S e n d d o c u m e n t c o m m e n t s t o n e x u s 7 k - d o c f e e d b a c k @ c i s c o . c o m
B-7
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
OL-23069-06
Appendix B Transceivers and Module Connectors
10-Gigabit X2 Transceivers
X2-10GB-LX4
MMF
1300
62.5
50.0
50.0
500
400
500
984 feet (300 meters)
787 feet (240 meters)
984 feet (300 meters)
X2-10GB-SR
MMF
SC duplex 850
62.5
62.5
50.0
50.0
50.0
160
200
400
500
2000
85 feet (26 meters)
108 feet (33 meters)
217 feet (66 meters)
269 feet (82 meters)
984 feet (300 meters)
X2-10GB-ZR
SMF
49.3 miles (80 km)
1.
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 B-6
X2 Transceiver Optical Transmit and Receive Specifications
X2 Transceiver
Product Number
Transceiver Type
Transmit Power
(dBm)
Receive Power (dBm)
Transmit and Receive
Wavelength (nm)
X2-10GB-ER
10GBASE-ER, 1550-nm SMF
4.0 (maximum)
–4.7 (minimum)
–1.0 (maximum)
–15.8 (minimum)
1530 to 1565
X2-10GB-LR
10GBASE-LR, 1310-nm SMF
0.5 (maximum)
–8.2 (minimum)
0.5 (maximum)
–14.4 (minimum)
1260 to 1355
X2-10GB-LRM
10GBASE-LRM, 1310-nm MMF
and SMF
0.5 (maximum)
–6.5 (minimum)
0.5 (maximum)
–8.4 (minimum) (in average)
–6.4 (minimum) (in OMA)
1
1260 to 1355
X2-10GB-SR
10GBASE-SR, 850-nm MMF
–1.2 (maximum)
2
–7.3 (minimum)
–1.0 (maximum)
–9.9 (minimum)
840 to 860
1.
Both the average and the OMA specifications must be met simultaneously.
2.
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 B-5
X2 Transceiver Cabling Specifications
X2 Transceiver
Product Number
Cable Type
Connector
Type
Wavelength
(nm)
Core Size
(microns)
Modal
Bandwidth
(MHz-km)
Maximum Cabling
Distance
1
