Cisco 7120-4T1 - 7120 Router Especificaciones descargar pdf (Pagina 36)

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Cisco 7100 Series VPN Router Installation and Configuration Guide

78-6341-03

Chapter 1 Overview

Cisco 7140 Series Overview

Cisco 7140 series routers consist of the following models:

• Cisco 7140-2T3—Provides two high-speed, synchronous serial ports that support full-duplex

operation at T3 (45-Mbps) speeds.

• Cisco 7140-2E3— Provides two high-speed, synchronous serial ports that support full-duplex

operation at E3 (34-Mbps) speeds.

• Cisco 7140-2AT3—Provides two high-speed, ATM ports that support full-duplex operation at T3

(45-Mbps) speeds.

• Cisco 7140-2AE3—Provides two high-speed, ATM ports that support full-duplex operation at E3

(34-Mbps) speeds.

• Cisco 7140-2MM3—Provides two ATM ports that support full-duplex operation at OC-3c/STM1

multimode (155-Mbps) speeds.

• Cisco 7140-8T—Provides eight high-speed, synchronous serial ports that support full-duplex

operation at T1 (1.544-Mbps) and E1 (2.048-Mbps) speeds.

• Cisco 7140-2FE—Provides two fixed LAN ports—10BaseT/100BaseTX autosensing Ethernet/Fast

Ethernet (full and half duplex) equipped with an RJ-45 receptacle.

Cisco 7140-2T3

The Cisco 7140-2T3 provides two high-speed, synchronous serial ports that support full-duplex

operation at T3 (45-Mbps) speeds. The Cisco 7140-2T3 provides the following features:

• Integrated DSU functionality

• 16- and 32-bit CRCs

• B3ZS line coding

• Scrambling and bandwidth reduction

• Loopbacks

• ATM-DXI, Frame Relay, HDLC, SMDS, and PPP serial encapsulation

• RFC 1213 and RFC 1407

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Cisco 7120-4T1 - 7120 Router Especificaciones Pagina 36