Upgrading System Memory In Cisco 3745 Routers - Cisco 3600 Series Upgrade Instructions

Replacing Connections to the Router
To make final connections to the router, follow these steps:
Read the installation instructions before connecting the system to the power source. Statement 1004
Warning
Replace all network connections.
Step 1
Do one of the following:
Step 2
•
•
Step 3 Turn on the power switch. The power LED on the front panel of the router should come on.
Check the Sys LED on the right side of the front panel to verify that it goes on after a few seconds delay
Step 4
when booting.
Step 5 If you have problems, see the
Step 6 Proceed to the

Upgrading System Memory in Cisco 3745 Routers

Before working on a system that has an on/off switch, turn OFF the power and unplug the power cord.
Warning
Statement 1
Removing the Cisco 3745 Mainboard Tray
To remove the mainboard tray, follow these steps:
Attach an ESD-preventive wrist strap and ensure that it makes good contact with your skin. Connect the
Step 1
equipment end of the wrist strap to the metal back plate of the chassis, avoiding contact with the
connectors.
Turn off the power, but do not unplug the power cord.
Step 2
Caution The Cisco 3745 router can have more than one power supply. Be sure that all power supplies are powered
off and that all LEDs are dark.
Place the router on a flat surface so that the front panel faces you, and open the small access door at the
Step 3
right-hand edge of the front panel.
Loosen the two captive screws located behind the access door. (See
Step 4
OL-5423-02
AC-powered router: Plug the power cord into a 3-terminal, single-phase power source that
provides power within the acceptable range (100 to 240 VAC, 50 to 60 Hz).
DC-powered router: Remove the tape from the circuit breaker switch handle and reinstate power
by moving the handle of the circuit breaker to the ON position.
"Obtaining Technical Assistance" section on page
"Recovering Compact Flash Memory and System Images" section on page
Upgrading System Memory in Cisco 3745 Routers
Figure
Upgrading System Memory in Cisco 3700 Series Routers
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6.)
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