Allied Telesis AT-8948 Manuale di installazione e funzionamento

A5 Quick Install Guide Cover

x900 Series Switch

Installation and Safety Guide

AT-8948

x900-48FE

x900-48FE-N

AT-9924T

AT-9924SP

AT-9924T/4SP

AT-9924Ts

x900-24XT

x900-24XT-N

C613-04052-00 REV D

x900 Series Switch

x900 Series Switch Installation and Safety Guide

Document Number C613-04052-00 REV D

may be reproduced without prior written permission from Allied Telesis, Inc.

Allied Telesis, Inc. reserves the right to change specifications and other

information in this document without prior written notice. The information

provided herein is subject to change without notice. In no event shall Allied

Telesis, Inc. be liable for any incidental, special, indirect, or consequential

damages whatsoever, including but not limited to lost profits, arising out of or

related to this manual or the information contained herein, even if Allied Telesis,

Inc. has been advised of, known, or should have known, the possibility of such

damages.

All company names, logos, and product designs that are trademarks or

registered trademarks are the property of their respective owners.

Installation and Safety Guide

Contents

Switches Covered by this Guide ................................................................................... 4

Package Contents ............................................................................................................. 4

Selecting a Site ................................................................................................................... 5

Installing the Switch ......................................................................................................... 6

Applying Power to the Switch ....................................................................................... 8

Connecting the Switch .................................................................................................. 10

Checking LEDs ................................................................................................................ 13

Documentation CD ....................................................................................................... 15

Standards .......................................................................................................................... 16

Electrical Safety Statements ......................................................................................... 17

Safety ................................................................................................................................. 18

Sicherheit .......................................................................................................................... 19

Sikkerhed .......................................................................................................................... 21

Veiligheid ........................................................................................................................... 23

Sécurité ............................................................................................................................. 25

Turvallisuus ....................................................................................................................... 27

Norme di Sicurezza ........................................................................................................ 29

Sikkerhet ........................................................................................................................... 31

Segurança .......................................................................................................................... 32

Seguridad .......................................................................................................................... 34

Säkerhet ............................................................................................................................ 36

EC Declaration of Conformity .................................................................................... 39

x900 Series Switch

Switches Covered by this Guide

This document includes information about the following switches:

You can download updates to this document from www.alliedtelesis.com/

support/software.

Package Contents

Depending on the switch, one or more of the following is factory-fitted:

■power supply unit (PSU), AT-PWR01 either AC or DC or

AT-PWR02 AC

■fan-only module (FOM), AT-FAN01

■blanking plate

The following items are shipped with each switch. Contact your authorised

distributor or reseller if any are damaged or missing.

■one AC power cord (AC model)

■one power cord retaining kit (AC model)

• 1 retaining clip

• 2 retaining plates

•2screws

■one cable for connecting the switch to a terminal or PC

■2 rack-mount brackets

■12 M4 screws for rack-mount brackets

■one CD-ROM with complete documentation and utilities

■this Installation and Safety Guide

■one warranty card

■AT-8948 ■AT-9924T/4SP

■x900-48FE ■AT-9924Ts

■x900-48FE-N ■x900-24XT

■AT-9924T ■x900-24XT-N

■AT-9924SP

Installation and Safety Guide

Selecting a Site

Before you install the switch, review the following considerations about its

location.

■AT-8948, x900-48FE, and AT-9900 switches require an ambient temperature

from 0ºC to 50ºC (32ºF to 122ºF).

■AT-9924Ts, x900-24X switches require an ambient temperature from 0ºC to

40ºC (32ºF to 104ºF).

■There should be adequate airflow around the switch and its vents.

■The site should be dust-free and without moisture.

■Humidity can be from 5% to 80% non-condensing.

■You need a reliable and earthed (grounded) power supply source, preferably

dedicated and filtered.

■Cabling must not be exposed to sources of electrical noise, such as radio

transmitters, broadband amplifiers, power lines, electric motors, and

fluorescent fixtures.

■Related network devices can be connected to the switch but cannot exceed

maximum cable lengths specified in the Hardware Reference.

■You may need to remove doors to accommodate cords and cables.

■Ensure easy access to the switch’s power and cable connections.

x900 Series Switch

Installing the Switch

You can install the switch on a level surface, such as a desktop or bench, or in a

standard 19-inch rack. The switch is heavier at the rear than at the front.

Therefore use the brackets supplied with the switch when rack-mounting

because they are designed to fully support the weight.

Before you begin

■Read the safety information.

For your well-being and that of the equipment, read the safety information in

this document. You can also download this document from the

Documentation and Tools CD-ROM or from www.alliedtelesis.com/support/

software.

■Verify the package contents if you have not already done so.

See “Package Contents” on page 4. If any items are damaged or missing,

contact your authorised distributor or reseller.

■Gather necessary tools and equipment:

• Phillips #2 screwdriver to loosen the blanking plate, if any

• 4 sets of rack-mount screws and nuts, and a suitable screwdriver

To install a DC version of the PSU, you need an appropriate DC power

source, DC supply cable, ring connectors, and a crimp tool.

■Prepare the cabinet in a suitable location

Follow guidelines described in “Selecting a Site” on page 5 to choose an

appropriate location and modify the rack as necessary.

■Because the switch is deep, we recommend two people mount the switch in

the rack and tighten the screws.

■If you have an optional expansion module for the AT-9924Ts or x900-24X

switches, install it in the switch first.

Refer to the Expansion Module Installation Guide for the x900-24X Series Switch

for details.

Warning Both AC and DC versions of this equipment must be earthed through

the power cables provided.

Installation and Safety Guide

Rack-mount procedure

1. Ensure the rack has sufficient space for the switch and its cables. For the

switch’s requirements, see “Selecting a Site” on page 5.

2. Install cage nuts at the front of the rack so they are ready for the rack-

mount screws in the following steps.

3. Unpack the switch and remove the rubber feet.

It may be helpful to temporarily remove the PSU or FOM so that the switch

is lighter and easier to manipulate during installation. For more information,

see the Removable Power Supply and Fan Installation Guide.

4. Screw one bracket to each side of the switch using the M4 screws provided.

5. Mount the switch into the rack from the front, and tighten the 4

rack-mount screws.

Two people are required at this point. One person can lift the switch into

the rack and attach it to the front rails while the second person safely

supports it from the rear.

rmount

x900 Series Switch

Applying Power to the Switch

The switch has two bays in the rear. Your switch comes with one pre-installed

power supply unit (PSU). Depending on the model, the switch also has one

fan-only module (FOM) in the other power supply bay or one blanking panel

over the power supply bay.

AC Power Supply

Important information for service personnel:

■CAUTION: double pole/neutral fusing

■the rating of fuses FH101 and FH102 is 250V, 5A (AT-PWR01 only)

Procedure for AC Power Supply

To apply power to the PSU, plug the AC power cord that is provided into the

power inlet on the faceplate of the PSU. Then connect the power cord to the

main power supply.

DC Supply Cable and Power Supply

Supply cable specifications:

■three-core cable is required

■minimum core size: 3.3mm2(12 AWG) high strand count copper wire

■minimum cable rating: 600V, 90 degrees C

Power supply specifications:

■40 to 60V, 48V nominal

■supports either positive grounded or negative grounded operation

■a 15Amp certified/listed circuit breaker is required for circuit protection

Installation and Safety Guide

Procedure for DC Power Supply

Only trained and qualified personnel should connect a DC power supply.

For centralised DC power connection, the switch should be installed in

restricted access areas only (such as dedicated equipment rooms or

equipment closets) in accordance with Articles 110-16, 110-17, and 110-18 of

the National Electrical Code, ANSI/NFPA 70.

Warning Ensure that the power supply cable is not live before starting.

1. Remove the transparent protective terminal cover.

2. Strip the supply cable wires to expose 7.5mm (0.31in.) of bare conductor.

Terminate the wire with a nylon insulated solderless ring tongue terminal,

JST FN5.5-5 or equivalent, using a crimp tool.

3. Connect the ground wire to the ground terminal. Use the diagram on the

rear panel of the switch to identify terminals. Tighten the terminal to

between 2.4 and 4.0 Nm (21.3 and 35.4 lbf in).

Caution Check that the PSU terminals are wired to the correct polarity.

You will damage it if you incorrectly connect it.

4. Connect the positive feed to the + (positive) terminal and the negative feed

to the - (negative) terminal. Tighten the terminals to between 2.4 and

4.0Nm (21.3 and 35.4 lbf in).

5. Ensure there are no exposed cable strands.

6. Replace the cover. You must replace the transparent plastic terminal cover

before continuing.

7. Secure the supply cable to the rack framework or a similar object to ensure

that connections are isolated from any force applied to the cable.

8. Ensure the circuit breaker is off for the supply circuit and the Run/Standby

control on the PSU. Use a small diameter pin to press and release the Run/

Standby control so that it is not pushed in (which is the Off position).

9. Connect the supply cable wires to the circuit breaker.

10. Turn on the PSU by pushing in the Run/Standby control with a small

diameter pin.

11. Confirm that the switch is receiving power.

Check that at least one of the PSU LEDs on the front panel of the switch is

lit green. If no LEDs light, refer to the Hardware Reference for

troubleshooting information.

x900 Series Switch

Connecting the Switch

AT-8948, x900-48FE, AT-9924Ts, and x900-24X switches can be configured with

the Command Line Interface (CLI). AT-9900 switches can be configured with

either the CLI or the Graphical User Interface (GUI).

Before configuring the switch, you must make some basic connections explained

in the following procedure. Before starting the procedure, ensure that the

switch has at least one power supply unit installed and operating. The other bay

must have another PSU or fan-only module in it, or a blanking plate over it,

depending on the switch model.

Using the CLI to configure a switch

1. Physically connect the terminal or PC to the ASYN0 port on the front

panel of the switch.

For AT-8948, AT-9924Ts, AT-9900, and x900 switches, use the RJ-45 DB9

cable that is supplied.

2. Set communication parameters on your terminal or terminal emulation

program to the following:

• bit rate: 9600

• data bits: 8

•parity:None

• stop bits: 1

• flow control: Hardware

For information about terminal emulation, see Using Windows Terminal and

HyperTerminal in the Hardware Reference.

3. Check the power supply.

For AC models, ensure that the switch is receiving power (PWR LED is lit

green).

For DC models, ensure that the Run/Standby switch is in the On or Run

position and that the switch is receiving power (PWR LED is lit green).

4. Log in.

After the switch has booted, the login prompt is displayed. If not, press the

Enter key two or three times.

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