NETGEAR JGS524FNA Manuale utente

ProSafe 24 Port Gigabit Switch

Installation Guide

Full_IG.book Page 1 Monday, January 9, 2012 6:11 PM

No part of this publication may be reproduced, transmitted, transcribed,

stored in a retrieval system, or translated into any language in any form or by

any means without the written permission of NETGEAR, Inc.

Technical Support

Thank you for choosing NETGEAR. To register your product, get the latest

product updates, or get support online, visit us at http://support.netgear.com.

Phone (US only): 1-888-NETGEAR

Phone (Other Countries):

Check the list of phone numbers at:

http://support.netgear.com/app/answers/detail/a_id/984

Trademarks

NETGEAR, the NETGEAR logo, ReadyNAS, ProSafe, Smart Wizard, Auto

NETGEAR, the NETGEAR logo, and Connect with Innovation are trademarks

and/or registered trademarks of NETGEAR, Inc. and/or its subsidiaries in the

United States and/or other countries. Information is subject to change without

notice. Other brand and product names are registered trademarks or

reserved.

Statement of Conditions

In the interest of improving internal design, operational function, and/or

reliability, NETGEAR reserves the right to make changes to the products

described in this document without notice. NETGEAR does not assume any

liability that may occur due to the use or application of the product(s) or circuit

layout(s) described herein.

Full_IG.book Page 2 Monday, January 9, 2012 6:11 PM

Package Contents

Verify that all items are in the box. The package includes:

•ProSafe 24-port Gigabit Switch with 2 Gigabit SFP Combo Ports

JGS524F V1

•Power cord with localized plug

•Adhesive feet

•Rack-mount brackets and hardware

•Installation Guide (this document)

Front View

24 Gigabit ports

LEDs

Gigabit SPF

combo ports

The switch supports 10 Mbps, 100 Mbps, and 1000 Mbps

connections. Using Gigabit Ethernet (1000 Mbps), the switch sends

files across the network at speeds up of to 2000 Mbps due to the full-

duplex nature of Gigabit Ethernet connections. You can either

connect 24 Ethernet copper cables or 22 copper cables with 2 optical

fibers.

The switch supports straight-through or crossover Ethernet cables on

24 ports. Each of these ports configures itself based on the cable that

you plug into it. You can use the switch to connect Ethernet devices

such as computers, file servers, printers, routers, switches, or hubs.

Full_IG.book Page 3 Monday, January 9, 2012 6:11 PM

Select a Location

Decide where you want to place the switch. Find a flat horizontal

surface or a 19-inch rack.

Make sure that the location is:

•Not in direct sunlight or near a heater or heating vent.

•Not cluttered or crowded. There should be at least 2 inches (5

cm) of clear space on all sides of the switch.

•Well ventilated, especially if it is in a closet.

Install the Switch

1. For each device that you want to connect to the switch, provide

an enhanced Category 5 (Cat 5e) Ethernet cable with RJ-45

connections. Each Ethernet cable has to be less than 328 feet

(100 meters) long.

2. Install the switch on a flat surface or in a standard 19-inch rack.

•Flat surface. The switch comes with four self-adhesive

footpads. Stick one footpad on each of the four concave

spaces on the bottom of the switch. The footpads cushion the

switch against shock and vibrations.

•Rack mounting. Follow the instructions in the 19-Inch Rack

Mounting section.

Verify Cable Connections

Before you apply power, perform the following checks:

1. Inspect the equipment thoroughly.

2. Verify that all cables are installed correctly.

3. Check cable routing to ensure that cables are not damaged and will

not create a safety hazard.

4. Be sure that all equipment is mounted securely.

Full_IG.book Page 4 Monday, January 9, 2012 6:11 PM

19-Inch Rack Mounting

Use the rack-mount kit supplied with your switch.

1. Use the Phillips head screws to fasten the mounting brackets to

the sides of the switch. Tighten the screws with a No. 1 Phillips

screwdriver.

2. Align the bracket and rack holes. Use two pan-head screws with

nylon washers to fasten each bracket to the rack. Tighten the

screws with a No. 2 Phillips screwdriver to secure the switch in the

rack.

Full_IG.book Page 5 Monday, January 9, 2012 6:11 PM

Optical Modules (Sold Separately)

You can use compatible optical modules such as the NETGEAR

ProSafe GBIC SFP Modules AGM731F and AGM732F with your

switch. These modules provide full-duplex 1000 Mbps Ethernet

operation in each direction for NETGEAR switches.

AGM731F or AGM732F

The switch automatically detects the module, so you can simply plug

it into an available module slot. Plugging in an SFP module disables

the associated RJ-45 port. The modules can be inserted or removed

while the switch is operational.

Class 1 laser product.

Class 1 LED product.

Because invisible laser radiation may be emitted from the

aperture of the port when no fiber cable is connected, avoid

exposure to laser radiation, and do not stare into open

apertures.

Full_IG.book Page 6 Monday, January 9, 2012 6:11 PM

Install an Optical Module

Insert the module firmly into the slot that supports the SFP interface.

You should hear a click when the module is firmly seated.

Remove an Optical Module

Release the module latch by pulling down the handle bar across the

module, and pull the module out of the module slot.

Full_IG.book Page 7 Monday, January 9, 2012 6:11 PM

Troubleshooting

You can use the LEDs to troubleshoot hardware problems.

Power LED Is Off

The switch has no power.

•Make sure that the power cord is securely connected to the

switch.

•Make sure that the power cord is connected to a functioning

power outlet. If it is connected to a power strip, make sure that

the power strip is turned on. If the socket is controlled by a light

switch, make sure the switch is in the on position.

Port LEDs

If a port LED is off for a connected device or the LED stays on

continuousl,y there is a hardware connection problem.

•Make sure that the cable connectors are securely plugged in to

the switch and the device.

•Make sure that the connected device is turned on.

•If the Ethernet cable is connected to a network interface card or

other Ethernet adapter, make sure that the card or adapter is

installed correctly and is working.

•Make sure that the cable is less than 328 feet (100 meters) long.

Full_IG.book Page 8 Monday, January 9, 2012 6:11 PM

Gigabit switch technical specifications

Standards compatibility IEEE 802.3z 1000BASE-X Gigabit over fiber,

IEEE 802.3i 10BASE-T Ethernet, IEEE 802.3u,

100BASE-TX Fast Ethernet, IEEE 802.3ab

1000BASE-T Gigabit Ethernet, IEEE 802.3x

flow control, IEEE 802.1p priority, DSCP priority

Network interfaces RJ-45-connectors for 10BASE-T, 100BASE-TX,

or 1000BASE-T Ethernet interfaces

Power 100-240V 1.0A AC, 50/60 Hz internal universal

power supply

Power consumption

(full load)

18.2W max. (cable length > 10 meters)

Physical dimensions 328 x 169 x 43.2 mm (12.91 x 6.65 x 1.70 in)

Weight 1.688 kg (3.721 lbs)

Operating environment Temperature: 0° to 50° C (storage: 0° to 70°C)

Humidity: 10% to 90% (storage: 5% to 90%)

Electromagnetic and

safety compliance

CE and CE LVD, Class A; FCC Class A; VCCI

Class A; C-Tick; KCC; CB; CCC; and UL

Full_IG.book Page 9 Monday, January 9, 2012 6:11 PM

Gigabit swtich performance specifications

Frame filter/forward rates 14,880 frames/sec. max. for 10 M port

148,800 frames/sec. max. for 100 M port

1,488,000 frames/sec. max. for 1000 M port

Frame forward rate 14,880 frames/sec. max. for 10 M port

148,800 frames/sec. max. for 100 M port

1,488,000 frames/sec. max. for 1000 M port

Network latency Using 64-byte-packets

•10 Mbps to 10 Mbps: 35 s max

•100 Mbps to 100 Mbps: 5.4 s max

•1000 Mbps to 1000 Mbps: 2.8 s max

Using 1518-byte packets

•10 Mbps to 10 Mbps: 35 s max

•100 Mbps to 100 Mbps: 5.6 s max

•1000 Mbps to 1000 Mbps: 2.8 s max

Filtering address table Up to 8 K entries

Jumbo frame Up to 9 KB

MAC address learning Automatic update

RAM buffer 2 Mb

Full_IG.book Page 10 Monday, January 9, 2012 6:11 PM

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