7.3
-1.0
-9.9
840 to 860
Cisco X2-10GB-LRM
10GBASE-LRM 1310
nm MMF
0.5
-6.5
0.5
-8.4 (in
average)
and -6.4 (in
OMA)
***
1260 to 1355
Cisco X2-10GB-LX4
10GBASE-LX4 WWDM
1300 nm MMF
-0.5 per lane
-6.75 per
lane in OMA
-0.5 per lane
-14.25 per
lane in OMA
Four lanes; overall range:
1269 to 1356
Table 1 provides cabling specifications for the Cisco X2 modules.
Table 1. X2 Port Cabling Specifications
*
Minimum cabling distance for -LR, -SR, -LX4, -ER modules is 2m, according to the IEEE 802.3ae standard, and minimum
cabling distance for -LRM modules is 0.5m, according to IEEE 802.3aq standard.
**
Requires 5 dB 1550 nm fixed loss attenuator for < 20 km. Attenuator is available as a spare. The part number is WS-X6K-5DB-
ATT=.
***
Links longer than 30 km are considered engineered links.
Standards
●
IEEE 802.3ae (-LR, -SR, -LX4, -ER)
●
IEEE 802.3ak (-CX4)
●
IEEE 802.3aq (-LRM)
●
IEEE 802.3an (-T)
Table 2 shows the main optical characteristics for the Cisco X2 module. The Cisco X2-10GB-CX4 and X2-10GB-T
are not optical modules and therefore are not listed in Table 2.
Table 2. Optical Transmit and Receive Specifications
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Product
Type
Transmit Power (dBm)*
Receive Power (dBm)*
Transmit and Receive
Wavelength Range (nm)
Maximum
Minimum
Maximum
Minimum
Transmit
Receive
Cisco X2-10GB-LR
10GBASE-LR 1310 nm
SMF
0.5
-8.2
0.5
-14.4
1260 to 1355
1260 to
1565
****
Cisco X2-10GB-ER
10GBASE-ER 1550 nm
SMF
4.0
-4.7
-1.0
-15.8
1530 to 1565
1260 to
1565
****
Parameter
Symbol
Minimum
Typical
Maximum
Units
Notes and
Conditions
Transmitter
Transmitter
wavelength
1530 1565
nm
Side-mode
suppression ratio
SMSR
30
dB Transmitter extinction
ratio
9 dB
Transmitter optical
output power
P
out
0
4.0
dBm
Average power
coupled into
single-mode fiber
Receiver
Receiver optical input
wavelength
1530 1565
nm
The receiver can
tolerate a
wavelength range
from 1260 to
1565, but the
specifications are
guaranteed for a
signal received
with the transmit
wavelength range
Receiver damage
threshold
-1
dBm
Dispersion tolerance
0
1600
ps/nm
Optical input power
Pin
-24.0 -7.0
dBm
At bit error rate
(BER) = 10e
-12
with IEEE 802.3
test pattern
Dispersion power
penalty at 1600 ps/nm
3 dB
At bit error rate
(BER) = 10e
-12
with IEEE 802.3
test pattern
*
Transmitter and receiver power is in average, unless specified.
**
The launch power shall be the lesser of the class 1 safety limit or the maximum receive power. Class 1 laser requirements are
defined by IEC 60825-1: 2001.
***
Both average and OMA specifications must be met simultaneously.
****
Even though the receiver can tolerate a wide wavelength range, the specifications are guaranteed for a signal within the
transmit wavelength range.
Table 3 details optical specifications for the Cisco X2-10GB-ZR modules.
Table 3. X2-10GB-ZR Optical Parameters
Note: Parameters are specified over temperature and at end of life unless otherwise noted. When shorter
distances of single-mode fiber are used, an inline optical attenuator must be used to avoid overloading and
damaging the receiver.
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Description
Product Number
X2 Modules
Cisco 10GBASE-LR X2 Module for SMF
X2-10GB-LR
Cisco 10GBASE-CX4 X2 Module for CX4 (copper) cable
X2-10GB-CX4
Cisco 10GBASE-SR X2 Module for MMF
X2-10GB-SR
Cisco 10GBASE-LRM X2 Module for MMF
X2-10GB-LRM
Cisco 10GBASE-LX4 X2 Module for MMF
X2-10GB-LX4
Cisco 10GBASE-ER X2 Module for SMF
X2-10GB-ER
Cisco 10GBASE-ZR X2 Module for SMF
X2-10GB-ZR
Cisco 10GBASE-T X2 Module for CAT6A/CAT7 copper cable
X2-10GB-T
Cables
Mode conditioning patch cable 62.5u, dual SC connectors
CAB-GELX-625=
Mode conditioning patch cable 50u, dual SC connectors
CAB-MCP50-SC=
1m cable for 10GBase-CX4 module
CAB-INF-28G-1=
5m cable for 10GBase-CX4 module
CAB-INF-28G-5=
10m cable for 10GBase-CX4 module
CAB-INF-28G-10=
15m cable for 10GBase-CX4 module
CAB-INF-26G-15=
Dimensions
●
Dimensions (D x W x H): 91mm x 36mm x 13.46mm. Cisco X2s typically weigh under 300 grams
●
Environmental Conditions and Power Requirements
●
The operating temperature range is between 0 and 70°C (32 to 158°F); storage temperature range is -40 to
85°C (-40 to 185°F)
●
The maximum power consumption per Cisco X2 module is 4W
Warranty
●
Standard warranty: 1 year
●
Extended warranty (optional): Cisco X2 modules can be covered in a Cisco SMARTnet® support contract for
the Cisco switch or router chassis
Table 4 provides the ordering information for Cisco X2 modules and related cables.
Table 4. Ordering Cisco X2 and Respective Cables
Regulatory and Standards Compliance
Standards:
●
GR-20-CORE: Generic Requirements for Optical Fiber and Optical Fiber Cable
●
GR-326-CORE: Generic Requirements for Single-Mode Optical Connectors and Jumper Assemblies
●
GR-1435-CORE: Generic Requirements for Multifiber Optical Connectors
Safety:
●
Laser Class 1 21CFR-1040 LN#50 7/2001
●
Laser Class 1 IEC60825-1
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Printed in USA C78-363188-07 01/15
Additional Information
For more information about Cisco 10GBASE-X2 modules, contact your sales representative or visit:
http://www.cisco.com.
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