WDM

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WDM

or

wdm

abbreviation for
(Telecommunications) wavelength division multiplex: a system in which several independent signals may be sent down an optical fibre link by monitoring them on light-carriers of different wavelengths
References in periodicals archive ?
UK-based optical products supplier Bookham Technology has introduced its new Optical Channel Monitor (OCM), a multi-channel dense wavelength division multiplexing (DWDM) integrated optical component designed for use in systems with up to 40 channels.
Optelian's TMX-2200 is an ideal DWDM transport solution for 100 GbE or OTU4 services.
FiberStore 200G DWDM modules can combine and split passive up to 16 channels 200GHz DWDM wavelengths in a pair of fiber, and housed in a small package.
Using Juniper's T Series Core Routers, the router-integrated optical DWDM interfaces will interoperate with Nokia Siemens Networks' hiT7300 WDM platform and be managed by the company's carrier grade Transport Network Management System (TNMS).
In addition to the general difficulty of miniaturizing optical transceiver units, commercializing an XFP optical transceiver with DWDM specifications has previously been an insurmountable challenge.
This device creates eight unique optical service carriers from a single broadcast and a single DWDM narrowcast input, carrying up to 40 ITU optical channels, passing the remaining DWDM channels to an optical output port for cascading of multiple Optiplexes.
This mirror of Site 1 data has been kept synchronized up until the time of the disaster with Site 1 data by the iSCSI switch at Site 1 performing synchronous mirroring over the dark fiber DWDM connection.
"DWDM in the metro has an entirely different value proposition than DWDM in the long haul," says JR Roedel, vice president of strategic development for GiantLoop Networks.
DWDM vastly increases the amount of information that can be carried by a single optical fibre.
At a time where network security has become a global concern, PacketLight DWDM and OTN solutions have the most advanced cryptography solution, which performs Layer-1 encryption to ensure that nefarious elements cannot intercept any data sent across the fibre network.
Valley Home, CA, July 18, 2013 --(PR.com)-- FiberStore has pushed out the new Erbium Doped Fiber Amplifier C-band DWDM EDFA for high power, high gain and low noise amplification for 40-80 channels at wavelengths of the C band.
NORDIC BUSINESS REPORT-10 May 2006-Ericsson to supply metro DWDM optical network to Telefonica de Espana(C)1994-2006 M2 COMMUNICATIONS LTD http://www.m2.com