Cisco Catalyst 2900 LRE XL switches are based on the Cisco market-leading Catalyst 2900 Series XL 3.2-Gbps switch architecture, and include all Enterprise- class features (all ports) available in Catalyst 2900 XL switches. Now, service providers can use the industry-leading Catalyst switch platform to address a broad range of wiring environments beyond Category 5 cabling. This gives users a low-cost, end-to-end solution and eliminates the need to train installation teams on multiple systems.Catalyst 2900 LRE XL switches deliver dedicated bandwidth per port at rates up to 15 Mbps. LRE transmissions coexist with POTS and ISDN, and can be compatible with ADSL traffic in the same building. The switches can be configured on a per-switch basis to support the following modes:The Catalyst 2912 LRE XL switch provides fast and easy connectivity into building patch panels with one RJ-21 telco connector. The 10/100 Ethernet ports can be used to connect servers, daisy chain multiple LRE switches, or uplink to a Cisco Catalyst 3500 XL, 2900 XL, or 2948G-L3 10/100 Ethernet switch. These connectivity options provide multiple price/performance options to meet building and budget requirements.