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Start Here
The NETGEAR™ Model GS504 4-Port Gigabit Switch provides you with a lowcost, high-performance network solution and is designed to anchor and
interconnect 10/100 megabits per second (Mbps) workgroups using gigabit fiber
links.
Features
The Model GS504 switch has the following key features:
• Four full-duplex gigabit fiber ports with standard SC connectors
The ports support multimode optical fiber (SX) up to 525 meters (m) with
50 µm. With 62.5 µm fiber cable, the maximum distance is 260 m.
• Automatic address learning function to build the packetforwarding information table
The table contains up to 8,000 MAC addresses (that is, the switch can
support networks with as many as 8,000 devices).
• Full-duplex mode to double throughput of point-to-point connections by
letting individual ports transmit and receiv e concurrently when the other end
also supports full-duplex mode
The default is full-duplex mode if the connected device does not support Nway negotiation. Most gigabit fiber links run in full-duplex mode.
• Wire-speed filtering and forwarding of the traffic with no delay
• Store-and-forward intelligent processing to minimize erroneous packets on
the network
• Easy plug-and-play installation with no software to configure, which saves
time and minimizes the potential for configuration errors
Model GS504 4-Port Gigabit Switch Installation Guide
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Protocol independence and compatibility with all major protocols such as TCP/IP, NetWare, DECnet, and Microsoft Networks
Package Contents
Model GS504 Switch
MODEL
Ethernet
PORT
4
10/100Mbps
Gigabit Fiber Switch
Activity
Power
1234
Green=FDX, Yellow=Col
1234
Tx Rx
Tx Rx
Tx Rx
Link
Link
GS504SX
Tx Rx
Link
Link
Rubber
footpads
Rack mount
kit
Installation guide,
Warranty & Owner
Registration Card,
Support Information Card
Verify that your package contains the following:
• Model GS504 switch
• Rubber footpads for tabletop installation
• This installation guide
• Rack mount kit for 19-inch rack installation
• Warranty & Owner Registration Card
• Support Information Card
• Power cord
AC
power
cord
9328FA
Model GS504 4-Port Gigabit Switch Installation Guide
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Product Illustration
Front Panel
The front panel of the Model GS504 switch contains the following LEDs that
correspond to each network port: Activity (Rx/Tx) and FDX (full-duplex)/
Collision. Each fiber network port has its own Link LED (located to the right of
each 1000 Mbps port).
Front Panel of the Model GS504 Switch
Activity
LEDs
PORT
4
10/100Mbps
Gigabit Fiber Switch
Power
Activity
1234
Green=FDX, Yellow=Col
1234
Tx Rx
Link
Tx Rx
Fiber network
ports
Tx Rx
Link
Link
MODEL
Ethernet
GS504SX
Tx Rx
Link
FDX/Collision LED
Power LED
Link
LED
9318FA
LEDs
The table below describes the activity of the LEDs.
Label
Power Green On
FDX/Col Green
Activity Green Blinking Packet transmission or reception is occurring on
Link Green On
Color Activity Description
Power is supplied to the switch.
Yellow
Off
On
Off
Blinking
Power is disconnected.
The port is operating in full-duplex mode.
The port is operating in half-duplex mode.
Data collisions are occurring on the port. In a fullduplex environment, there is no collision. In a halfduplex environment, some collisions are normal.
the port.
A valid 1000 Mbps link is established on the port.
Off
A link is not established on the port.
Model GS504 4-Port Gigabit Switch Installation Guide
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Rear Panel
The rear panel of the Model GS504 switch has fans for cooling and a standard
AC power receptacle for the supplied power cord.
Rear Panel of the Model GS504 Switch
100-240 VAC 50-60 Hz
AC power
outlet
9320FA
Fans
Applications
Desktop Switching
The Model GS504 switch is used as a desktop switch to build a powerful
network that enables users to have 1000 Mbps access to a file server. If a fullduplex adapter card is installed in the server or PC, a 2000 Mbps connection will
be provided to each server and PC.
Model GS504 Switch
MODEL
Ethernet
igabit
PORT
4
10/100Mbps
Gigabit Fiber Switch
PCs PC
Key
1000 Mbps
GS504SX
Server
9326FA
Model GS504 4-Port Gigabit Switch Installation Guide
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Segment Switching and Bridging from 10/100 Mbps to
1000 Mbps
The Model GS504, as illustrated below, connects multiple power workgroups
and servers using high-speed gigabit fiber links. Each power workgroup is
anchored by a NETGEAR FS509 switch. Because each fiber link can be up to
525 m long, these workgroups can be located on separate floors or in different
buildings.
Key
2000 Mbps
100 Mbps
10 Mbps
Server 1 Server 2
PORT
4
10/100Mbps
Gigabit Fiber Switch
igabit
Ethernet
MODEL
GS504SX
Model GS504
Switch
Model FS509
Switches
MODEL
FS509
PORT
9
10/100Mbps
Fast Ethernet Switch
Ethernet
PORT
9
10/100Mbps
Fast Ethernet Switch
MODEL
FS509
Ethernet
PCs PCs
Model RT328
Router
9327FA
Prepare the Site
Before you begin installing your switch, prepare the installation site. Make sure
your operating environment meets the operating environment requirements of
the equipment.
Characteristic
Temperature
Operating humidity Maximum relative humidity of 90%, noncondensing.
Ventilation Minimum 2 inches (5.08 cm) on all sides for cooling.
Operating conditions At least 6 feet (1.83 m) to nearest source of electromagnetic
Power Adequate power source within 6 feet (1.83 m).
Requirement
Ambient temperature between 0 ° and 40 ° C (32 ° and 104 ° F).
No nearby heat sources such as direct sunlight, warm air
exhausts, or heaters.
Adequate airflow in room or wiring closet.
noise (such as photocopy machine or arc welder).
Model GS504 4-Port Gigabit Switch Installation Guide
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Installation
Installation on a Flat Surface
To install the switch on a flat surface, be sure to attach the rubber footpads to the
bottom of the switch.
Installation in a Rack
Refer to the following illustration when installing the switch in a rack.
4
P
O
R
T
1
0
/
1
0
0
M
b
p
s
G
i
g
a
b
i
t
F
ib
e
r
S
w
i
t
c
h
P
o
w
e
A
r
c
t
iv
it
y
1
2
3
G
4
re
e
n
=
F
D
X
,
Y
e
l
lo
w
=
C
1
o
l
T
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R
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L
2
in
k
T
xR
x
E
t
h
e
r
n
e
t
L
3
i
n
k
T
x
M
O
D
R
E
L
x
G
S504SX
L
i
4
n
k
T
x
R
x
L
in
k
(Model GS504 Switch shown)
9378FA
Connecting Devices to the Switch
To connect the switch:
1. Connect the devices to the network ports on the switch, using 50 µ m or
62.5 µ m multimode fiber cables with SC plugs.
Note:
Ethernet specifications limit the cable length between your PC
or server and the switch to 525 m for 50 µ m and 260 m for 62.5 µ m
fiber.
2. Connect one end of the DC power adapter cable to the power outlet on
the rear panel of the switch and the other end of the power adapter
cable to the wall outlet.
Refer to the following illustration when connecting the switch.
Key
1000 Mbps
4
P
O
R
T
1
0
/
1
0
0
M
b
p
s
F
a
s
t E
th
e
rn
e
t S
w
itc
P
h
o
w
e
r
5
6
7
8
T
x
R
x
1
0
0
0
M
L
i
n
k
T
x
R
x
1
0
0
0
M
L
i
n
k
E
th
T
e
x
rne
t
R
x
1
0
0
0
M
L
i
n
k
M
T
O
x
D
E
L
G
R
S
x
5
1
8
1
0
0
0
M
L
i
n
k
9330FA
Model GS504 4-Port Gigabit Switch Installation Guide
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Using the SC Connector
The duplex SC connector connects stations, hubs, and switches that support the
1000BASE-SX fiber interface. Each fiber link needs a clearly defined, external
crossover. In other words, the transmit port of one interface must be wired to the
receive port of the opposite interface and vice versa. Fiber cables must be
connected in this manner to transmit and receive data.
Tx Rx
8895FA
Verify Installation
When power has been applied to the switch, verify that:
• The green Pwr LED on the front panel is on.
• The green Link LED on each connected port is on.
When the switch is connected and operating, refer to the table in “LEDs” for
information about the LEDs and their activity.
Model GS504 4-Port Gigabit Switch Installation Guide
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Troubleshooting Information
Symptom
Power LED is off. No power is received
Link LED is off or
intermittent.
File transfer is
slow or
performance
degradation is a
problem.
A segment or
device is not
recognized as
part of the
network.
FDX/Col LED is
blinking yellow
excessively.
Cause Solution
at the hub.
Port connection is
not functioning.
Half- or full-duplex
setting on the
NETGEAR switch
and the connected
device are not the
same.
One or more devices
are not properly
connected, or
cabling does not
meet Ethernet
guidelines.
Collisions are
occurring on the
connected segment.
Duplex modes are
mismatched.
Check the power cord connections for the
switch and the connected device.
Make sure all cables used are correct and
comply with Ethernet specifications.
Check the crimp on the fiber connectors and
make sure that the plug is properly inserted
and locked into the port at both the switch
and the connecting device.
Make sure all cables used are correct and
comply with Ethernet specifications.
Check for a defective adapter card, cable, or
port by testing them in an alternate
environment where all products are
functioning.
Make sure the remote link partner is set to
autonegotiate or forced to full-duplex
operation.
Verify that the cabling is correct. Be sure all
cable connectors are securely positioned in
the required ports. Equipment may have
been accidentally disconnected.
Some collisions are normal when the
connection is operating in half-duplex mode.
Recheck the link partner settings.
Model GS504 4-Port Gigabit Switch Installation Guide
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Technical Specifications
General Specifications
Network Protocol and Standards
Compatibility
Data Rate
Interface
Power Consumption
Input Voltage (Power Adapter)
Physical Specifications
Dimensions: 13.0 x 1.7 x 8.0 in.
Weight: 5.3 lb; 2.3 kg
Environmental Specifications
Operating temperature: 0 ° to 40 ° C (32 ° to 104 ° F)
Operating humidity: 90% maximum relative humidity, noncondensing
Electromagnetic Compliance
Safety Agency Approvals
Model GS504 Switch
IEEE 8023z 1000BASE-SX
1000 Mbps with 8B/10B encoding
Duplex SC connector for 1000BASE-SX Gigabit
Ethernet
25 W
100–240 V AC
33.0 x 4.3 x 20.7 cm
CE mark, commercial
FCC Part 15 Class A
VCCI Class A
EN 55022 (CISPR 22) Class A, EN50082-1
C-Tick
UL Listed (UL 1950), cUL
TUV Licensed (EN 60 950), IEC 95
Performance Specifications
Frame filter rate: 1,480,000 frames/second maximum
Frame forward rate: 1,480,000 frames/second maximum
Network latency (using 64-byte
packets):
Address database size: 8,000 media access control (MAC) addresses
Addressing: 48-bit MAC address
Queue buffer: 2 MB memory per port
30 microseconds maximum
Model GS504 4-Port Gigabit Switch Installation Guide
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© 2000 by NETGEAR, Inc. All rights reserved.
Trademarks
NETGEAR™ is a trademark of NETGEAR, Inc. Windows® is a registered trademark of
Microsoft Corporation. Other brand and product names are trademarks or registered trademarks of
their respective holders. Information is subject to change without notice. All rights 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.
Certificate of the Manufacturer/Importer
It is hereby certified that the NETGEAR Model GS504 Gigabit Switch has been suppressed in
accordance with the conditions set out in the BMPT-AmtsblVfg 243/1991 and Vfg 46/1992. The
operation of some equipment (for example, test transmitters) in accordance with the regulations
may, however, be subject to certain restrictions. Please refer to the notes in the operating
instructions.
Federal Office for Telecommunications Approvals has been notified of the placing of this
equipment on the market and has been granted the right to test the series for compliance with the
regulations.
Voluntary Control Council for Interference (VCCI) Statement
This equipment is in the first category (information equipment to be used in commercial and/or
industrial areas) and conforms to the standards set by the Voluntary Control Council for
Interference by Data Processing Equipment and Electronic Office Machines that are aimed at
preventing radio interference in commercial and/or industrial areas.
Consequently, when this equipment is used in a residential area or in an adjacent area thereto,
radio interference may be caused to equipment such as radios and TV receivers.
Federal Communications Commission (FCC) Compliance Notice: Radio Frequency
Notice
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions:
• This device may not cause harmful interference.
• This device must accept any interference received, including interference that may cause
undesired operation.
Note : This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of
the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
EN 55 022 Declaration of Conformance
This is to certify that the NETGEAR Model GS504 Gigabit Switch is shielded against the
generation of radio interference in accordance with the application of Council Directive 89/336/
EEC, Article 4a. Conformity is declared by the application of EN 55 022 Class A (CISPR 22).
Model GS504 4-Port Gigabit Switch Installation Guide
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Canadian Department of Communications Radio Interference Regulations
This digital apparatus (NETGEAR Model GS504 Gigabit Switch) does not exceed the Class A
limits for radio-noise emissions from digital apparatus as set out in the Radio Interference
Regulations of the Canadian Department of Communications.
Règlement sur le brouillage radioélectrique du ministère des Communications
Cet appareil numérique (NETGEAR Model GS504 Gigabit Switch) respecte les limites de bruits
radioélectriques visant les appareils numériques de classe A prescrites dans le Règlement sur le
brouillage radioélectrique du ministère des Communications du Canada.
Model GS504 4-Port Gigabit Switch Installation Guide
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NETGEAR, Inc.
A Bay Networks Company
NETGEAR Inc.
4401 Great America Parkway
4500 Great America Parkway
Santa Clara, CA 95054 USA
Santa Clara, CA 95054
Phone: 888-NETGEAR
USA
http://WWW.NETGEARinc.com
Phone: 1-888-NETGEAR
E-mail: support@NETGEAR.com
www.NETGEAR.com
*M-GS504NA-0*
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