Allied Telesis CentreCOM GS970M Series User manual

*613-003051 Rev A*
613-003051 Rev. A
CentreCOM® GS970M Series
Gigabit Ethernet Switches
AlliedWare Plus™
GS970M/10 GS970M/10PS
GS970M/18 GS970M/18PS
GS970M/28 GS970M/28PS
Quick Installation Guide

2 CentreCOM GS970M Series Quick Installation Guide
Introduction
This guide contains a short version of the installation instructions for
the GS970M Series of Gigabit Ethernet Switches. For more
instructions, refer to the GS970M Series of Gigabit Ethernet Switches
Installation Guide on the Allied Telesis web site at
www.alliedtelesis.com/us/en/services-support. This guide
contains the following sections:
“Front Panels” next
“PoE+ Power Budgets” on page 4
“Beginning the Installation” on page 5
“Installing the Switch” on page 9
“Ports” on page 13
“Powering On the Switch” on page 15
“LEDs” on page 16
“Starting a Local Management Session” on page 19
“Troubleshooting” on page 20
Front Panels
The front panels of the switches are illustrated here.
GS970M/10
GS970M/10PS
67
3
12
57
3
12
57
23
1
GS970M/18
4
4
4

CentreCOM GS970M Series Quick Installation Guide 3
Here are the 10/100/1000Mbps Ethernet copper ports on the
switches.
1 eco-friendly button for turning the LEDs on and off
2 SD card slot for storing copies of switch configuration files
3 Console port for local switch management
4 System LEDs
5 10/100/1000Mbps Ethernet copper ports
6 10/100/1000Mbps Ethernet copper ports with PoE+
7 Ports for 100Mbps and1Gbps SFP transceivers
Switch 10/100/1000Mbps
Ports
10/100/1000Mbps
Ports with PoE+
GS970M/10 Ports 1 to 8 -
GS970M/10PS - Ports 1 to 8
GS970M/18 Ports 1 to 16 -
GS970M/18PS
GS970M/28PS
672
31
GS970M/28
572
31
67
23
14
4
4

4 CentreCOM GS970M Series Quick Installation Guide
Here are the 100Mbps and 1Gbps SFP transceiver ports.
PoE+ Power Budgets
The PoE+ power budgets of the GS970M/10PS, GS970M/18PS, and
GS970M/28PS switches are listed here. Power budgets are the
maximum amounts of power that PoE+ switches can supply to
powered devices on the Ethernet copper ports. The switches support
IEEE 802.3at Classes 0 to 4 (maximum 30.0W at the ports).
GS970M/18PS - Ports 1 to 16
GS970M/28 Ports 1 to 24 -
GS970M/28PS - Ports 1 to 24
Switch SFP Transceiver Ports
GS970M/10 Ports 9 and 10
GS970M/10PS Ports 9 and 10
GS970M/18 Ports 17 and 18
GS970M/18PS Ports 17 and 18
GS970M/28 Ports 25 to 28
GS970M/28PS Ports 25 to 28
Switch PoE+ Budget
GS970M/10PS 124 watts
GS970M/18PS 247 watts
GS970M/28PS 370 watts
Switch 10/100/1000Mbps
Ports
10/100/1000Mbps
Ports with PoE+

CentreCOM GS970M Series Quick Installation Guide 5
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
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

6 CentreCOM GS970M Series Quick Installation Guide
Installation Options
This figure illustrates the installation options.
Unpacking the Switch
The switches come with these items:
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
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 AC power cord
retaining clip

CentreCOM GS970M Series Quick Installation Guide 7
The GS970M/28 Switch comes with these additional items:
The GS970M/28PS Switch comes with these additional items:
Optional Wall and Equipment Rack Brackets
The following brackets for the GS970M Series are sold separately.
Two RKMT-J13 brackets
and six M4x8 flathead
screws for installing the
switch in a standard 19-
inch equipment rack
Two brackets and six
M4x8 flathead screws for
installing the switch in a
standard 19-inch
equipment rack
RKMT-J05 bracket kit for
installing the GS970M/10
Switch in an equipment
rack.
RKMT-J14 bracket kit for
installing the GS970M/10PS
Switch in an equipment rack.

8 CentreCOM GS970M Series Quick Installation Guide
Choosing a Site for the Switch
Review these site recommendations and requirements.
Before installing the switch in an equipment rack, verify 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.
RKMT-J13 bracket kit for
installing the GS970M/18 and
GS970M/18PS Switches in
an equipment rack.
RKMT-J15 rack mount shelf
for installing two
GS970M/10PS Switches in
an equipment rack.
BRKT-J23 brackets for
installing the GS970M/10
Switch on a wall.
BRKT-J24 brackets for
installing the GS970M/10PS,
GS970M/18, GS970M/18PS,
GS970M/28, and GS970M/
28PS Switches on a wall.

CentreCOM GS970M Series Quick Installation Guide 9
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.
Installing the Switch
Installing the Switch on a Desk or Table
The switch comes with four bumper feet installed on the bottom
panel, To install the switch on a desk or table, perform the following
procedure:
1. Verify that the table is secure and level. Verify that the location
has adequate ventilation.
2. Place the switch at the selected location.
3. Go to “Ports” on page 13.
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

10 CentreCOM GS970M Series Quick Installation Guide
Installing the Switch in an Equipment Rack
Review the following:
For installation instructions for the GS970M/10 Switch and the
RKMT-J05 equipment rack bracket kit, refer to the GS970M
Gigabit Ethernet Switch Series Installation Guide
For installation instructions for the GS970M/10PS Switch and the
RKMT-J15 rack mount shelf, refer to the RKMT-J15 Rack Mount
Installation Guide.
The following items are required to install the switch in an equipment
rack:
Two equipment rack brackets (Included with the GS970M/28 and
GS970M/28PS Switches. For other switches, refer to “Optional
Wall and Equipment Rack Brackets” on page 7.)
Six M4x8mm bracket screws included with the brackets
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 panel of the switch,
remove them with a flat-head screwdriver.
2. Attach the two brackets to the sides of the switch with the six
M4x8mm screws included with the brackets. The figure shows
the GS970M/28PS Switch.
3. Have another person hold the switch in the equipment rack while
you secure it using four standard equipment rack screws (not
provided).

CentreCOM GS970M Series Quick Installation Guide 11
4. Go to “Ports” on page 13.
Installing the Switch on a Wall
For installation instructions for the GS970M/10 Switch and the BRKT-
J23 wall brackets, refer to the GS970M Gigabit Ethernet Switch
Series Installation Guide.
Here are the tools and material for installing switches on a wall with
the optional BRKT-J24 brackets:
BRKT-J24 brackets and sixteen screws
Four wood or concrete wall screws (not provided)
Four wall anchors for concrete walls (not provided)
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)
Note: You can install the switch on a wall with the front panel facing
up, left, or right. Do not install it with the front panel facing down.
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

12 CentreCOM GS970M Series Quick Installation Guide
To install the switch on a wall, perform the following procedure:
1. If the bumper feet are attached to the bottom panel of the switch,
remove them with a flat-head screwdriver.
2. Install the four BRKT-J24 wall brackets to the sides of the unit
with sixteen M4x8mm screws. This figure shows the GS970M/
28PS 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 another person hold the switch on the wall at the selected
location for the device while you use a pencil or pen to mark the
wall with the locations of the four screw holes in the four brackets
(one screw per bracket).

CentreCOM GS970M Series Quick Installation Guide 13
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.
6. If the wall material requires pre-drilling the screw holes, use an
appropriate drill to drill the holes.
7. If the wall material requires anchors, insert the anchors into the
screw holes.
8. Have another person hold the switch on the wall while you
secure it with appropriate screws.
9. Go to “Ports” next.
Ports
Ethernet Copper Cable Specifications
The minimum cable requirements for the Ethernet copper ports are:
10/100Mbps ports: Standard TIA/EIA 568-B-compliant unshielded
Category 3 cabling.
1000Mbps ports: Standard TIA/EIA 568-A-compliant Category 5
or TIA/EIA 568-B-compliant unshielded Enhanced Category 5
(Cat 5e) 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.

14 CentreCOM GS970M Series Quick Installation Guide
Do not attach cables to ports of static or LACP port trunks until
after configuring the switch trunks. Otherwise, the ports will form
network loops that can adversely affect network performance.
PoE+ is enabled by default on the ports on PoE+ switches.
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 GS970M Series Quick Installation Guide 15
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 15.
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

16 CentreCOM GS970M Series Quick Installation Guide
3. Plug the other end of the power cord into a wall outlet.
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 20.
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.
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 - Non-PoE+ Switches
Solid Green The port is operating in full-duplex mode.
Speed/Activity LEDs Duplex Mode
or PoE+ LEDs

CentreCOM GS970M Series Quick Installation Guide 17
SFP Port LEDs
The SFP port LEDs are described here.
Solid Amber The port is operating in half-duplex mode at 10
or 100Mbps. (Half-duplex mode does not
apply to 1000Mbps.)
Flashing Amber The port is encountering collisions in half-
duplex mode.
PoE+ LEDs
Solid Green The port is delivering power to a powered
device.
Solid Amber The switch 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 providing its maximum power to
other devices. The maximum power budgets
are listed in “PoE+ Power Budgets” on page 4.
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.
LED for Bottom
SPF Port
LED for Top
SPF Port

18 CentreCOM GS970M Series Quick Installation Guide
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.
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.
SD LED
Solid green The switch has detected an SD card in the SD
slot.
Flashing green The switch is writing to or reading from the SD
card.
Flashing amber The switch encountered an error with the SD
card.
Off The SD slot is empty or the LEDs are off.
Fault
Flashing red
once
The switch’s fan is failing or has stopped.
Flashing red six
times
The switch is overheating and might shut
down.
Off The switch is operating normally.

CentreCOM GS970M Series Quick Installation Guide 19
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 6.
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 this procedure:
1. Connect the RJ-45 connector on the management cable 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 is 9600 bps (The range of the port is 1200 to
115200 bps.)
Data bits: 8
Parity: None
Stop bits: 1
Flow controller: None
Power
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.

20 CentreCOM GS970M Series Quick Installation Guide
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
GS970M 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 fan 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.
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.