Cisco 2691 - VPN Bundle Router Hardware Installation Manual page 22

Hardware Features
Table 1-1 Summary of Cisco 2600 Series LAN Interfaces (continued)
Ethernet
Model (10BASE-T)
Cisco 2621XM —
Cisco 2650 —
Cisco 2650XM —
Cisco 2651 —
Cisco 2651XM —
Cisco 2691 —
In addition to the interfaces listed in
features:
•
•
•
•
•
•
Figure 1-1
Note
Cisco 2600 series routers are either single rack-unit (1RU) or two rack-unit (2RU) high.
Note
The number and type of interfaces vary, depending on the specific router.
Figure 1-1
Cisco 2600 Series Routers Hardware Installation Guide
1-2
Token Ring
(RJ-45)
—
—
—
—
—
—
Dynamic random-access memory (DRAM) for main memory and shared memory (Cisco 261x and
Cisco 262x routers)
Synchronous dynamic random-access memory (SDRAM) for main memory and shared memory
(Cisco 26xxXM, Cisco 265x, and Cisco 2691 routers)
Nonvolatile random-access memory (NVRAM) for storing configuration information
Flash memory—Stores the operating system software image. In Cisco 2691 routers, flash memory
is a CompactFlash memory card. In all other Cisco 2600 series routers, flash memory is a single
inline memory module (SIMM).
EIA/TIA-232 (RJ-45) console port for local system access by using a console terminal
EIA/TIA-232 (RJ-45) auxiliary port for remote system access or dial backup by using a modem
and Figure 1-2 show examples of Cisco 2600 series routers.
Cisco 2600 Series Router Rear Panel—Example of 1RU Router
Fast Ethernet Network
(10/100) Module Slot
2 1
1 1
1 1
2 1
2 1
2 1
Table 1-1, Cisco 2600 series routers include the following hardware
Chapter 1 Overview of Cisco 2600 Series Routers
Advanced
WAN Interface Integration
Card Slots Module Slots
2 1
2 1
2 1
2 1
2 1
3 2
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