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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:
The Cisco 1905 ISR and Cisco 1921 ISR have no user- removable or user-installable components. Do
Note
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
and Safety Information for Cisco 1900 Series Integrated Services Routers
your router.
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Related Manuals for Cisco 1905
Summary of Contents for Cisco 1905
- Page 1 (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: The Cisco 1905 ISR and Cisco 1921 ISR have no user- removable or user-installable components. Do Note not remove the chassis cover.
- Page 2 Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs Safety Warnings Safety Warnings IMPORTANT SAFETY INSTRUCTIONS Warning 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.
- Page 3 Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs Safety Warnings This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the Warning absence of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available.
- Page 4 Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Warning Statement 1030 There are no user-serviceable or field replaceable parts in the 1905 and 1921 model routers. For service and support issues see “Obtaining Documentation and Submitting a Service Request”.
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Page 5: Table Of Contents
Modules Internal to the Cisco 1941 Router Modules Internal to the Cisco 1941 Router This section tells how to install the field replaceable modules in the Cisco 1941 router. It contains the following subsections: Opening and Closing the Chassis, page 5 •... - Page 6 Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs Modules Internal to the Cisco 1941 Router Figure 1 Removing the Chassis Screw DO NO T RE MO VE NE TW OR DU RIN G K OP ER...
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Page 7: Locating Modules
Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs Modules Internal to the Cisco 1941 Router Closing the Chassis Make sure that the router is turned off and is disconnected from AC power. Step 1 Slide the top of the router (which is facing up toward you) back onto the bottom of the router. -
Page 8: Installing And Removing Dram Udimms
Caution damaged by mishandling. DRAM UDIMM Location and Orientation On Cisco 1900 series routers, a single DRAM UDIMM socket is located on the system board. See Figure 3 for the location of the UDIMM connector. DRAM UDIMMs have a polarization notch on the mating edge to prevent incorrect insertion. - Page 9 Place the UDIMM in an antistatic bag to protect it from ESD damage. Step 4 Installing a DRAM UDIMM To install a DRAM UDIMM in a Cisco 1900 series router follow these steps: Step 1 Remove the cover to gain access to the system board. If necessary see the “Opening and Closing the...
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Page 10: Installing And Removing Isms
Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs Modules Internal to the Cisco 1941 Router Figure 6 Installing a DRAM UDIMM Step 7 When you finish installing modules, install the cover on the router. If necessary see the “Opening and... -
Page 11: Step
Cisco IOS software of a specified release or later release is required for using an ISM. To determine the version of Cisco IOS software that is running on your router, log in to the router and enter the show version command: Router>... - Page 12 Installing an ISM in a Cisco 1900 Series Router The Cisco 1900 series routers have one ISM connector on the system board. To install the ISM, perform the following steps. The ISM is an optional upgrade. The procedure below assumes you are upgrading your router to include an ISM.
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Page 13: Step
Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs Modules Internal to the Cisco 1941 Router Figure 9 Connecting the ISM to the Cisco 1900 Series System Board Standoffs (4) Remove the four screws from the system board and keep them. The screws will be used to install the ISM... - Page 14 Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs Modules Internal to the Cisco 1941 Router Check that the ISM is installed correctly on the system board. (See Figure 11.) Step 7 Figure 11 Correctly Installed ISM Step 8 When you finish installing modules, install the cover on the router.
- Page 15 Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs Modules Internal to the Cisco 1941 Router Installing and Removing a Power Supply To replace a power supply, perform the following procedure. To complete this procedure, you need a number 2 Phillips screwdriver or flat-blade screwdriver.
- Page 16 Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs Modules Internal to the Cisco 1941 Router If the Cisco 1941 ISR has wireless antennas, you must first remove these by unscrewing each Note antenna counter clockwise. See...
- Page 17 Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs Modules Internal to the Cisco 1941 Router Figure 14 Removing the Power Supply Cable Locate the power supply. See Figure Step 4 Figure 15 Removing the Power Supply...
- Page 18 Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs Modules Internal to the Cisco 1941 Router Replace the AC power supply with the PoE power supply. Step 7 The PoE power supply reveals the PoE connector. Note Tighten the PoE power supply securing screw.
- Page 19 Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs Modules Internal to the Cisco 1941 Router Figure 17 Installing the PoE Cable Be sure to thread the PoE cable through the sheet metal channel shown in Figure...
- Page 20 Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs Modules Internal to the Cisco 1941 Router Figure 18 Installing the AC Cable The AC cable should thread through the sheet metal channel on top of the PoE cable as shown...
- Page 21 Installing a CompactFlash Memory Card, page 23 Preventing Electrostatic Discharge Damage This section describes installing and replacing CompactFlash (CF) memory cards in Cisco 1900 series integrated services routers. It contains the following sections: To prevent ESD damage, follow these guidelines: •...
- Page 22 Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs Modules Internal to the Cisco 1941 Router Figure 19 Inserting Screwdriver in to the CompactFlash Cover C F 0 E D U R IN R E M O V...
- Page 23 Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs Modules Internal to the Cisco 1941 Router Figure 21 CompactFlash Memory Card Slot in Cisco 1900 Series Routers D O N O T C F 1 R E M O V...
- Page 24 Cisco currently supports RSS Version 2.0. Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL: www.cisco.com/go/trademarks. Third-party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company.