Cisco 1905 User Manual

Americas Headquarters:
Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA
Installing and Upgrading Internal Modules and
FRUs in Cisco 1900 Series ISRs
First Published: May, 14, 2010
OL-22230-01
This document describes how to install or upgrade modules that are located internally within your Cisco
1900 series integrated services router, such as internal modules, memory, internal service modules
(ISMs), power supplies, and blowers. You need to remove the cover from the router to install or remove
any of these items. The document contains the following sections:
Note The Cisco 1905 ISR and Cisco 1921 ISR have no user- removable or user-installable components. Do
not remove the chassis cover.
• Safety Warnings, page 2
• Modules Internal to the Cisco 1905 and 1921 Routers, page 4
• Modules Internal to the Cisco 1905 and 1921 Routers, page 4
• Obtaining Documentation and Submitting a Service Request, page 24
Note To see translations of the warnings that appear in this publication, refer to the Regulatory Compliance
and Safety Information for Cisco 1900 Series Integrated Services Routers document that accompanies
your router.

Cisco 1905 Specifications

General

Product Type	Router
Form Factor	Desktop
Connectivity Technology	Wired
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet
RAM	256 MB
Flash Memory	256 MB
Weight	2.2 lbs
Firewall	Yes
Wireless	No
Power Supply	External power adapter
USB Ports	1 x USB
Network / Transport Protocol	L2TP, PPPoE, IPSec
Remote Management Protocol	HTTP, HTTPS, SNMP, SSH, Telnet
Features	VPN support, VLAN support, DHCP server, firewall protection, NAT support, Quality of Service (QoS)
Compliant Standards	IEEE 802.1Q