Cisco 1812j Manual

CH A P T E R
 
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Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide
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7
Installing and Upgrading Internal Modules
This chapter describes how to install or upgrade modules that are located within your Cisco 1800 series 
fixed-configuration router, such as memory modules and an inline power supply card. You need to 
remove the router chassis cover to install or remove these items. This chapter contains the following 
sections:
 Safety Warnings, page 7-1
 Removing...

 
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Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide
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Chapter 7      Installing and Upgrading Internal Modules
  Removing the Chassis Cover
WarningDo not work on the system or connect or disconnect cables during periods of lightning activity. 
Statement 1001
WarningRead the installation instructions before connecting the system to the power source. Statement 1004
WarningBefore working on equipment that is connected to power lines, remove jewelry (including...

 
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Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide
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Chapter 7      Installing and Upgrading Internal Modules
  Locating Modules
Step 3Insert a flat-blade screwdriver between the chassis and chassis cover at the screwdriver pry point on one 
side of the chassis, as indicated in 
Figure 7-1. Rotate the screwdriver 90 degrees to disengage the chassis 
cover from the chassis.
Step 4Repeat Step 3 on the other side of the chassis, as indicated in Figure 7-1.
Step...

 
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Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide
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Chapter 7      Installing and Upgrading Internal Modules
  Installing and Removing DIMMs
Installing and Removing DIMMs
Cisco 1800 series fixed-configuration routers have 128 MB of DDR SDRAM installed on the system 
board. You can install an additional DIMM in the DIMM connector to expand system memory to a 
maximum of 384 MB.
Before you remove or install a DIMM, remove the chassis cover as described in the...

 
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Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide
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Chapter 7      Installing and Upgrading Internal Modules
  Installing the Optional Inline Power Supply
Installing a DIMM
Follow these steps to install a DIMM in a Cisco 1800 series fixed-configuration router:
Step 1Locate the DIMM on the system board. See Figure 7-2 for the location of the DIMM connector. 
Step 2Remove any existing DIMM by gently pulling the spring-loaded clips on the end of the socket far...

 
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Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide
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Chapter 7      Installing and Upgrading Internal Modules
  Installing the Chassis Cover
WarningInstallation of the equipment must comply with local and national electrical codes. Statement 1074
CautionEnsure that the inline power supply is not connected to the back of the router prior to installation of the 
inline power supply card. Failure to do so may result in damage to the inline power supply card or...

 
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Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide
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Chapter 7      Installing and Upgrading Internal Modules
  Removing and Installing CompactFlash Cards
Removing and Installing CompactFlash Cards
This section describes how to install and replace CompactFlash cards in Cisco 1800 series 
fixed-configuration routers. It contains the following sections:
 Preventing Electrostatic Discharge Damage
 Removing a CompactFlash Memory Card
 Installing a CompactFlash...

 
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Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide
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Chapter 7      Installing and Upgrading Internal Modules
  Removing and Installing CompactFlash Cards
Figure 7-5 CompactFlash Memory Card Slot in Cisco 1800 Series Fixed-Configuration Routers
Installing a CompactFlash Memory Card
To install a CompactFlash memory card, perform the following steps (see Figure 7-5):
Step 1Make sure that the ejector button is pressed flush with the front panel, so that it does...

 
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Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide
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INDEX
Numerics
10BASE-T     1-3
802.11b/g integrated radio module     1-3, 1-5
A
AC power connection     4-1
ADSL-over-ISDN port
description
     1-3
ADSL-over-POTS port
description
     1-3
antennas
connecting to the router
     4-8
supported     1-6
autosensing feature     1-3
auxiliary port
connecting to
     4-8
description of     4-7
B
baud rate
modem
     4-8
C
cables
autosensing in router
     1-3...

 
Index
IN-2
Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide
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damage prevention     2-3
ESD-preventive wrist strap     2-3
Ethernet cable types     4-4
F
Fast Ethernet WAN port
description
     1-3
feature summary (table)     1-3
G
G.SHDSL port
description
     1-3
ground connection
for Cisco 3725
     3-3
for Cisco 3745     3-4
H
high temperature, troubleshooting     6-3
humidity, specifications     1-12
I
installation
checklist
     2-5
desktop     3-2
site...