Guest

Cisco Transceiver Modules

Support of Dispersion-Shifted Single-Mode Fiber (ITU G.655 and G.656)

  • Viewing Options

  • PDF (97.6 KB)
  • Feedback

PB530841

This product bulletin describes the support and benefits of dispersion-shifted single-mode fiber specified in ITU G.655 and G.656 standards. These fibers are also referred to as nonzero dispersion-shifted fibers (NZDSF).

For detailed information about fiber types, also refer to the document at http://www.cisco.com/en/US/prod/collateral/modules/ps5455/white_paper_c11-463661.html.

Chromatic Dispersion and Wavelength Dependency

The most commonly deployed single-mode fiber cables are those defined in ITU G.652. These fibers are optimal for optical transmissions in the 1300-nm window and also used for transmissions in the 1550-nm window, including CWDM and DWDM applications. ITU added support for NZDSF in Recommendations G.655 and G.656. These fibers are advantageous for 1550-nm and WDM applications as their "zero dispersion" is close to the transmission wavelength, resulting in less chromatic dispersion cumulated along the optical path.

Cisco Transceiver Modules Supporting NZDSF

All Cisco ® transceiver modules transmitting in the 1550-nm window and all Cisco CWDM and DWDM transceiver modules support links over ITU G.655 and G.656 cables.
Table 1 provides with a list of all Cisco transceiver modules supporting NZDSF.

Table 1. Cisco Transceiver Modules Supporting NZDSF

Product Number

Product Description

GLC-FE-100ZX=

Cisco 100BASE-ZX SFP transceiver module for SMF, 1550-nm wavelength, commercial operating temperature range 32°F to 158°F (0°C to 70°C)

WS-G5487=

Cisco 1000BASE-ZX GBIC transceiver module for SMF, 1550-nm wavelength, commercial operating temperature range, 32°F to 158°F (0°C to 70°C)

CWDM-GBIC-1xxx=

Cisco 1000BASE CWDM GBIC transceiver module for SMF, longwave, commercial operating temperature range, 32°F to 158°F (0°C to 70°C)

DWDM-GBIC-xx.x=

Cisco 1000BASE DWDM GBIC transceiver module for SMF, longwave, commercial operating temperature range, 32°F to 158°F (0°C to 70°C)

GLC-ZX-SM=

Cisco 1000BASE-ZX SFP transceiver module for SMF, 1550-nm wavelength, commercial operating temperature range, 32°F to 158°F (0°C to 70°C)

SFP-GE-Z=

Cisco 1000BASE-ZX SFP transceiver module for SMF, 1550-nm wavelength, extended operating temperature range, 23°F to 185°F (-5°C to 85°C)

GLC-ZX-SM-RGD=

Cisco 1000BASE-ZX SFP transceiver module for SMF, 1550-nm wavelength, industrial operating temperature range, -40°F to 185°F (-40°C to 85°C)

CWDM-SFP-1xxx=

Cisco 1000BASE CWDM SFP transceiver module for SMF, longwave, commercial operating temperature range, 32°F to 158°F (0°C to 70°C)

DWDM-SFP-xxxx=

Cisco 1000BASE DWDM SFP transceiver module for SMF, longwave, commercial operating temperature range, 32°F to 158°F (0°C to 70°C)

XENPAK-10GB-ER=
XENPAK-10GB-ER+=

Cisco 10GBASE-ER XENPAK transceiver module for SMF, 1550-nm wavelength, commercial operating temperature range, 32°F to 158°F (0°C to 70°C)

XENPAK-10GB-ZR=

Cisco 10GBASE-ZR XENPAK transceiver module for SMF, 1550-nm wavelength, commercial operating temperature range, 32°F to 158°F (0°C to 70°C)

DWDM-XENPAK-xx.xx=

Cisco 10GBASE DWDM XENPAK transceiver module for SMF, longwave, commercial operating temperature range, 32°F to 158°F (0°C to 70°C)

X2-10GB-ER=

Cisco 10GBASE-ER X2 transceiver module for SMF, 1550-nm wavelength, commercial operating temperature range, 32°F to 158°F (0°C to 70°C)

X2-10GB-ZR=

Cisco 10GBASE-ZR X2 transceiver module for SMF, 1550-nm wavelength, commercial operating temperature range, 32°F to 158°F (0°C to 70°C)

DWDM-X2-xx.xx=

Cisco 10GBASE DWDM X2 transceiver module for SMF, longwave, commercial operating temperature range, 32°F to 158°F (0°C to 70°C)

XFP-10GER-OC192IR=
XFP-10GER-192IR+=

Cisco multirate XFP transceiver module for 10GBASE-ER Ethernet and OC-192/STM-64 intermediate-reach (IR-2) Packet-over-SONET/SDH (POS) applications, SMF, 1550-nm wavelength, commercial operating temperature range, 32°F to 158°F (0°C to 70°C)

XFP-10GZR-OC192LR=

Cisco multirate XFP transceiver module for 10GBASE-ZR Ethernet and OC-192/STM-64 long-reach Packet-over-SONET/SDH (POS) applications, SMF, 1550-nm wavelength, commercial operating temperature range, 32°F to 158°F (0°C to 70°C)

DWDM-XFP-xx.xx=

Cisco 10GBASE DWDM XFP transceiver module for SMF, longwave, commercial operating temperature range, 32°F to 158°F (0°C to 70°C)

Cisco transceiver modules not listed in Table 1 do not support links over NZDSF.
Note that the deployment over NZDSF does not improve power budget as this parameter is related to the characteristics of the transceiver and not the fiber.

For More Information

For more information about the Cisco transceiver modules, visit http://www.cisco.com/en/US/products/hw/modules/ps5455/prod_module_series_home.html.