3Com - 3C172221

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Contents

SuperStack 3 Switch 4400 1000BASE SX Module 3C17221 User Guide DUA1722 1AAA01 3Com Introduction The SuperStack 3 Switch 4400 1000BASE SX Module 30 7221 provides your SuperStack 3 Switch 4400 with one 850 nm Gigabit Ethernet fiber optic port The Module conforms to the full duplex implementation of the Gigabit Ethernet standard IEEE 802 3z and provides a 1000 Mbps connection to another 1000BASE SX device This port uses 62 5 pm or 50 pm multimode fiber optic cable with MT RJ duplex connectors and supports the segment lengths specified in IEEE 802 3z as shown below Fiber Size Fiber Bandwidth at 850 nm Segment Lengths Supported 62 5 rim 160 MHz km 2 220 m 7 722 ft 200 MHz km 2 275 m 7 902 ft 50 jam 400 MHz km 2 500 m 7 1805 ...