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For ease of reading and because the DMM and

A/DMM are basically the same, the term DMM is

used in this release note to refer to both modules.

CAUTION: Do not upgrade to any later version until

instructed to do so in Step 5.

See the CoreBuilder 5000 Distributed Management

Module User Guide, Chapter 11, for information

about DMM downloading.

CAUTION: Do not install the new SwitchModules

yet.

1 Upgrade all DMMs in the hub to software

Version v5.00.

2 Download SwitchModule boot software Version v1.05

to all SwitchModules in your hub.

3 Download SwitchModule software Version v3.00 to all

SwitchModules in your hub, even if they are already

running Version v3.00.

4 Download ATM Backbone SwitchModule software

Version v2.05 boot code, and then Version v3.00

operational code to all ATM Backbone SwitchModules

in your hub. The Model Number is 3C96602M-MOD.

5 Upgrade all DMMs in your hub to software Version

v6.00.

6 Install the new SwitchModule into your hub. (See

Section 7.0, "Installing the SwitchModule".)

7 Download the Version v3.00 software code to the new

SwitchModule.

To use the Frame Tagging feature, you must upgrade

all SwitchModules in the hub to software Version

v3.00 or later.

4.2

Download Procedure for SwitchModules

at Version v2.02 or Later and DMMs at

Version v5.00 or Later

If your hub contains any SwitchModules that are at Version

v2.02 or later, and DMMs at Version 5.00 or later,

complete the following download procedure:

CAUTION: Do not install the new SwitchModules

yet.

1 Download SwitchModule boot software Version v1.05

to all SwitchModules in the hub.

2 Download SwitchModule software Version v3.00

operational code to all SwitchModules in the hub.

UILDER ®

5000 S

ORE

WITCH

ODULE

3 Download ATM SwitchModule software Version v3.00

operational code to all ATM Backbone SwitchModules

in the hub. The ATM SwitchModule model number is

3C96602M-MOD.

4 Upgrade all DMMs in the hub to software Version

v6.00.

5 Install the new SwitchModule into your hub. (See

Section 7.0, "Installing the SwitchModule".)

6 Download the Version v3.00 software code to the new

SwitchModule.

To use the Frame Tagging feature, you must upgrade

all SwitchModules in the hub to software Version

v3.00 or later.

5.0

Installation Precautions

Electrostatic discharge (ESD) can damage static-sensitive

devices on circuit modules. Follow these precautions:

Do not remove the SwitchModule from its antistatic bag

until you are ready to inspect or to install it.

Handle the SwitchModule by the front panel only; do

not hold it by the component board.

Use proper grounding techniques when you install the

SwitchModule. These techniques include using a foot

strap and a grounded mat, wearing a grounded static

discharge wrist strap, or touching the metal rack or

frame just before you handle the SwitchModule.

When you handle CoreBuilder 5000 SwitchModules,

follow these precautions to avoid component damage:

Do not twist or force the SwitchModule into the hub

when you insert it into the module guides.

Match the upper and lower module guides while you

slide the SwitchModule into place.

Do not push the SwitchModule all the way into the hub

until the SwitchModule ejectors (if any) are open.

WARNING: To ensure optical safety when you install

10BASE-FB/FL, FDDI, and 100BASE-FX

SwitchModules, comply with the following

precaution:

Although the data communication LEDs and Lasers

used in this product meet the regulatory

requirements for casual exposure to the eye, as with

any source of bright light, it is advised that you do

not look into the light source.

UICK

TART AND

EFERENCE