Allied Telesis Rapier 48w Manuale di installazione e funzionamento

A5 Installation and Safety Guide Cover

Rapier 48w Switch

Installation and Safety Guide

Rapier 48w Switch

Rapier 48w Switch Installation and Safety Guide

Document Number 613-000757 REV A

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 ....................................................................................... 9

Connecting Data Cables to the Switch ..................................................................... 12

Configuring the Switch .................................................................................................. 14

Checking LEDs ................................................................................................................ 16

Documentation Set ........................................................................................................ 18

Standards .......................................................................................................................... 19

Safety ................................................................................................................................. 20

Telecommunications Interfaces ................................................................................... 21

Rapier 48w Switch

Switches Covered By This Guide

This document includes information on the following switches:

■Rapier 48w

You can download updates to this document from

www.alliedtelesis.com/support/software.

Package Contents

These items are included with each Rapier 48w switch. Contact your authorised

distributor or reseller if any items are damaged or missing.

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

■two 19inch rack-mount brackets, two 23inch rack-mount brackets and eight

M4 flat head screws, for mounting the switch in a rack

■one grounding stud crimp terminal

■two M5 hex nuts with lock washers for connecting the switch to primary

ground

■one 4-terminal DC connector plug (MSTB) with fixing screws

■two air filters

■this Installation and Safety Guide

■one CD-ROM with complete documentation and utilities

■one warranty card

Installation and Safety Guide

Selecting a Site

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

location.

■For compatibility with Network Equipment Building System (NEBS), the

switch must be located in a network telecommunications facility.

■The Rapier 48w switch requires an ambient temperature from 0ºC to 50ºC

(32ºF to 122ºF).

■There should be adequate front-to-back 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.

■Switch ports suitable for connection to intra-building or non-exposed

cabling are required.

■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.

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

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

■When rack mounted, the switch must be located evenly to prevent uneven

mechanical loading of the rack.

Rapier 48w Switch

Installing the Switch

Ports on the switch are suitable only for connections within buildings (intra-

building) and with cables unexposed to the outside.

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

standard 19-inch rack, or in a 23-inch rack.

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

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:

• a Phillips #2 screwdriver for fitting the rack-mount brackets

• four rack-mount screws and cage nuts (if required)

• a flat screwdriver for the captive screws on the fan units and the DC

power connection

• a suitable spanner for tightening the nuts on the chassis grounding stud

• an appropriate DC power source, DC supply cable, ring connectors,

wire strippers, and a PANDUIT Uni-Die® dieless crimping toolset

■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.

You can install the switch in a 19-inch rack, a 23-inch rack, or on a flat bench.

■If you have an optional Network Service Module (NSM), or Port Interface

Cards (PICs), install them in the switch first.

For details, refer to the Network Service Module Installation and Safety Guide and

the Port Interface Card Installation and Safety Guide. These guides are shipped

with each NSM or PIC. You can also download them from

www.alliedtelesis.com/support/software.

Installation and Safety Guide

Preparation for NEBS

To ensure rack-mounted installations are earthed for compatibility with

Network Equipment Building System (NEBS), all bare conductors must be

coated with an appropriate antioxidant compound before making crimp

connections.

Warning All versions of this equipment must be earthed.

Rack-mount the switch

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, if required, so they are ready for the rack-mount screws in

the following steps. The Rapier 48w can be front, center, or rear mounted.

3. Unpack the switch.

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

5. Mount the switch into the rack, and tighten the 4 rack-mount screws.

Rapier 48w Switch

Install the air filters

For compatibility with Network Equipment Building System (NEBS), this switch

requires a filtered air supply. The switch is shipped with air filters which must be

installed in each of the fan units.

To install an air filter:

1. Using a flat screwdriver, undo the captive screws on the front of the fan

unit.

2. Slide the fan unit out of its cage. The internal power connection is quite

solid, so pull firmly on the captive screws.

3. Insert the air filter into the narrow slot between the front grill of the fan

unit and the fan. Position the air filter with the plastic frame towards the fan

and the pull tab to the top. The air filter should fit snugly.

4. Slide the fan unit back into its cage, making sure that the air filter and the

pull tab are clear of any contact points.

5. Press the fan unit firmly into place and tighten the captive screws on the

front of the fan unit.

Installation and Safety Guide

Applying Power to the Switch

The specific power supply requirements for the Rapier 48w are clearly displayed

on the rear of the switch. If the supply is outside the accepted range for the

switch, the switch may not operate or damage to the switch may result.

Read “Safety” on page 20 of this document before connecting a DC power

supply.

Warning 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.

Damage to equipment may result if power is connected improperly.

Before working on equipment that is connected to power, remove jewellery

including rings, necklaces, and watches. Metal objects will heat up when

connected between power and ground, and can cause serious burns or weld the

metal object to the terminals.

DC supply cable and power supply

Supply cable specifications:

■two-core cable is required

■minimum core size: 2.1mm2(14 AWG)

■minimum cable rating: 600 V, 90 degrees C

Power supply specifications:

■48 VDC (40 to 60 VDC is acceptable)

■supports either positive grounded or negative grounded operation

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

Rapier 48w Switch

Connect the switch to ground

The protective earth connection should be connected before proceeding with

the following power connections. The primary ground for the equipment is a

two stud grounding block (bearing the grounding symbol) located on the left

rear of the chassis, adjacent to the DC power connector.

To connect the switch to ground:

1. Using a 10AWG (5mm2cross sectional area) grounding cable (green with

yellow stripe), connect the chassis grounding stud to the office primary

ground using the two nuts with integral lock washers supplied. Tighten the

nuts with an appropriate spanner.

2. Strip an 18mm (0.75 inch) length of insulation from the grounding cable and

connect this to the grounding stud crimp terminal, using PANDUIT Uni-

Die® dieless crimping toolset. Ensure that no stranded wires protrude

from the terminal. The torque value for the chassis grounding studs is 2.57

Nm (22.8 lbf in).

Connect the DC supplies

To provide power supply resiliency, the Rapier 48w switch can receive its DC

power from either of two separate sources. Each power source should supply

48V DC (40 to 60VDC) to the switch. When the switch is powered by

centralized DC power, use UL Listed Type TC tray cables to connect the

equipment to the power sources. Each tray cable should have two conductors in

the range #14 to #12 AWG (2.0 to 2.5mm2cross sectional area), such as Belden

No. 3081A.

Each DC branch circuit should connect to the Rapier switch via a 15A

(maximum) circuit breaker or fuse that meets the requirements for branch

circuit protection. The DC supply should be fed via a circuit breaker or switch

capable of disconnecting power during servicing. The tray cable should be a UL

Listed Type TC tray cable with two conductors in the range #14 to #12 AWG

(2.0 to 2.5mm2cross sectional area), such as Belden No. 3081A.

To connect the DC supply:

1. Ensure that the DC power source is powered off during installation.

2. Strip 12mm (0.5inches) of jacket material off the tray cable and strip 7mm

(0.27inches) of insulation off each individual wire.

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