1000Base-Cwdm Sfp Transceiver Cables; 1000Base-Dwdm Sfp Transceivers - Cisco Nexus 7000 Hardware Installation And Reference Manual

1-Gigabit SFP Transceivers

1000BASE-CWDM SFP Transceiver Cables

The Coarse Wavelength Division Multiplexing (CWDM) SFP transceivers are hot-swappable
transceivers that you plug into SFP-compatible I/O modules. The CWDM SFP transceiver uses an LC
optical connector to connect to single-mode fiber-optic (SMF) cable. You can connect the CWDM SFPs
to CWDM passive optical system optical add/drop multiplexer (OADM) modules or
multiplexer/demultiplexer plug-in modules using SMF cables. CWDM SFP transceivers can transmit
and receive optical signals up to 61 miles (100 km) depending on the quality of the fiber-optic cable used.
CWDM SFP transceivers are color coded to indicate their designated optical wavelength.
shows the CWDM transceiver, which looks like a standard 1000BASE-X SFP transceiver with a colored
arrow and bail clasp to indicate the designated wavelength.
Note Whenever the transceiver receive optical bores are not filled with optical cables, you should minimize
the chance of contamination by plugging the transceiver with its dust plug.
Figure B-7
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2
3
For the specifications that differentiate the 1000BASE-CWDM SFP transceivers, see the
Ethernet Transceiver Modules Compatibility
apply to all CWDM SFP transceivers, see the
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.
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
B-16
CWDM SFP Transceiver (Yellow Color Code)
Colored arrow on label specifies the wavelength
Receive optical bore
Transmit optical bore
Appendix B
4 Bail clasp
5 Dust plug
Matrix. For specifications and installation information that
Cisco SFP and SFP+ Transceiver Module Installation
Transceivers and Module Connectors
Figure B-7
Cisco Gigabit
OL-23069-07