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Switch Specifications
10 Single-mode fiber optic (SMF)
11 ITU-T G652 SMF as specified by the IEEE 802.32 standard.
For the specifications that differentiate the 1000BASE-CWDM SFP transceivers, see the
Transceiver Modules Compatibility
CWDM SFP transceivers, see the
1000BASE-DWDM SFP Transceiver Specifications
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 the following figure.
Figure 39: 1000BASE-DWDM SFP Transceiver
1
Receive optical bore
2
Transmit optical bore
For the Cisco DWDM SFP transceiver cable specifications, see the following table.
OL-30453-01
Matrix. For specifications and installation information that apply to all
Cisco SFP and SFP+ Transceiver Module Installation
3
Bail clasp
4
Dust plug
Cisco Nexus 7718 Switch Site Preparation and Hardware Installation Guide
1-Gb SFP Transceivers
Cisco Gigabit Ethernet
Notes.
169
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