Used Cisco Catalyst GBIC Modules - 1000Base-ZX Extended Reach GBIC (Singlemode)

Part # WS-G5487

Product Description:

1000Base-ZX Extended Reach GBIC (Singlemode); Contains a Class 1 laser of 1550 nm for 1000BASE-ZX (extended wavelength) applications.

The Cisco 1000BASE-ZX GBIC (WS-G5487) operates on ordinary single-mode fiber optic link spans up to 43.4 miles (70 km) long. Link spans of up to 62 miles (100 km) are possible using premium single-mode fiber or dispersion shifted single-mode fiber. The GBIC provides an optical link budget of 23 dB-the precise link span length will depend on multiple factors such as fiber quality, number of splices, and connectors. When shorter distances of single-mode fiber are used, it might be necessary to insert an in-line optical attenuator in the link to avoid overloading the receiver: A 5-dB or 10-dB inline optical attenuator should be inserted between the fiber-optic cable plant and the receiving port on the Cisco 1000BASE-ZX GBIC at each end of the link whenever the fiber-optic cable span is less than 15.5 miles (25 km).

 

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