CHAPTER
1-1
Cisco 1900 Series Hardware Installation
OL-19084-02
1
Overview of the Router
The Cisco 1900 Series Integrated Services Routers (ISRs) are modular routers with LAN and WAN
connections that can be configured by means of interchangeable interface cards and internal service
modules (ISMs). The series currently consists of the 1905, 1921, 1941, and 1941W (wireless) models.
The 1941W is Wi-Fi CERTIFIED™ and 802.11a/b/g/n-compliant. The modular design of the routers
provides flexibility, allowing you to configure your router according to your needs.
This ISR series has new slots that support next generation Enhanced High-Speed WAN Interface Cards
(EHWICs), Internal Services Modules (ISMs, 1941 only), and 2 CompactFlash cards (1941 only).
Universal serial bus (USB) ports are available for USB devices, and a USB mini Type-B serial console
port is available in addition to the RJ-45 console connector.
This chapter provides an overview of the Cisco 1900 series routers and includes the following sections:
• Safety Warnings, page 1-1
• Chassis Views, page 1-2
• Hardware Features, page 1-6
• Interface Numbering, page 1-14
• Specifications, page 1-14
• Regulatory Compliance, page 1-18
Safety Warnings
Warning
IMPORTANT SAFETY INSTRUCTIONS
This warning symbol means danger. You are in a situation that could cause bodily injury. Before you
work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar
with standard practices for preventing accidents. Use the statement number provided at the end of
each warning to locate its translation in the translated safety warnings that accompanied this device.
Statement 1071
SAVE THESE INSTRUCTIONS
Warning
Ultimate disposal of this product should be handled according to all national laws and regulations.
Statement 1040
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