Specifications

Chapter 1 Overview
Features
1-6
Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide
78-6511-05
Catalyst 2912 LRE and Catalyst 2924 LRE XL Switch-Specific Support
• Long-Reach Ethernet (LRE) technology for
– Data and voice transmission through existing telephone lines (categorized and
noncategorized unshielded twisted-pair cable) in multidwelling or tenant buildings.
– Up to 15 Mbps of bandwidth to remote Ethernet devices at distances of up to 4921 ft
(1500 m) on each switch LRE port.
– Compliance with American National Standards Institute (ANSI) and European
Telecommunication Standards Institute (ETSI) standards for spectral-mode compatibility
with asymmetric digital subscriber line (ADSL), Integrated Services Digital Network
(ISDN), and digital telephone networks.
– Configuration and monitoring of connections between
• Switch LRE ports and the Ethernet ports on remote LRE customer premises equipment
(CPE) devices, such as the Cisco 575 LRE CPE.
• CPE Ethernet ports and remote Ethernet devices, such as a PC.
– Support for connecting to the Public Switched Telephone Network (PSTN) through plain old
telephone service (POTS) splitters such as the Cisco LRE 48 POTS Splitter
(PS-1M-LRE-48).
For information about the Cisco 575 LRE CPE, refer to the Cisco 575 LRE CPE Hardware
Installation Guide. For information about the nonhomologated Cisco LRE 48 POTS Splitter
(PS-1M-LRE-48), refer to the Cisco LRE 48 POTS Splitter Installation Note.
Catalyst 3524-PWR XL Switch-Specific Support
• Ability to provide inline power to Cisco IP Phones from all 24 10/100 Ethernet ports
• Autodetection and control of inline phone power on a per-port basis on all 10/100 ports
• Fan-fault and over-temperature detection through Visual Switch Manager (VSM)
Table 1-1 Features (continued)