Cisco GLC-ZX-SM-RGD 1000BASE-ZX, SFP modules, 70KM (Brand New Sealed)
Original Cisco GLC-ZX-SM-RGD 1000BASE-ZX extended distance; Rugged. The industry-standard Cisco Small Form-Factor Pluggable (SFP) Gigabit Interface Converter links your switches and routers to the network.
The hot-swappable input/output device plugs into a Gigabit Ethernet port or slot. Optical and copper models can be used on a wide variety of Cisco products and intermixed in combinations of 1000BASE-T, 1000BASE-SX, 1000BASE-LX/LH, 1000BASE-EX, 1000BASE-ZX, or 1000BASE-BX10-D/U on a port-by-port basis. Hot swappable to maximize uptime and simplify serviceability. Flexibility of media and interface choice on a port-by-port basis, so you can "pay as you populate".Robust design for enhanced reliability. Supports Digital Optical Monitoring (DOM) capability. 1000BASE-ZX SFP for long-reach single-mode fibers. The 1000BASE-ZX SFP operates on standard single-mode fiber-optic link spans of up to approximately 70 km in length. The SFP provides an optical link budget of 21 dB, but the precise link span length depends on multiple factors such as fiber quality, number of splices, and connectors.
When shorter distances of Single-Mode Fiber (SMF) are used, it might be necessary to insert an inline optical attenuator in the link to avoid overloading the receiver. A 10-dB inline optical attenuator should be inserted between the fiber-optic cable plant and the receiving port on the SFP at each end of the link whenever the fiber-optic cable span loss is less than 8 dB. Product Description: 1000BASE-ZX extended distance; rugged. Transmit Power Range (dBm): +5 to 0.
Receiver Power Range (dBm): -3 to -23. Wavelength Range (nm): 1500 to 1580.
Dimensions: (H x W x D): 8.5 x 13.4 x 56.5 mm. Operating temperature range: Industrial temperature range (IND): -40 to 85°C (-40 to 185°F).
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