Cisco 1600 series Installazione o sostituzione manuale - Pagina 2

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Cisco 1600 series Installazione o sostituzione manuale

Tools and Equipment Required

Tools and Equipment Required
The following tools are required to upgrade the router's DRAM SIMM:
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Table 1 lists the DRAM SIMMs available for Cisco 1600 series routers.
Table 1
Cisco Product Number
MEM1600-2D=
CPA016-MEM2D=
MEM1600-4D=
CPA016-MEM4D=
MEM1600-8D=
CPA016-MEM8D=
MEM1600-16D=
CPA016-MEM16D=
Note
the router; however, doing so will disable the 2 MB of DRAM that is stored on the fixed memory
chips in the router.

Preventing Electrostatic Discharge Damage

Before installing a DRAM SIMM, read the electrostatic discharge (ESD) instructions in this section
to prevent damage to the equipment. ESD is a discharge of stored static electricity that can damage
equipment and impair electrical circuitry. It occurs when electronic components are improperly
handled and can result in complete or intermittent failures.
Following are guidelines for preventing ESD damage:
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Caution
strap. The measurement should be between 1 and 10 megohms (Mohms).
2 Installing or Replacing the DRAM SIMM in Cisco 1600 Series Routers
Number 1 Phillips screwdriver
One DRAM SIMM
DRAM SIMMs for Cisco 1600 Series Routers
Amount of DRAM
2 MB
4 MB
8 MB
16 MB
The DRAM SIMMs listed in Table 1 are nonparity SIMMs. You can install a parity SIMM in
Before opening the chassis, ensure that power to the router is off. Disconnect the power cable to
turn off power to the router.
Always use an ESD-preventive wrist or ankle strap and ensure that it makes good skin contact.
Avoid contact between equipment and clothing. The wrist or ankle strap only protects the
equipment from ESD voltages on the body; ESD voltages on clothing can still cause damage.
Handle printed circuit cards by the edges only; avoid touching the components, traces, or any
connector pins.
Place a removed card component side up on an antistatic surface or in a static shielding bag.
Do not remove the wrist or ankle strap until the installation is complete.
To avoid damaging the equipment, periodically check the resistance value of the antistatic