<https://www.sitycom.com/products/ntk580bl-nortel-trcvr-2-5gb-s-175km-1542-14nm-lc-dwdm-pluggable-optical-mod-18001-0/>
<http://schema.org/description>
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<https://www.sitycom.com/products/ntk580bl-nortel-trcvr-2-5gb-s-175km-1542-14nm-lc-dwdm-pluggable-optical-mod-18001-0/>