JDSU introduced its OCC-55 Smart Optical Channel Checker for CWDM networks. The device is a selective power meter for CWDM applications and serves as low-cost alternative to optical spectrum analyzers (OSAs). The OCC-55, developed for CWDM network installation, maintenance and surveillance teams, is specifically designed for CWDM system installation, upgrades and troubleshooting.http://www.jdsu.com/