3Com 3C13701, Руководство по установке

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4 C
HAPTER
1: I
NTRODUCING THE
R
OUTER
5000 F
AMILY
■
5012High density ports — The Router 5682 supports a 28 2Mbps sync serial
port, which can connect to leased line, Frame Relay, and X.25 networks.
■
Fast Ethernet access — Router 5000 Family routers support 100 Mbps access to
the local Ethernet and flexible networking configuration.
Router 5000 Family
Software
The Router 5000 Family software operates in Synchronous Dynamic Random
Access Memory (SDRAM). Flash memory stores router program files and
configuration files. Boot ROM stores boot and initialization programs.
Data Security The Router 5000 Family routers provides data security through the following
features:
■
Authentication protocols, such as Password Authentication Protocol (PAP),
Challenge Handshake Authentication Protocol (CHAP), and Remote
Authentication Dial In User Service (RADIUS)
■
Firewall and packet filtering to prevent intrusions from external networks
■
Virtual Private Network (VPN) for example, GRE, L2TP; IP Security (IPSec); and
Internet Key Exchange (IKE) technologies, to guarantee the security of the
network in the Internet environment
■
Backup solutions based on backup center technology
Online Upgrades Application and configuration software can be upgraded online with 512 KB Boot
ROM and 32MB Flash memory.
Router 5000 Family
Hardware
The Router 5000 Family routers share the following hardware features:
n
Fixed ports
n
Power supply and protection ground
n
LEDs
Fixed Ports The Router 5000 Family routers provide the following fixed ports:
n
Console port
n
AUX port
n
Ethernet port
Table 1 lists the attributes of the Router 5000 Family console port.
Table 1 Router 5000 Family Console Port Specifications
Attribute Description
Connector type RJ-45
Interface standard Asynchronous EIA/TIA-232
Baud rate 9600 to 115200 bps
Default 9600 bps Services supported
Connecting with character terminal Connecting with serial ports of the local PCs
and operating the terminal emulation
program on the PCs