Paradyne COMSPHERE 3610 Firmware-Update

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amended to read Paradyne Corporation.

13610-A2-GZ43-20 February 1996

3600 Series DSU Firmware Installation Instructions

Document Number 3610-A2-GZ43-20

February 1996

Firmware Version

Requirements

This document describes the procedure for installing

replacement firmware in a Model 3610 or 3611 Data

Service Unit (DSU). Follow the appropriate set of

instructions for either the Model 3610 or Model 3611

DSU.

Identity (ID) displays a report listing the DSU’s model

number, serial number, software/firmware version,

network address, DDS rate and installed options.

To see your firmware version:

Procedure

1. Access the Status (Stat) branch from the front

panel.

2. Select ID. Press the key until the

DSU SW ver appears.

Prior to starting the installation, make a copy of the

Configuration Worksheets provided in the User’s Guide,

DBM Options Supplement, and/or TDM, MCMP, Digital

Bridge Options Supplement.

Access the Configuration (Confg) branch and record

all the current configuration option sets on the worksheets.

Model 3610 Firmware

Installation

HANDLING PRECAUTIONS

FOR

STATIC-SENSITIVE DEVICES

AT&T Paradyne products are

designed to protect sensitive

components from damage due to

electrostatic discharge (ESD)

during normal operation. When

performing installation procedures,

however, take proper static control

precautions to prevent damage to

equipment. If you are not sure of

the proper static control

precautions, contact the nearest

AT&T Paradyne Customer

Support office.

dyn

2February 1996 3610-A2-GZ43-20

The Model 3610 DSU firmware is located on the

EPROM under the front panel. To access the firmware,

perform the following steps:

Procedure

1. Disconnect the ac transformer from the ac outlet

and the rear of the DSU.

2. Place a small screwdriver or your thumbs under

the two tabs on the outside edges of the front

bezel. Firmly press upward to separate the bezel

from the tabs.

3. Swing the front bezel up and set aside.

495-1470

Front Bezel

COMSPHERE 3610

dyn

Front Bezel

4. There is a notch on one end of the EPROM. Note

the location and orientation of the notch. Use the

proper EPROM extractor tool to carefully remove

the EPROM from the DSU circuit card and set the

EPROM aside.

WARNING

When installing the EPROM on

the DSU, ensure that the notch

on the EPROM is on the right.

Installing the EPROM in the

opposite direction will damage

the EPROM and cause

overheating, which may result

in possible injury to you.

EPROM Notch

495-1486

5. Orient the replacement EPROM on the front panel

with the notch pointing to the right. Ensure that all

the pins in the EPROM are aligned and press into

place. Verify that the EPROM it is fully seated in

the connectors.

6. Reinsert the front bezel’s hinge tabs into position

at the top and swing the bezel down. Snap the

bezel back into place.

33610-A2-GZ43-20 February 1996

Powering Up the DSU

Procedure

1. At the rear of the DSU, insert the round end of the

power cable into the receptacle labeled POWER.

2. Connect the 3-prong plug at the other end of the

cable to an ac outlet.

CAUTION

Only use the power

transformer designed for the

Model 3610 DSU. Using other

transformers may result in

personal injury or damage to

the equipment.

Power-Up Routine

When you apply power, the DSU performs a power-up

routine and:

•Determines what hardware options are installed, if

any. This may include DSU, DBM, and MUX.

•Automatically runs a Device Test on itself and each

installed hardware option. All front panel lights

flash on and off.

Continue if you receive successful messages. If a Fail

message appears or a hardware option does not appear,

refer to your User’s Guide, Document No.

3610-A2-GB46, for power-up messages and basic

procedures for changing configuration options and

troubleshooting.

To verify the new firmware version:

Procedure

1. Access the Status (Stat) branch from the front

panel.

2. Select ID. Press the key until the

DSU SW ver appears.

3. Reinstall the factory configuration options (use the

FacC configuration for a control or FacT for a

tributary).

Note that the Health and Status (H/S) branch may

display a Confg Corrupt message. This message

will disappear when you reinstall the factory

configuration options.

4. Make any desired changes in the configuration

option sets using the Configuration Worksheets

prepared prior to replacing the firmware. Verify

that the network address and the DBM directories

are still correct. If not, make the appropriate

changes.

4February 1996 3610-A2-GZ43-20

Model 3611 Firmware

Installation

To access the DSU to install the firmware in a

Model 3611 DSU, perform the following steps:

Procedure

1. Use a Phillips screwdriver to loosen the screw

holding the circuit pack lock, and rotate the lock

to the open position. With a MUX card installed,

open both circuit pack locks. It is not necessary to

power down the carrier.

Circuit

Card

Guides

Circuit

Pack

Lock

Latch

Open

(Unlocked)

Closed

(Locked)

495-14813

2. Pull out and down on the latch at the bottom of the

DSU’s faceplate until the circuit card starts to

come out of its slot in the carrier. Pull the DSU

circuit card free of the carrier and lay on a clean

flat work surface. When a MUX card is installed,

there are two latches to open. (See next section.)

Accessing a Model 3611 DSU with MUX

Procedure

1. Remove the 3611 DSU with a MUX. The MUX

card for TDM or MCMP is attached to the DSU.

Together, the two cards use two carrier slots.

495-1482

DSU

Card

MUX

Card

2. Remove the two standoff posts and the four

double-ended, Phillips-head screws to detach the

MUX card from the DSU card.

MUX Card

DSU Card

Phillips-Head

Screws

Standoff

Posts

Flat

Washers

495-14828

53610-A2-GZ43-20 February 1996

3. Using the proper EPROM extractor tool, remove

the EPROM from the DSU circuit card. Note the

location and orientation of the notch at one end of

the EPROM and set the EPROM aside.

Notch

EPROM

495-14870

Circuit

Card Guide

4. Orient the replacement EPROM on the circuit card

with the notch pointing downward. Ensure that all

the pins in the EPROM are aligned with their

connectors on the DSU. Press the EPROM into

place and make certain it is fully seated.

WARNING

When installing an EPROM on

the DSU, ensure that the notch

on the EPROM is pointing

downward on the circuit card.

Installing the EPROM in the

opposite orientation will

damage the EPROM and cause

overheating which may result

in possible injury to you.

Reinstalling a Model 3611 DSU

Reinstalling a Model 3611 DSU without MUX

Procedure

1. Align the circuit card guides with the DSU circuit

card. Slide the card into the carrier and secure the

latch.

2. Rotate the circuit pack lock back into the closed

position and tighten the screw.

Reinstalling a Model 3611 DSU with MUX

Procedure

1. Reattach the TDM or MCMP circuit card to the

DSU card.

2. Align the circuit card guides with the circuit cards.

Slide the two cards into the carrier and secure the

two latches.

3. Rotate the two circuit pack locks back into the

closed position and tighten both screws.

6February 1996 3610-A2-GZ43-20

Powering Up the DSU

Power-up Routine

When you apply power to the DSU circuit card, the

DSU performs a power-up routine and:

•Determines what hardware options are installed,

including a DBM.

•Automatically runs a Device Test (Devic) on the

DSU and each installed hardware option.

Continue if you receive successful messages. If a Fail

message appears or a hardware option does not appear,

refer to your User’s Guide, Document No.

3610-A2-GB46, for power-up messages and basic

procedures for changing configuration options and

troubleshooting.

Verify Firmware Version

Procedure

1. Access the Status (Stat) branch from the front

panel.

2. Select ID. Press the key until the

DSU SW ver appears.

3. Reinstall the factory configuration options (use the

FacC configuration for a control or FacT for a

tributary).

If the SDCP is installed and if the DSU’s carrier

and slot address location is the one selected at the

SDCP, the LCD displays the message Power-up

Tests.

Note that the Health and Status (H/S) branch may

display a Confg Corrupt message. This message

will disappear when you reinstall the factory

configuration options.

4. Make any desired changes in the configuration

option sets using the Configuration Worksheets

prepared prior to replacing the firmware. Verify

that the network address and the DBM directories

are still correct. If not, make the appropriate

changes.

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