Cisco Systems 7401ASR manual Product Number, Description Operating Distance, Gbic-Sx=, Gbic-Lx/Lh=

Chapter 2 Rack-Mounting, Tabletop Installation, and Cabling

Connecting I/O Cables

Table 2-4 GBIC Products, Description, and Operating Distance

Product
Number	GBIC	Description	Operating Distance
GBIC-SX=	Short wavelength	Contains a Class 1 laser of	Operates on standard
or	(1000BASESX)	850 nm for 1000BASESX	multimode fiber-optic link
WS-G5484=		(short wavelength)	spans of up to 1804 ft
		applications.	(550 m).
GBIC-LX/LH=	Long wavelength/	Contains a Class 1 laser of	Operates on single-mode and
or	long haul	1300 nm for	multimode fiber-optic link
WS-G5486=	(1000BASELX/LH)	1000BASELX/LH (long	spans of up to 6.2 miles
		wavelength) applications.	(10 km).
GBIC-ZX= or	Extended distance	Contains a Class 1 laser of	Operates on ordinary
WS-G5487=	(1000BASEZX)	1550 nm for 1000BASEZX	single-mode fiber-optic link
		(extended wavelength)	spans of up to 43.5 miles
		applications.	(70 km). Link spans of up to
			62.1 miles (100 km) are
			possible using premium
			single-mode fiber or
			dispersion-shifted
			single-mode fiber.

For cabling specifications, including specific cable maximum distances, see Appendix A, “Specifications.”.

Caution If you plan to use a GBIC-LX/LH or WS-G5486 at distances greater than 984.25 feet (300 meters) over 50/125-micron or 62.5/125-micron multimode fiber, you must use the mode-conditioning patch cord to prevent data transmission problems. (See the “Attaching the Mode-Conditioning Patch Cord” section on page 2-21.)

Warning Class 1 laser product.

Warning Class 1 LED product.

	Cisco 7401ASR Installation and Configuration Guide
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