Cisco Systems Dual Single Channel Oadm Module E (1590NM)
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This CWDM OADM is passive device that can multiplex/ demultiplex or add/drop wavelengths from multiple fibers onto one optical fiber. The OADM connectors are interfaced to the color-matching CWDM GBIC or CWDM SFP transceivers on the equipment side.
Single-wavelength OADM are equipped with two channels traveling different network paths (east and west) to offer redundancy or protection in rings.
Network Architecture Options: Ring (point-to-point possible)
Connect the network west backbone single-mode fiber-optic cable to the NETWORK WEST connector on the OADM module, and connect the east backbone single-mode fiber-optic cable to the NETWORK EAST connector on the OADM module