Cisco WS-C3550-48-EMI Manual de usuario descargar pdf (Pagina 15)

Cisco Systems, Inc.

Page 15 of 19

Standards

(continued)

• 1000BASE-CWDM GBIC 1510nm

• 1000BASE-CWDM GBIC 1530nm

• 1000BASE-CWDM GBIC 1550nm

• 1000BASE-CWDM GBIC 1570nm

• 1000BASE-CWDM GBIC 1590nm

• 1000BASE-CWDM GBIC 1610nm

• RMON I and II standards

• SNMPv1, SNMPv2c, SNMPv3

Y2K • Y2K compliant

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-T ports: RJ-45; two-pair Category 5 UTP cabling

• 1000BASE-T GBIC-based ports: RJ-45 connectors; two-pair Category 5 UTP cabling

• 1000BASE-SX, -LX/LH, -ZX, and CWDM GBIC-based ports: SC ﬁber connectors, single-

mode or multimode ﬁber

• Cisco 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 adapter for PC connections; for terminal connections, use RJ-45-to-DB25

female data-terminal-equipment (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 RPS. The RPS 300 is compatible with all Catalyst 3550 models except the 3550-24-DC

and 3550-24 PWR. The RPS 675 is compatible with all Catalyst 3550 models except the

3550-24-DC. 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 675 Connector

• The connector offers connection for an optional Cisco RPS 675 that uses AC input and

supplies DC output to the switch.

• The connector offers a 675-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.

• Attach only the Cisco RPS 675 (model PWR675-AC-RPS-NI=) to the redundant power supply

receptacle with this connector. See above for Catalyst 3550 RPS compatibility.

Cisco RPS 300 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.

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

receptacle with this connector. See above for Catalyst 3550 RPS compatibility.

Table 2 Product Speciﬁcations (Continued)

Feature Description

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