Cisco 3550 12G - Catalyst Switch - Stackable Bedienungsanleitung PDF herunterladen (Seite 6)

6 Cisco Product Catalog, June, 2002

Speciﬁcations

Hardware

Table 21-113: Technical Speciﬁcations for the Catalyst 3550 Series Intelligent Ethernet Switches

Description Specification

Performance 24 Gbps switching fabric (Catalyst 3550-12G and Catalyst 3550-12T), 13.6 Gbps switching fabric (Catalyst

3550-48), 8.8 Gbps switching fabric (Catalyst 3550-24)

12 Gbps maximum forwarding bandwidth at Layer 2 and Layer 3 (Catalyst 3550-12G and Catalyst 3550-12T),

6.8 Gbps maximum forwarding bandwidth at Layer 2 and Layer 3 (Catalyst 3550-48), 4.4 Gbps maximum

forwarding bandwidth at Layer 2 and Layer 3 (Catalyst 3550-24)

17.0 Mpps forwarding rate for 64-byte packets (Catalyst 3550-12G and 3550-12T), 10.1 Mpps forwarding rate

for 64-byte packets (Catalyst 3550-48), 6.6 Mpps forwarding rate for 64-byte packets (Catalyst 3550-24)

4 MB memory architecture shared by all ports (Catalyst 3550-12G, 3550-12T, and 3550-48), 2 MB memory

architecture shared by all ports (Catalyst 3550-24)

32 MB DRAM and 8 MB Flash memory

Conﬁgurable up to 12,000 MAC addresses (Catalyst 3550-12G and 3550-12T), Conﬁgurable up to 8,000

MAC addresses (Catalyst 3550-48 and 3550-24)

Conﬁgurable up to 24,000 unicast routes (Catalyst 3550-12G and 3550-12T), Conﬁgurable up to 16,000

unicast routes (Catalyst 3550-48 and 3550-24)

Conﬁgurable up to 8,000 multicast routes (Catalyst 3550-12G and 3550-12T), Conﬁgurable up to 2,000

multicast routes (Catalyst 3550-48 and 3550-24)

Conﬁgurable Maximum Transmission Unit (MTU) of up to 2,025 Bytes for bridging of MPLS tagged frames

(Catalyst 3550-12G and 3550-12T), Conﬁgurable Maximum Transmission Unit (MTU) of up to 1,546 Bytes

for bridging of MPLS tagged frames (Catalyst 3550-48 and 3550-24)

Connectors and Cabling 10BaseT ports: RJ-45 connectors; two-pair Category 3, 4, or 5 unshielded twisted-pair (UTP) cabling

100BaseTX ports: RJ-45 connectors; two-pair Category 5 UTP cabling

1000BaseT ports: RJ-45 connectors; two-pair Category 5 UTP cabling

1000BaseT GBIC-based ports: RJ-45 connectors; two-pair Category 5 UTP cabling1000BaseSX, -LX/LH, -

ZX GBIC-based ports: SC ﬁber connectors, single-mode or multimode ﬁber

GigaStack GBIC ports: copper-based Cisco GigaStack cabling

Management console port: 8-pin RJ-45 connector, RJ-45-to-RJ-45 rollover cable with RJ-45-to-DB9 adaptor

for PC connections. For terminal connections, use RJ-45-to-DB25 female DTE adapter (can be ordered

separately from Cisco, part number ACS-DSBUASYN=)

Power Connectors Customers can provide power to a switch by using either the internal power supply or the Cisco Redundant

Power System (RPS) 300. The connectors are located at the back of the switch.

Internal Power Supply Connector

The internal power supply is an auto-ranging unit.

The internal power supply supports input voltages between 100 and 240 VAC.

Use the supplied AC power cord to connect the AC power connector to an AC power outlet.

Cisco RPS Connector

The connector offers connection for an optional Cisco RPS 300 that uses AC input and supplies DC output to

the switch.

The connector offers a 300-watt redundant power system that can support six external network devices and

provides power to one failed device at a time.

The connector automatically senses when the internal power supply of a connected device fails and provides

power to the failed device, preventing loss of network trafﬁc.

When the internal power supply has been brought up or replaced, the Cisco RPS 300 automatically stops

powering the device.

Attach only the Cisco RPS 300 (model PWR300-AC-RPS-N1) to the redundant-power-supply receptacle.

Mean Time Between Failure (MTBF) 110,332 hours (Catalyst 3550-12G)

113,658 hours (Catalyst 3550-12T)

193,000 hours (Catalyst 3550-24)

163,000 hours (Catalyst 3550-48)

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