Allied Telesis CentreCOM GS980M Series User manual

*613-003045 Rev A*
613-003045 Rev. A
CentreCOM® GS980M Series
Gigabit Ethernet Switches
AlliedWare Plus™
GS980M/52
GS980M/52PS
Quick Installation Guide

2 CentreCOM GS980M Series Quick Installation Guide
Introduction
This Quick Installation Guide contains a short version of the
installation instructions for the GS980M Series of Gigabit Ethernet
Switches. For more instructions, refer to the GS980M Gigabit
Ethernet Switch Series Installation Guide on the Allied Telesis
web site at www.alliedtelesis.com/us/en/services-support. The
guide contains the following sections:
“Front Panels” next
“PoE+ Power Budget” on page 3
“Beginning the Installation” on page 3
“Installing the Switch” on page 7
“Ports” on page 11
“Powering On the Switch” on page 13
“LEDs” on page 14
“Starting a Local Management Session” on page 17
“Troubleshooting” on page 18
Front Panels
The front panels of switches are illustrated here.
110/100/1000Mbps: 48 Ethernet copper ports
210/100/1000Mbps: 48 Ethernet copper ports with PoE+
3100Mbps and 1Gbps: Four Ethernet SFP transceiver ports
4Management panel
134
234
GS980M/52
GS980M/52PS

CentreCOM GS980M Series Quick Installation Guide 3
The management panel is illustrated here.
PoE+ Power Budget
The GS980M/52PS Switch has a PoE+ budget of 740W. The power
budget is the maximum amount of power that the switch can supply
to powered devices on the Ethernet copper ports. The switch
supports IEEE 802.3at Classes 0 to 4 (maximum 30.0W at the ports).
Beginning the Installation
Reviewing Safety Precautions
Review the following safety precautions before installing the product.
Note: The  symbol indicates that a translation of the safety
statement is available in the PDF document “Translated Safety
Statements” on the Allied Telesis website at
www.alliedtelesis.com/us/en/documents/translated-safety-
statements.
Warning: Class 1 Laser product.  L1
Warning: Do not stare into the laser beam.
 L2
Warning: Power cord is used as a disconnection device.
To de-energize equipment, disconnect the power cord.
 E3
USB Port
eco-friendly
Button
Console Management
Port
System LEDs

4 CentreCOM GS980M Series Quick Installation Guide
Installation Options
This figure illustrates the three installation options.
Warning: To prevent electric shock, do not remove the
cover. No user-serviceable parts inside. This unit
contains hazardous voltages and should only be opened
by a trained and qualified technician. To avoid the
possibility of electric shock, disconnect electric power to
the product before connecting or disconnecting the
cables.  E1
Warning: Class I Equipment. This equipment must be
earthed. The power plug must be connected to a
properly wired earth ground socket outlet. An improperly
wired socket outlet could place hazardous voltages on
accessible metal parts.  E4
Warning: The device is heavy. Always ask for
assistance before moving or lifting it to avoid injuring
yourself or damaging the equipment.  E122
Warning: To reduce the risk of electric shock, the PoE
ports on this product must not connect to cabling that is
routed outside the building where this device is located.
 E40
Table
Standard 19-inch equipment
rack
Wood or concrete
wall

CentreCOM GS980M Series Quick Installation Guide 5
Unpacking the Switch
The following figure and table list the accessory items included with
the switch.
One 2m (6.6 ft) local
management cable with
RJ-45 (8P8C) and DB-9
(D-sub 9-pin) connectors
One AC power cord
One power cord retaining
clip
Four wall/equipment rack
brackets
Sixteen M3x6 screws for
attaching the wall/
equipment rack brackets
to the switch.
Four M4x32.3 screws for
wood or concrete walls
Four M6x4x29.6 wall
anchors
Four bumper feet with
rivets

6 CentreCOM GS980M Series Quick Installation Guide
Choosing a Site for the Switch
Review these site recommendations and requirements.
Before installing the switch in an equipment rack, check that the
rack is safely secured so that it will not tip over. Devices in a rack
should be installed starting at the bottom of the rack, with the
heavier devices near the bottom.
Before installing the switch on a table, verify that the table is level
and stable.
Before installing the switch on a wall, verify that the wall’s material
is strong enough to hold the switch’s weight. You should position
the device so that it can be screwed into the wall’s framing timber
or equivalent structural element.
The power outlet should be located near the switch and be easily
accessible.
The site should allow for easy access to the ports on the front of
the switch so that you can easily connect and disconnect cables,
and view the port LEDs.
The site should allow for adequate air flow around the unit and
through the cooling vents on the front and rear panels. (The
ventilation direction is from front to back.)
Do not place objects on top of the switch.
The site should not expose the switch to moisture or water.
The site should be a dust-free environment.
The site should use dedicated power circuits or power
conditioners to supply reliable electrical power to the network
devices.
Do not install the switch in a wiring or utility box that does not have
adequate airflow. The switch might overheat and shutdown.
Warning: Switches should not be stacked on a table or
desktop. They could present a physical safety hazard if
you need to move or replace switches.  E91

CentreCOM GS980M Series Quick Installation Guide 7
Installing the Switch
Installing the Switch on a Desk or Table
To install the switch on a desk or table, perform the following
procedure:
1. Place the switch upside down on a table.
2. Inset a rivet housing into a bumper foot.
3. Place the bumper foot on one of the corner holes in the bottom
panel of the switch.
4. Insert the rivet to secure the bumper foot to the base.
5. Repeat steps 2 to 4 to install the remaining bumper feet.
6. Turn the switch over.
7. Go to “Ports” on page 11.
Installing the Switch in an Equipment Rack
The following items are required to install the switch in an equipment
rack:
Two equipment rack brackets (included with the switch)
Eight M3x6mm bracket screws (included with the switch)
Cross-head screwdriver (not provided)
Four standard equipment rack screws (not provided)
To install the switch, perform the following procedure:
1. If the bumper feet are attached to the bottom of the switch,
remove them using a flat-head screwdriver.
2. Attach two brackets to the sides of the switch with eight M3x6mm
screws included with the unit. The following figure illustrates
the four possible positions of the brackets on the switch in a
standard 19-inch equipment rack.

8 CentreCOM GS980M Series Quick Installation Guide
3. Have another person hold the switch in the equipment rack while
you secure it using four standard equipment rack screws (not
provided).
4. Go to “Ports” on page 11.

CentreCOM GS980M Series Quick Installation Guide 9
Installing the Switch on a Wall
You can install the switch on a wall with the front panel facing left or
right, as shown in the next figure. Do not install it with the front panel
facing up or down.
Here are the required tools and material for installing the switch on a
wall:
Four wall/equipment rack brackets and sixteen screws (included
with the switch)
Four wood or concrete wall screws (included with the switch)
Four wall anchors (included with the switch)
Cross-head screwdriver (not provided)
Flat-head screwdriver (not provided)
Stud finder for a wooden wall, capable of identifying the middle of
wall studs and hot electrical wiring (not provided)
Drill and 1/4” carbide drill bit for a concrete wall (not provided)
Warning: The device should be installed on the wall by a
qualified building contractor. Serious injury to yourself or
others or damage to the equipment may result if it is not
properly fastened to the wall.  E105
Caution: The supplied screws and anchors might not be
suitable for all walls. A qualified building contractor
should determine the hardware requirements of your wall
before installing the switch.  E88

10 CentreCOM GS980M Series Quick Installation Guide
To install the switch on the wall, perform the following procedure:
1. Place the switch in a table.
2. Install the four wall/equipment rack brackets to the sides of the
unit with the sixteen M3x6mm screws included with the switch.
Note: If you need to drill holes in the wall for the screws, perform
steps 3 to 7. Otherwise, go to step 8.
3. Have a person hold the switch on the wall at the selected location
while you use a pencil to mark the wall with the locations of the
four screw holes in the four brackets (one screw per bracket).
4. Place the switch on a table or desk.
5. Use the stud finder to check for hot electrical wires at the
locations of the screw holes.

CentreCOM GS980M Series Quick Installation Guide 11
6. If the wall material requires pre-drilling the screw holes, use an
appropriate drill to drill the holes. The switch comes with four
M4x32.3mm screws.
7. If the wall material requires anchors, insert the anchors into the
screw holes. The switch comes with four M6x4x29.6 mm
anchors.
8. Have another person hold the switch at the selected wall location
while you secure it to the wall with four screws.
9. Go to “Ports” next.
Ports
Ethernet Copper Cable Specifications
The minimum cable requirements for the Ethernet copper ports are.
10Mbps or 100Mbps: Standard TIA/EIA 568-B-compliant
Category 3 unshielded cabling.
1000Mbps: Standard TIA/EIA 568-A-compliant Category 5 or TIA/
EIA 568-B-compliant Enhanced Category 5 (Cat 5e) unshielded
cabling.
Cabling Ethernet Copper Ports
Observe the following guidelines when connecting Ethernet copper
cables to the ports on the switch:
The connectors on the cables should fit snugly into the ports, and
the tabs should lock the connectors into place.
The default speed setting for the ports is Auto-Negotiation. This
setting is appropriate for ports connected to network devices that
also support Auto-Negotiation.
The ports must be set to Auto-Negotiation, the default setting, to
operate at 1000Mbps.
The ports support half- and full-duplex at 10Mbps or 100Mbps.
The ports support only full-duplex at 1000Mbps.
Warning: Do not install the switch on a wall near hot
electrical wires.

12 CentreCOM GS980M Series Quick Installation Guide
Do not attach cables to ports of static or LACP port trunks until
after you configure the trunks on the switch. Otherwise, the ports
will form network loops that can adversely affect network
performance.
PoE+ is enabled by default on the ports on the GS980M/52PS
switch.
Installing SFP Transceivers
Here are general installation guidelines:
You can install SFP transceivers while the switch is powered on.
For a list of supported transceivers, refer to the product’s data
sheet on the Allied Telesis web site at www.alliedtelesis.com.
The operational specifications and fiber optic cable requirements
are included with the transceivers.
Install the transceivers before connecting their fiber optic cables.
Fiber optic transceivers are dust sensitive. Always keep the dust
cover in the optical ports when a fiber optic cable is not installed.
Unnecessary removal and insertion of transceivers can lead to
premature failures.
To install SFP transceivers, perform the following procedure:
1. To install a transceiver in a top port, position it with the Allied
Telesis label facing up. To install it in a bottom port, position it
with the label facing down.
Warning: Transceivers can be damaged by static
electricity. Observe all standard electrostatic discharge
(ESD) precautions, such as wearing an antistatic wrist
strap, to avoid damaging the devices.  E86

CentreCOM GS980M Series Quick Installation Guide 13
2. Slide the transceiver into the port until it clicks into place.
To attach the fiber optic cable to the transceiver, continue with
the next step. Otherwise, repeat steps 1 ans 2 to install the
remaining transceivers in the switch.
3. Remove the dust cover from the transceiver.
4. Connect the fiber optic cable to the transceiver. The connector
should fit snugly into the port, and the tab should lock the
connector into place.
5. Repeat this procedure to install additional transceivers.
6. Go to “Powering On the Switch” on page 13.
Powering On the Switch
1. Install the power cord retaining clip on the AC power connector
on the rear panel of the switch, and raise the clip.
2. Connect the power cord to the connector and lower the retaining
clip to secure the power cord.
Warning: Power cord is used as a disconnection device.
To de-energize equipment, disconnect the power cord.
 E3

14 CentreCOM GS980M Series Quick Installation Guide
3. Plug the other end of the power cord into an appropriate AC
power source.
4. Wait two minutes for the switch to initialize its management
software.
5. Verify that the POWER LED is green. If the LED is OFF, see
“Troubleshooting” on page 18.
LEDs
Ethernet Copper Port LEDs
The Ethernet copper port LEDs on the switches are described here.
Speed/Activity LEDs
Solid
Green
The port has established a 1Gbps link to a network
device.
Flashing
Green
The port is transmitting or receiving packets at 1Gbps.
Solid
Amber
The port has established a 10 or 100Mbps link to a
network device.
Speed/Activity LEDs Duplex Mode
or PoE+ LEDs

CentreCOM GS980M Series Quick Installation Guide 15
Flashing
Amber
The port is transmitting or receiving packets at 10 or
100Mbps.
Off Possible causes of this state are listed here:
- The port has not established a link with another
network device.
- The LEDs are turned off. To turn on the LEDs, use
the eco-friendly button.
Duplex Mode LEDs - GS980M/52 Switch
Solid
Green
The port is operating in full-duplex mode.
Solid
Amber
The port is operating in half-duplex mode.
Flashing
Amber
The port is encountering collisions in half-duplex mode.
PoE+ LEDs - GS980M/52PS Switch
Solid
Green
The port is delivering power to a powered device.
Solid
Amber
The switch has shut down PoE on the port because of
a fault condition.
Flashing
Amber
The switch has detected a powered device on the port
but cannot supply power to it because it is already
supplying its maximum power to other devices. The
maximum power budget for the switch is 740W.
Off This LED state can result from the following conditions:
- The port is not connected to a powered device or the
device is powered off.
- The port is disabled in the management software.
- PoE is disabled on the port.
- The LEDs are turned off. To turn on the LEDs, use
the eco-friendly button.

16 CentreCOM GS980M Series Quick Installation Guide
SFP Port LEDs
The SFP port LEDs are described here.
System LEDs
The System LEDs are described here.
Solid
green
The port has established a 1Gbps link to a network
device.
Flashing
green
The port is transmitting or receiving packets at 1Gbps.
Solid
amber
The port has established a 100Mbps link to a network
device.
Flashing
amber
The port is transmitting or receiving packets at
100Mbps.
Off Possible causes of this state are listed here:
- The SFP transceiver port is empty.
- The SFP transceiver has not established a link with
another network device.
- The LEDs are turned off. To turn on the LEDs, use
the eco-friendly button.
LED for Bottom
SPF Port
LED for Top
SPF Port

CentreCOM GS980M Series Quick Installation Guide 17
Starting a Local Management Session
The Console port on the front panel is used to manage the switch.
locally. The switch does not need an IP address for local
management.
Local management through the Console port requires a management
cable. There are two cables. One cable comes with the switch. It is
2m (6.6 ft) long with RJ-45 (8P8C) and DB-9 (D-sub 9-pin)
connectors. See “Unpacking the Switch” on page 5.
Fault LED
Off The switch is operating normally or is not
powered on.
Flashing amber The switch is experiencing a problem. View
the log messages to troubleshoot the problem.
Power LED
Solid green The power supply is operating normally.
Off Possible conditions of this state include:
- The power supply is not receiving power.
- The switch has overheated and shut down.
- The input AC power is outside its operating
range.
- The power supply has failed.
USB LED
Off The USB slot is empty or the LEDs are off.
Solid green The switch has detected a USB drive in the
slot.
Flashing green The switch is writing to or reading from the
USB drive.
Flashing amber The switch encountered an error with the USB
drive.

18 CentreCOM GS980M Series Quick Installation Guide
For workstations without a DB-9 connector, such as laptop
computers, Allied Telesis offers the VT-Kit3 management cable. It
has a USB-A male connector that connects to a USB port on your
workstation. The cable requires a software driver from Allied Telesis.
The VT-Kit3 management cable is sold separately.
To start a local management session, perform the following
procedure:
1. Connect the RJ-45 end of the management card included with
the switch to the Console RS-232 port on the management panel.
2. Connect the other end of the cable to an RS-232 port on a
terminal or personal computer with a terminal emulation program.
3. Configure the VT-100 terminal or terminal emulation program as
follows:
Default baud rate: 9600 bps (The baud rates of the Console port
are 9600, 19200, 38400, 57600, and 115200 bps.)
Data bits: 8
Parity: None
Stop bits: 1
Flow controller: None
4. Press Enter. You are prompted for a user name and password.
5. Enter the default user name and password. They are “manager”
and “friend” (without quotes), respectively. The user name and
password are case sensitive. The local management session
starts when the User Exec mode awplus> prompt is displayed.
For more information, refer to the Software Reference for
GS980M Series Switches, AlliedWare Plus Operating
System from www.alliedtelesis.com/us/en/services-support.
Troubleshooting
Problem: All port and system LEDs are off, and the has stopped.
Solutions: The unit is not receiving power. Try the following:
Verify that the power cord is securely connected to the power
source and the AC connector on the back panel of the switch.
Verify that the power outlet has power by connecting another
device to it.

CentreCOM GS980M Series Quick Installation Guide 19
Problem: All of the port LEDs are off even though the ports are
connected to active network devices.
Solution: The switch might be operating in the low power mode. To
toggle on the LEDs, press the eco-friendly button on the front panel
of the switch. You can also toggle the LEDs off and on with the
ECOFRIENDLY LED and NO ECOFRIENDLY LED commands in the
command line interface.
Problem: A LINK/ACT LED is off for a Ethernet copper port that is
connected to an active network device.
Solutions: The port is unable to establish a link to a network device.
Try the following:
Verify that the network device connected to the Ethernet copper
port is powered on and is operating properly.
Verify that the port is connected to the correct Ethernet copper
cable.
Problem: The LINK/ACT LED is off for an SFP transceiver that is
connected to an active network device.
Solutions: The fiber optic port on the transceiver is unable to
establish a link to a network device. Try the following:
Verify that the fiber optic cable is securely connected to the port
on the transceiver and to the port on the remote network device.
Check that the transceiver is fully inserted in the slot.
Problem: A port on the GS980M/52PS Switch is not providing power
to a PoE+ device.
Solutions: Try the following:
Check the port’s PoE LED. Refer to “Ethernet Copper Port LEDs”
on page 14. If the LED is flashing amber, the switch cannot
support additional PoE devices device because it is already
providing its maximum power to other devices. The maximum
power budget for the switch is 740W.
Review the powered device’s documentation to confirm that the
device supports Mode A of the IEEE 802.3at standard and that it
uses pins 1, 2, 3, and 6 on the RJ-45 port to receive power.
Check that the device’s power requirements do not exceed
25.5W by reviewing its documentation or data sheet.

20 CentreCOM GS980M Series Quick Installation Guide
Copyright  2022 Allied Telesis, Inc.
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Allied Telesis, Inc. reserves the right to make changes in specifications and other
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Inc. be liable for any incidental, special, indirect, or consequential damages
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