Built-In Interfaces - Cisco IAD2801 Series Installation Manual

Chapter 1 Overview

Built-in Interfaces

Table 1-1
Table 1-1 Summary of Cisco IAD2801 Built-In Interfaces
100BASE-T Fast Ethernet (FE)
IAD2801 Ports (RJ-45)
IAD2801-2BRI-A/K9 2
IAD2801-4BRI-A/K9 2
IAD2801-4BRI-S/K9 2
Memory
Cisco IAD2801 contain the following types of memory:
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•
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Table 1-2
represent the minimum usable memory. You can install additional RAM in multiples of the default
amount, up to the maximum amount.
Table 1-2
Router
Platform
Cisco
IAD2801
1. Cisco IAD2801 has 128 MB of SDRAM soldered onto the system board. You can install a DIMM into the expansion slot to
OL-12433-01
summarizes the interface ports built into the chassis.
DRAM—Stores the running configuration and routing tables and is used for packet buffering by the
network interfaces. Cisco IOS software executes from DRAM memory.
Boot/NVRAM—Internal flash memory. Stores the bootstrap program (ROM monitor), the
configuration register, and the startup configuration.
Flash memory—External flash memory. Stores the operating system software image.
summarizes the memory options for Cisco IAD2801. The default memory numbers for RAM
Router Memory Specifications
DRAM
Type—SDRAM DIMM
DIMM size—256 MB
DIMM expansion slots—1
Default onboard memory—128 MB
Maximum memory—384 MB
increase memory to the maximum of 384 MB.
Cisco IAD2801 Series Integrated Access Devices Hardware Installation Guide
Universal Serial Console Port
Bus (USB) Ports (RJ-45)
1 1
1 1
1 1
1
Hardware Features
Auxiliary Port
(RJ-45)
1
1
1
Boot/NVRAM Flash Memory
Internal 4-MB External CompactFlash
flash memory memory cards of the
following optional
sizes:
64 MB (default)
•
1-3