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B-14
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
OL-23069-06
Appendix B Transceivers and Module Connectors
1-Gigabit SFP Transceivers
Figure B-6 CWDM SFP Transceiver (Yellow Color Code)
For the specifications that differentiate the 1000BASE-CWDM SFP transceivers, see Table B-12. For
specifications and installation information that apply to all CWDM SFP transceivers, see the Cisco SFP
and SFP+ Transceiver Module Installation Notes.
1000BASE-DWDM SFP Transceivers
The Dense Wavelength Division Multiplexing (DWDM) SFP transceivers are part of a DWDM optical
network to provide high-capacity bandwidth across a fiber-optic network. There are 40 fixed-wavelength
DWDM SFP transceivers that support the International Telecommunications Union (ITU) 100-GHz
wavelength grid. These transceivers have duplex SC connectors. DWDM SFP transceivers can transmit
and receive optical signals up to 50 miles (80 km) depending on the quality of the fiber-optic cable used.
DWDM SFP transceivers look like the typical 1000BASE-X transceivers as shown in Figure B-5 on page
B-11.
1 Colored arrow on label specifies the wavelength 4 Bail clasp
2 Receive optical bore 5 Dust plug
3 Transmit optical bore
Table B-12 CWDM SFP Transceivers
Part Number Color Signal Specification
CWDM-SFP-1470 Gray Longwave 1470 nm laser
CWDM-SFP-1490 Violet Longwave 1490 nm laser
CWDM-SFP-1510 Blue Longwave 1510 nm laser
CWDM-SFP-1530 Green Longwave 1530 nm laser
CWDM-SFP-1550 Yellow Longwave 1550 nm laser
CWDM-SFP-1570 Orange Longwave 1570 nm laser
CWDM-SFP-1590 Red Longwave 1590 nm laser
CWDM-SFP-1610 Brown Longwave 1610 nm laser
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