Introducing the Cisco Compatible 10GBASE-ZR DWDM XFP Tunable C-Band 50Ghz Spacing ITU CH 1-80nm 80km w/DOM Single Mode Duplex LC | ONS-XC-10G-C. As an Authorised Turbo X Partner, we offer the best price and excellent service. Our dedicated team is here to find your perfect solution. Request a quote or contact us now for prompt assistance.