Vanguard Networks' 6800 Series Overview

• Modular, high performance mid-range platforms for larger enterprise branch offices, where large bandwidth support, Ethernet connectivity, serial port support, and increased performance are essential.
• Performance Enhancemente Kit (PEK) Option available for higher throughput in  multilink or heavily utilized networks.
• Available in two versions, the Vanguard 6840 and the Vanguard 6841 (includes hardware-accelerated encryption)
• Investment protection with support for IP, SNA, and other legacy protocols, voice and video in a single device.
• Supports IP and MPLS VPNs, Frame Relay, ATM, and Leased Line network services.
• T1/E1/PRI Digital voice support with up to 30 or 60 channels with R2D and ISDN signaling
• http://vanguardnetworks.com/products-6800.html