Cisco Systems 3012 Gigabit Ethernet X2 Transceiver Module Cable Specifications, Modal, X2 Product

Appendix B Connector and Cable Specifications

Cable and Adapter Specifications

10-Gigabit Ethernet X2 Transceiver Module Cable Specifications

Table B-1lists the port cabling specifications for the 10-Gigabit Ethernet X2 transceiver modules. Each port must match the wave-length specifications on the other end of the cable, and for reliable communications, the cable must not exceed the stipulated cable length. Table B-2lists the transceiver optical transmit and receive specifications.

Table B-1	X2 Transceiver Port Cabling Specifications
					Modal
X2 Product		Wavelength		Core Size	Bandwidth
Number		(nm)	Cable Type	(microns)	(MHz/km)	Maximum Cabling Distance
X2-10GB-SR		850	MMF	62.5	160	85 feet (26 m)
				62.5	200	108 feet (33 m)
				50.0	400	217 feet (66 m)
				50.0	500	269 feet (82 m)
				50.0	2000	984 feet (300 m)
X2-10GB-LX4		1310	MMF1	62.5	500	984 feet (300 m)
				50.0	400	787 feet (240 m)
				50.0	500	984 feet (300 m)
X2-10GB-CX4		—	InfiniBand	—	—	49 feet (15 m)
			(copper)

1. Mode conditioning patch cord is recommended for MMF applications.

Table B-2	X2 Transceiver Optical Transmit and Receive Specifications
					Transmit and
X2 Product			Transmit Power	Receive Power	Receive
Number		Transceiver Type	(dBm)	(dBm)	Wavelength (nm)
X2-10GB-SR		10GBASE-SR,	–11(Max)	–1.0 (Max)	840 to 860
		850-nm MMF	–7.3 (Min)	–9.9 (Min)
X2-10GB-LX4		10GBASE-LX4	–0.5 per lane (Max)	–0.5 (Max)	Four lanes; overall
		WWWDM	—	–14.4 per lane	range: 1269 to 1356
		1300-nm MMF

1.The launch power shall be the lesser of the Class 1 safety limit or the maximum receive power. Class 1 laser requirements are defined by IEC 60825-1: 2001.

Catalyst Switch Module 3110G, 3110X, and 3012 for IBM BladeCenter Hardware Installation Guide

OL-12192-01 B-3