Cisco Nexus 7000 Series Hardware Installation And Reference Manual page 233

Transceivers and Module Connectors
X2 Transceiver Cable Type
Product Number
X2-10GB-LX4 MMF
X2-10GB-SR MMF
X2-10GB-ZR SMF
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Cable distances are based on fiber loss. Additional factors, such as the number of splices and the optical quality of the fiber,
can affect cabling distances.
Table 50: X2 Transceiver Optical Transmit and Receive Specifications
X2 Transceiver Transceiver Type
Product Number
X2-10GB-ER 10GBASE-ER, 1550-nm
SMF
X2-10GB-LR 10GBASE-LR, 1310-nm
SMF
X2-10GB-LRM 10GBASE-LRM, 1310-nm
MMF and SMF
X2-10GB-SR 10GBASE-SR, 850-nm
MMF
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Both the average and the OMA specifications must be met simultaneously.
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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.
Table 51: X2 Transceiver Physical and Environmental Specifications
Characteristic Specification
Dimensions (H x W x D) 0.53 x 1.41 x 3.58 inches (13.46 x 36 x 91 mm)
Connector Wavelength
Type (nm)
1300
SC duplex 850
Transmit Power (dBm)
4.0 (maximum)
–4.7 (minimum)
0.5 (maximum)
–8.2 (minimum)
0.5 (maximum)
–6.5 (minimum)
–1.2 (maximum)
–7.3 (minimum)
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
Core Size Modal
(microns) Bandwidth
(MHz-km)
62.5 500
50.0 400
50.0 500
62.5 160
62.5 200
50.0 400
50.0 500
50.0 2000
Receive Power (dBm)
–1.0 (maximum)
–15.8 (minimum)
0.5 (maximum)
–14.4 (minimum)
0.5 (maximum)
–8.4 (minimum) (in average)
–6.4 (minimum) (in OMA)
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–1.0 (maximum)
–9.9 (minimum)
10GBASE-X X2 Transceivers
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Maximum Cabling Distance
984 feet (300 meters)
787 feet (240 meters)
984 feet (300 meters)
85 feet (26 meters)
108 feet (33 meters)
217 feet (66 meters)
269 feet (82 meters)
984 feet (300 meters)
49.3 miles (80 km)
Transmit and Receive
Wavelength (nm)
1530 to 1565
1260 to 1355
1260 to 1355
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840 to 860
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