ZyXEL Communications GS1100-16 - EDITION 1 User manual

Quick Start Guide
www.zyxel.com
GS1100 Series
Unmanaged Gigabit Ethernet Switch
Version 1.00
Edition 4, 02/2013
Copyright © 2013 ZyXEL Communications Corporation
User’s Guide

GS1100 Series User’s Guide2
IMPORTANT!
READ CAREFULLY BEFORE USE.
KEEP THIS GUIDE FOR FUTURE REFERENCE.
Screenshots and graphics in this book may differ slightly from your product due to differences in
your product firmware or your computer operating system. Every effort has been made to ensure
that the information in this manual is accurate.

Table of Contents
GS1100 Series User’s Guide 3
Table of Contents
Table of Contents .................................................................................................................................3
Chapter 1
Getting to Know Your Switch...............................................................................................................5
1.1 Introduction .........................................................................................................................................5
1.2 Features ..............................................................................................................................................6
1.3 Applications .........................................................................................................................................6
1.3.1 Standalone Workgroup ..............................................................................................................7
1.3.2 Bridging .....................................................................................................................................7
1.4 Power Over Ethernet (PoE) ................................................................................................................7
Chapter 2
Hardware Description and Connection ..............................................................................................9
2.1 Rear Panel .......................................................................................................................................9
2.1.1 Rear Panel Power Connection ..................................................................................................9
2.2 Front Panel ..........................................................................................................................................9
2.2.1 RJ-45 Auto-negotiating Ports ..................................................................................................10
2.2.2 IEEE 802.3az EEE ..................................................................................................................10
2.2.3 SFP Slots (GS1100-24 Only) ...................................................................................................10
2.2.4 Front Panel Connections .........................................................................................................12
2.2.5 Front Panel LEDs ....................................................................................................................12
2.3 Hardware Installation ........................................................................................................................14
2.3.1 Wall Mounting ..........................................................................................................................14
2.3.2 Rack Mounting .........................................................................................................................15
2.3.3 Mounting the Switch on a Rack ...............................................................................................16
Chapter 3
Troubleshooting..................................................................................................................................19
3.1 Improper Network Cabling and Topology ..........................................................................................20
Appendix A Legal Information............................................................................................................21
Index ....................................................................................................................................................23

Table of Contents
GS1100 Series User’s Guide
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GS1100 Series User’s Guide 5
CHAPTER 1
Getting to Know Your Switch
1.1 Introduction
This chapter describes the key features, benefits and applications of your Switch.
This User’s Guide covers the following models: GS1100-8HP, GS1100-16, GS1100-24, and GS1100-
24E. The Switch is a 10/100/1000 Mbps multi-port switch that can be used to build high-
performance switched workgroup networks. The Switch is a store-and-forward device that offers
low latency for high-speed networking. The Switch is fanless and designed for workgroups,
departments or backbone computing environments for small businesses.
The GS1100-8HP has four GbE PoE ports that can supply power to the connected PoE powered
devices.
The GS1100-24 has two SFP slots for uplink connection. Use SFP transceivers in these slots for
100Mbps or 1Gbps connections to backbone Ethernet switches.
The Switch has a built-in algorithm that automatically assigns priority to received packets. It can
operate in low power idle mode in compliance with IEEE 802.3az Energy Efficient Ethernet (EEE).
Table 1 GS1100 Series Comparison Table
PORT/SWITCH DETAILS GS1100-8HP GS1100-16 GS1100-24 GS1100-24E
8 10/100/1000Base-T Ethernet ports
(including 4 PoE ports)
16 10/100/1000Base-T Ethernet ports
24 10/100/1000Base-T Ethernet ports
2 100/1000Base-X SFP slots
One physical IEEE 802.3az ON/OFF button
One power ON/OFF switch

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Figure 1 Front Panel
1.2 Features
The following are the essential features of the Switch.
• Conforms to IEEE 802.3, 802.3u, 802.3ab and 802.3x standards.
• Auto-negotiating 10/100/1000 Mbps Gigabit Ethernet (GbE) RJ-45 ports.
• Auto-sensing crossover for all 10/100/1000 Mbps Gigabit Ethernet (GbE) RJ-45 ports.
• Supports N-Way protocol for speed (10/100/1000 Mbps) and duplex mode (Half/Full) auto-
detection.
• Supports store-and-forward switching.
• Supports automatic address learning.
• Supports IEEE 802.3az EEE
• Supports IEEE 802.3af and IEEE 802.3at PoE standards (only GS1100-8HP)
• Full wire speed forwarding rate.
• Supports 802.1p CoS.
• Embedded 8K MAC address table providing 8000 MAC addresses entries.
1.3 Applications
This section provides two network topology examples in which the Switch is used.
GS1100-8HP
GS1100-16
GS1100-24
GS1100-24E

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1.3.1 Standalone Workgroup
In this application, the Switch is an ideal solution for small networks where rapid growth can be
expected in the near future.
The Switch can be used standalone for a group of heavy traffic users. You can connect computers
directly to the Switch’s port or connect other switches to the Switch.
In this example, all computers can share high-speed applications on the server. To expand the
network, simply add more networking devices such as switches, routers, computers, print servers
etc.
Figure 2 Standalone Workgroup Example
1.3.2 Bridging
With its large address table and high performance, the Switch is an ideal solution for department
networks to connect to the corporate backbone or for connecting network segments.
The following figure depicts a typical segment bridge application of the Switch in an enterprise
environment. The two networks (RD and Sales), the standalone server and the computers can all
communicate with each other and share all network resources.
Figure 3 Bridging Example
1.4 Power Over Ethernet (PoE)
The PoE function is available for GS1100-8HP only.

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Ports 1 to 4 on the GS1100-8HP are IEEE 802.3at High Power over Ethernet (PoE) compliant and
can supply power of up to 30W per Ethernet port and up to the total PoE power budget per Switch.
A powered device (PD) is a device such as an access point or a switch, that supports PoE (Power
over Ethernet) so that it can receive power from another device through a 10/100/1000 Mbps
Ethernet port.
In the figure below, the IP camera and IP phone get their power directly from the Switch. Aside
from minimizing the need for cables and wires, PoE removes the hassle of trying to find a nearby
electric outlet to power up devices.
Figure 4 Powered Device Examples

GS1100 Series User’s Guide 9
CHAPTER 2
Hardware Description and Connection
2.1 Rear Panel
The power receptacle is located on the rear panel of the Switch. Refer to the power supply
requirements on the panel.
Figure 5 Rear Panel
2.1.1 Rear Panel Power Connection
Connect one end of the supplied power cord or power adaptor to the power receptacle on the back
of the Switch and the other end to the appropriate power source.
For the GS1100-8HP, GS1100-16 and GS1100-24E, use the POWER ON/OFF switch to have the
Switch power on or off.
2.2 Front Panel
The front panel of the Switch includes the auto-negotiating 10 Base-T/100 Base-TX/1000 Base-T
RJ-45 ports and the LEDs.
GS1100-16
GS1100-24
GS1100-8HP
GS1100-24E

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The GS1100-24 has two SFP slots. Refer to Section 2.2.3 on page 10 for more information.
2.2.1 RJ-45 Auto-negotiating Ports
The 10 Base-T/100 Base-TX/1000 Base-T RJ-45 ports are auto-negotiating and auto-crossover.
An auto-negotiating port can detect and adjust to the optimum Ethernet speed (10/100/1000
Mpbs) and duplex mode (full duplex or half duplex) of the connected device.
An auto-crossover (auto-MDI/MDI-X) port automatically works with a straight-through or crossover
Ethernet cable.
2.2.2 IEEE 802.3az EEE
The Switch supports the IEEE 802.3az EEE (Energy Efficient Ethernet) standard to help reduce
power consumption. This allows the Switch to go into power saving mode and switch off part of
receive and transmit circuitry when it is not transmitting or receiving data through an Ethernet
connection.
An EEE-enabled device initiates Low Power Idle (LPI) signals to negotiate and wake up the remote
device when there is data to be transmitted. To use EEE, both devices should be EEE compliant.
EEE is configured on a per-system basis in the Switch. If one of the networking devices that
connect to the Switch doesn't support EEE, EEE may not work in the Switch to save power.
Press in the IEEE 802.3az EEE ON/OFF button on the front panel to turn on the EEE feature.
Disable it if you don't want the network performance to be impacted due to the latency from the
additional time required for the sleep and wake transition or if the remote side doesn't support it.
2.2.3 SFP Slots (GS1100-24 Only)
These are slots for Small Form-factor Pluggable (SFP) transceivers. A transceiver is a single unit
that houses a transmitter and a receiver. The Switch does not come with transceivers. You must use
transceivers that comply with the Small Form-factor Pluggable (SFP) Transceiver MultiSource
Agreement (MSA). See the SFF committee’s INF-8074i specification Rev 1.0 for details.
You can change transceivers while the Switch is operating. You can use different transceivers to
connect to Ethernet switches with different types of fiber-optic or even copper cable connectors.
To avoid possible eye injury, do not look into an operating fiber-optic
module’s connectors.
• Type: SFP connection interface
• Connection speed: 100 Megabit per second (Mbps) or 1 Gigabit per second (Gbps)
2.2.3.1 Transceiver Installation
Use the following steps to install a SFP module.
1Insert the transceiver into the slot with the exposed section of PCB board facing down.

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GS1100 Series User’s Guide 11
2Press the transceiver firmly until it clicks into place.
3The Switch automatically detects the installed transceiver. Check the LEDs to verify that it is
functioning properly.
4Close the transceiver’s latch (latch styles vary).
5Connect the fiber optic cables to the transceiver.
Figure 6 Transceiver Installation Example
Figure 7 Connecting the Fiber Optic Cables
2.2.3.2 Transceiver Removal
Use the following steps to remove a SFP module.
1Remove the fiber optic cables from the transceiver.
2Open the transceiver’s latch (latch styles vary).
3Pull the transceiver out of the slot.
Figure 8 Removing the Fiber Optic Cables
Figure 9 Opening the Transceiver’s Latch Example

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Figure 10 Transceiver Removal Example
2.2.4 Front Panel Connections
You can use unshielded twisted pair (UTP) or shielded twisted-pair (STP) Ethernet cables for RJ-45
ports. The following table describes the types of network cable used for the different connection
speeds. .
You can use either crossover or straight-through cables for all the ports.
2.2.5 Front Panel LEDs
The LED Indicators give real-time information about the status of the Switch. The following table
provides descriptions of the LEDs.
Table 2 Network Cable Types
SPEED NETWORK CABLE TYPE
10 Mbps Category 3, 4 or 5 UTP/STP
100 Mbps Category 5 UTP/STP
1000 Mbps Category 5e, 6 UTP/STP

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GS1100 Series User’s Guide 13
Figure 11 Front Panel LEDs
The following table describes the LEDs.
Table 3 The Front Panel LED Descriptions: GS1100-8HP
LED COLOR STATUS DESCRIPTION
PWR Green On The Switch is on and receiving power.
Off The Switch is not receiving power.
PoE MAX Red On Power supplied to the PoE port(s) reachs the power budget limit or
exceeds the total PoE power budget on the Switch.
Off Power supplied to the PoE port(s) is below the power budget limit.
PoE Amber On Power is supplied to the PoE port.
Off Power is not supplied to the PoE port.
1G Green On The port is connected to an Ethernet network at 1000M speed.
Blinking The port is receiving or transmitting data at 1000M speed.
Off The port is not connected to an Ethernet network.
GS1100-8HP
GS1100-16
GS1100-24
GS1100-24E

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2.3 Hardware Installation
See the following table for a comparison of the hardware installation methods of each GS1100
model:
Table 5 GS1100 Series Installation Comparison Table
Note: Ask an authorized technician to attach the Switch to the rack/wall.
For GS1100-8HP, GS1100-16 and GS110-24E, you can place the Switch directly on top of your desk
or have it wall-mounted. For GS1100-16, GS1100-24 and GS110-24E, the size is suitable for rack-
mounting and you can refer to Section 2.3.2 on page 15 for instruction. Take note of the following:
• The Switch should have a minimum 25 mm space around it for ventilation.
• The Switch should be placed in a desk that has a level surface and that is able to support the
weight of the Switch.
To start using it, simply connect the power cables and turn on the Switch.
2.3.1 Wall Mounting
Do the following to attach your Switch to a wall.
10/100 Amber On The port is connected to an Ethernet network at 10M or 100M speed.
Blinking The port is receiving or transmitting data at 10M or 100M speed.
Off The port is not connected to an Ethernet network.
Table 4 The Front Panel LED Descriptions: GS1100-16/24/24E
LED COLOR STATUS DESCRIPTION
PWR Green On The Switch is on and receiving power.
Off The Switch is not receiving power.
LINK/
ACT Green On The port is connected to an Ethernet network.
Blinking The port is receiving or transmitting data.
Off The port is not connected to an Ethernet network.
Table 3 The Front Panel LED Descriptions: GS1100-8HP
LED COLOR STATUS DESCRIPTION
MODEL FEATURE GS1100-8HP GS1100-16 GS1100-24 GS1100-24E
Desktop Device
Wall-mountable
Rack-mountable

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GS1100 Series User’s Guide 15
See Table 6 on page 15 for how far apart to place the screws.
1Screw the two screws provided with your Switch into the wall (see the figure in step 2). Use screws
with 6 mm ~ 8 mm (0.24" ~ 0.31") wide heads. Do not screw the screws all the way in to the wall;
leave a small gap between the head of the screw and the wall.
The gap must be big enough for the screw heads to slide into the screw slots and the connection
cables to run down the back of the Switch.
Note: Make sure the screws are securely fixed to the wall and strong enough to hold the
weight of the Switch with the connection cables.
2Align the holes on the back of the Switch with the screws on the wall. Hang the Switch on the
screws.
The Switch should be wall-mounted horizontally. The Switch's side
panels with ventilation slots should not be facing up or down as this
position is less safe.
2.3.2 Rack Mounting
The Switch can be mounted on an EIA standard size, 19-inch rack or in a wiring closet with other
equipment. Follow the steps below to mount your Switch on a standard EIA rack using a rack-
mounting kit.
Rack-mounted Installation Requirements
• Two mounting brackets.
Table 6 Distance between the centers of the holes for wall mounting
MODEL DISTANCE
GS1100-8HP 120 mm
GS1100-16 148 mm
GS1100-24E 207 mm

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• Eight M3 flat head screws and a #2 Philips screwdriver.
• Four M5 flat head screws and a #2 Philips screwdriver.
Failure to use the proper screws may damage the unit.
Precautions
• Make sure the rack will safely support the combined weight of all the equipment it contains.
• Make sure the position of the Switch does not make the rack unstable or top-heavy. Take all
necessary precautions to anchor the rack securely before installing the unit.
Attaching the Mounting Brackets to the Switch
1Position a mounting bracket on one side of the Switch, lining up the four screw holes on the bracket
with the screw holes on the side of the Switch.
Figure 12 Attaching the Mounting Brackets (GS1100-16 and GS1100-24E)
Figure 13 Attaching the Mounting Brackets (GS1100-24)
2Using a #2 Philips screwdriver, install the M3 flat head screws through the mounting bracket holes
into the Switch.
3Repeat steps 1and 2to install the second mounting bracket on the other side of the Switch.
4You may now mount the Switch on a rack. Proceed to the next section.
2.3.3 Mounting the Switch on a Rack
1Position a mounting bracket (that is already attached to the Switch) on one side of the rack, lining
up the two screw holes on the bracket with the screw holes on the side of the rack.

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GS1100 Series User’s Guide 17
Figure 14 Mounting the Switch on a Rack (GS1100-16 and GS1100-24E)
Figure 15 Mounting the Switch on a Rack (GS1100-24)
2Using a #2 Philips screwdriver, install the M5 flat head screws through the mounting bracket holes
into the rack.
3Repeat steps 1and 2to attach the second mounting bracket on the other side of the rack.

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GS1100 Series User’s Guide 19
CHAPTER 3
Troubleshooting
This section describes common problems you may encounter with the Switch and possible
solutions.
Troubleshoot the Switch using the LEDs to detect problems.
The PWR LED on the front panel does not light up.
• Check the connections from your Switch to the power source. Make sure you are using the
supplied power cord and that you are using an appropriate power source. Refer to the product
specifications.
• Make sure the power source is turned on and that the Switch is receiving sufficient power.
• If these steps fail to correct the problem, contact your local distributor for assistance.
The LNK/ACT, 1G or 10/100 LED does not light up when a device is connected.
• Verify that the attached device(s) is turned on and properly connected to your Switch.
• Make sure the network adapters are working on the attached devices.
• Verify that proper network cable type is used and its length does not exceed 100 meters. For
more information on network cable types, see Section 3.1 on page 20.
The PoE LED is off and/or power is not being supplied to my PoE-enabled device. (For
GS1100-8HP)
• Check to see that the power adaptor is securely connected to the GS1100-8HP and an
appropriate power source. Make sure the power source is on and functioning properly.
• Check that the Ethernet cables are connected properly and that you are using the correct type of
Ethernet cable. Contact your local distributor if the problem persists.

Chapter 3 Troubleshooting
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3.1 Improper Network Cabling and Topology
Improper network cabling or topology setup is a common cause of poor network performance or
even network failure.
Figure 16 Troubleshooting Improper Network Cabling and Topology
PROBLEM CORRECTIVE ACTION
Faulty cables Using faulty network cables may affect data rates and have an impact on your network
performance. Replace with new standard network cables.
Non-standard
network cables Non-standard cables may increase the number of network collisions and cause other network problems that affect your network performance. Refer to Section 2.2.4 on page 12
for more information on network cable types.
Cabling Length If you use longer cables than are needed, transmission quality may be affected.
The network cables should not be longer than the limit of 100 meters.
Too many hubs
between the
computers in
the network
Too many hubs (or repeaters) between the connected computers in the network may
increase the number of network collision or other network problems. Remove unnecessary
hubs from the network.
A loop in the
data path A data path loop forms when there is more than one path or route between two networked computers. This results in broadcast storms that will severely affect your network
performance. Make sure there are no loops in your network topology.