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Reference : Cisco and Networking : Cisco : 3500 : Cisco Catalyst 3508G XL

Cisco Catalyst 3508G XL

The Catalyst® 3508G XL eight-port stackable Gigabit Ethernet switch is a member of the Cisco Systems Catalyst 3500 Series XL, a scalable line of stackable 10/100 and Gigabit Ethernet switches that delivers excellent performance, manageability, and flexibility.

The Catalyst 3508G XL switch features eight Gigabit Interface Converter (GBIC)-based 1000Base-X ports and a 10-Gbps switching fabric. These features make this switch ideal for either high-speed wiring closet stack aggregation or a distribution layer Gigabit Ethernet aggregation switch. The Catalyst 3508G XL aggregates a group of 10/100 and Gigabit Ethernet switches and Gigabit Ethernet servers through Cisco GigaStack® GBICs or standard 1000BASE-X GBICs. The switch is easy to deploy, either on a desktop or in a wiring closet, and features Cisco IOS® software support. Administration of the Cisco desktop Catalyst switches is made even more convenient via the Cisco Cluster Management Suite (CMS) Software.


Performance
	10.8 Gbps switching fabric 6.5 million packets-per-second forwarding rate (Cisco Catalyst 3524-PWR XL) 7.5 million packets-per-second forwarding rate (Cisco Catalyst 3508G XL) (All forwarding rates for 64-byte packets) 5.4 Gbps max. forwarding bandwidth 4 MB shared-memory architecture shared by all ports Packet forwarding rate for 64-byte packets: 14,880 PPS to 10 Mbps ports 148,800 PPS to 100Base-T ports 1,488,000 PPS to 1000Base-X ports 8192 Media Access Control (MAC) addresses 8 MB DRAM and 4 MB Flash memory onboard

Management
	IEEE 802.3x full duplex on 10Base-T, 100Base-TX, and 1000Base-X ports IEEE 802.1D Spanning-Tree Protocol IEEE 802.1Q VLAN IEEE 802.3z 1000Base-X specification 1000Base-X (GBIC) 1000Base-SX 1000Base-LX/LH IEEE 802.3u 100Base-TX specification IEEE 802.3 10Base-T specification

Connectors and Cabling
	10Base-T ports: RJ-45 connectors; two-pair category 3, 4, or 5 unshielded twisted-pair (UTP) cabling 100Base-TX ports: RJ-45 connectors; two-pair Category 5 UTP cabling 1000Base-X GBIC ports: SC fiber connectors, single mode or multimode fiber GigaStack GBIC ports: copper-based Cisco GigaStack cabling Management console port: RJ-45 connector, RS-232 serial cabling

Indicators
	Per-port status LEDs—link integrity, disabled, activity, speed, and full-duplex indications System status LEDs—system, RPS, and bandwidth utilization indications

Warranty
	Note All units include a lifetime return-to-factory warranty

Power consumption
	70W maximum; 600 BTU per hour (vice 239)

AC input voltage
	100 to 120/200 to 240 VAC (autoranging) 50 to 60 Hz

Operating temperature
	32 to 113°F (0 to 45°C)

Storage temperature
	-13 to 158°F (-25 to 70°C)

Operating relative humidity
	10 to 85% noncondensing

Operating altitude
	Up to 10,000 ft (3000 m)

Weight
	12 lb (5.45 kg)

Dimensions (H x W x D)
	1.75 x 17.5 x 16 in. (4.4 x 44.5 x 40.6 cm)

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