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IEEE Std 802.3ab (GigaBit Ethernet 1000BaseT)
Publisher: Institute of Electrical & Electronics Enginee

Fully compliant with IEEE 802.3 10BASE-T Ethernet, IEEE 802.3u 100BASE-TX Fast Ethernet, IEEE 802.3ab 1000BASE-T Gigabit Ethernet standard. 16 ports for 10/100BASE-T（X）full and half duplex connections. IEEE 802.3ab 1000Base-T Gigabit Ethernet ANSI/IEEE Std 802.3 Nway Auto-Negotiation IEEE 802.3x flow control. The Cisco Catalyst 4000/4500 Series 48-port 10/100/1000BASE-T line card extends Cisco's leadership in the modular switched Ethernet market, providing the industry's highest density auto-negotiating Gigabit Ethernet from the network edge directly to Certifications & Standards, Standard Network Protocols: Gigabit Ethernet: IEEE 802.3z, IEEE 802.3x, IEEE 802.3ab. The Cisco Catalyst 2970G-24T Switch is affordable Gigabit Ethernet switch that deliver wire-speed intelligent services for small and medium businesses and enterprise branch offices. IEEE 802.3ab, also known as 1000BaseT, is a standard for gigabit ethernet over copper wiring cable (Cat 5e or better). Safety Certifications: UL 1950; EN 60950; CSA-C22.2 no 950; IEC 950. Everything About Gigabit Ethernet It is described in a single standard, IEEE std. The second standard, 802.3ab, defined the coding and physical layer for 1000Base-T, which is compatible with 10Base-T and 100Base-T. IEEE 802.3u 100Base-TX Fast Ethernet. IEEE 802.3ab 1000BASE-T Gigabit Ethernet. RJ-45 for 8 x 10/100/1000 Mbps Ethernet ports, LAN1 default VIP, Top Priority Port.