Cisco 2950 - Catalyst Switch Ficha de dados - Página 8

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Cisco 2950 - Catalyst Switch Ficha de dados
Product Features and Benefits
Feature
Performance
Robust Performance
Over Existing Telephone
Wiring
All contents are Copyright © 2002 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement.
Benefit
• 2-15 Mbps bandwidth over category 1/2/3/5 single-pair copper wiring over distances up
to 5,000 feet.
• Profiles available for optimizing upstream and downstream bandwidth requirements:
(Actual achievable data rates depend on cable quality, noise and cross talk
environment.)
Profile Name
Downstream
LRE-15
15
LRE-15_5
15
LRE-15_3
15
LRE-15_1
15
LRE-10
10
LRE-10_5
10
LRE-10_3
10
LRE-10_1
10
LRE-8
8
LRE-7
7
LRE-5
5
LRE-4
4
LRE-4_1
4
LRE-3
3
LRE-2
2
LRE-998-15-4-M2
15
LRE-997-10-4-M2
10
• Rate selection automates the process of selecting a profile that is optimal on a given
interface thereby greatly improving the ease of installation and optimizing the
bandwidth for a given environment. Profiles are grouped into sequences that can be
configured by the customer.
• Flexibility to use either 10BaseT/100BaseTX/1000BaseT autosensing ports, or SFPs for
fiber connectivity to support LRE switch daisy-chaining, aggregation or server/router
connectivity.
• Full-duplex operation on all ports, delivering up to 15 Mbps symmetric on LRE ports
and up to 1000 Mbps symmetric on 10/100/1000 and SFP ports.
Cisco Systems, Inc.
Page 8 of 19
Upstream
Notes
15
LRE-15LL for low latency
5
3
1
10
LRE-10LL for low latency
5
3
1
8
7
5
LRE-5LL for low latency
4
1
LRE-4_1LL for low latency
3
2
4
Plan 998 compliant w/ mask 2
4
Plan 997 compliant w/ mask 2