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Overview of Cisco 3600 Series Routers
Cisco 3600 series routers are modular access routers with LAN and WAN connections that can be
configured by means of interchangeable modules and WAN interface cards. With over 70 modular
interface options, Cisco 3600 series routers provide solutions for data, voice, video, hybrid dial access,
Virtual Private Networks (VPNs), and multiprotocol data routing.
This chapter includes the following sections:
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Hardware Features
The Cisco 3600 series includes the Cisco 3620, Cisco 3640, Cisco 3631, and Cisco 3660 routers, which
have the following features:
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Figure 1-1
OL-2056-05
Hardware Features, page 1-1
Modules and Interface Cards, page 1-5
Memory, page 1-6
Interface Numbering, page 1-8
System Specifications, page 1-12
Regulatory Compliance, page 1-15
Two slots for Personal Computer Memory Card International Association (PCMCIA) cards
(Cisco 3620, Cisco 3640, and Cisco 3660 routers only)
Flash memory capability
Sockets for memory modules; either:
Four sockets for DRAM single in-line memory modules (SIMMs), user-configurable as shared
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memory or main (processor) memory (Cisco 3620 and Cisco 3640 routers only)
Two sockets for SDRAM dual in-line memory modules (DIMMs), user-configurable as shared
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memory or main (processor) memory (Cisco 3631 and Cisco 3660 routers only)
High-speed console and auxiliary ports (up to 115.2 kbps)
Hardware thermal alarm to warn of excessively high operating temperature
through
Figure 1-4
show the front panels of the Cisco 3600 series routers.
C H A P T E R
Cisco 3600 Series Routers Hardware Installation Guide
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