Cisco CATALYST 2950-24 XL 24 PORT RJ45 RACK MOUNT 10/100 SWITCH STANDARD SOFTWARE 规格指南
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Feature
Description/Part Numbers
•
IEEE 802.3z 1000BASE-X 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; four-pair Category 5 UTP cabling
•
1000BASE-SX ports: MT-RJ connectors, up to 1800 feet (550 meters) cable distance for 50/125 or up to 900 ft (275 m)
cable distance for 62.5/125 micron multimode fiber-optic cabling
•
Management console port: 8-pin RJ-45 connector, RJ-45-to-DB9 adapter cable for PC connections; for terminal
connections, use RJ-45-to-DB25 female data-terminal-equipment (DTE) adapter (can be ordered separately, Cisco part
number ACS-DSBUASYN=)
number ACS-DSBUASYN=)
MT-RJ Patch
Cables for
Cisco Catalyst
2950SX 24
Switch
Type of cable, Cisco part number:
•
1-meter MT-RJ-to-SC multimode cable, CAB-MTRJ-SC-MM-1M
•
3-meter MT-RJ-to-SC multimode cable, CAB-MTRJ-SC-MM-3M
•
5-meter MT-RJ-to-SC multimode cable, CAB-MTRJ-SC-MM-5M
•
1-meter MT-RJ-to-ST multimode cable, CAB-MTRJ-ST-MM-1M
•
3-meter MT-RJ-to-ST multimode cable, CAB-MTRJ-ST-MM-3M
•
5-meter MT-RJ-to-ST multimode cable, CAB-MTRJ-ST-MM-5M
Power
Connectors
Customers can provide power to a switch by using the internal power supply, the Cisco RPS 675 Redundant Power System.
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.
switch.
–
The connector offers a 675W redundant power system that supports one of up to six external network devices and
provides power to one failed device at a time.
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.
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.
connector.
Indicators
•
Per-port status LEDs: link integrity, disabled, activity, speed, and full-duplex indications
•
System status LEDs: system, RPS, and bandwidth-utilization indications
Dimensions
and Weight
(H x W x D)
•
1.72 x 17.5 x 9.52 in. (4.36 x 44.45 x 24.18 cm) (Cisco Catalyst 2950SX-24, 2950-24, 2950-12)
•
1.72 x 17.5 x 13 in. (4.36 x 44.45 x 33.02 cm) (Cisco Catalyst 2950SX-48, 2950T-48)
•
1 RU high (1.72 in./4.36 cm)
•
6.5 lb (3.0 kg) (Cisco Catalyst 2950SX-24, 2950-24, 2950-12)
•
10.b lb (4.8 kg) (Cisco Catalyst 2950SX-48, 2950T-48)