D-Link DGS-3620-28SC-EI Manual

Information in this document is subject to change without notice. Reproduction in any manner whatsoever, without the written permission of D-Link
Corporation, is strictly forbidden.
Trademarks used in this text: D-Link and the D-LINK logo are trademarks of D-Link Corporation; Microsoft and Windows are registered trademarks
of Microsoft Corporation.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. D-
Link Corporation disclaims any proprietary interest in trademarks and trade names other than its own.
© 2011 D-Link Corporation. All rights reserved.
February 2011 P/N 651GS3620025G
FCC Warning
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 when the
equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with this manual, may cause harmful interference to
radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in
which case the user will be required to correct the interference at his own expense.
CE Mark Warning
This is a Class A product. In a domestic environment, this product may cause radio interference in which case the
user may be required to take adequate measures.
Warnung!
Dies ist ein Produkt der Klasse A. Im Wohnbereich kann dieses Produkt Funkstoerungen verursachen. In diesem Fall
kann vom Benutzer verlangt werden, angemessene Massnahmen zu ergreifen.
Precaución!
Este es un producto de Clase A. En un entorno doméstico, puede causar interferencias de radio, en cuyo case, puede
requerirse al usuario para que adopte las medidas adecuadas.
Attention!
Ceci est un produit de classe A. Dans un environnement domestique, ce produit pourrait causer des interférences
radio, auquel cas l`utilisateur devrait prendre les mesures adéquates.
Attenzione!
Il presente prodotto appartiene alla classe A. Se utilizzato in ambiente domestico il prodotto può causare interferenze
radio, nel cui caso è possibile che l`utente debba assumere provvedimenti adeguati.
VCCI Warning
この装置は、クラス A情報技術装置です。この装置を家庭環境で使用すると電波妨害を引き起こすことがあります。
この場合には使用者が適切な対策を講ずるよう要求されることがあります。 VCCI-A

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
iii
Table of Contents
Intended Readers...........................................................................................................................................................v
Typographical Conventions............................................................................................................................................v
Notes, Notices, and Cautions.........................................................................................................................................v
Safety Instructions......................................................................................................................................................... vi
Safety Cautions........................................................................................................................................................... vi
General Precautions for Rack-Mountable Products......................................................................................................vii
Protecting Against Electrostatic Discharge ..................................................................................................................viii
Chapter 1 Introduction................................................................................................................................................9
Switch Description..........................................................................................................................................................9
Features........................................................................................................................................................................10
Ports .............................................................................................................................................................................11
Front-Panel Components...........................................................................................................................................12
LED Panel Indicators Part II.......................................................................................................................................17
Rear Panel Description..............................................................................................................................................20
Side Panel Description...............................................................................................................................................22
Chapter 2 Installation................................................................................................................................................23
Package Contents ........................................................................................................................................................23
Installation Guidelines ..................................................................................................................................................23
Installing the Switch without a Rack ..........................................................................................................................24
Installing the Switch in a rack.....................................................................................................................................24
Mounting the Switch in a Standard 19" Rack ............................................................................................................25
Power On......................................................................................................................................................................25
Power Failure.............................................................................................................................................................25
Installing SFP and SFP+ Ports.....................................................................................................................................26
Connecting to a Redundant Power Supply ..................................................................................................................28
External Redundant Power System .............................................................................................................................29
DPS-900.....................................................................................................................................................................29
DPS-800.....................................................................................................................................................................30
Chapter 3 Connecting the Switch............................................................................................................................32
Switch to End Node......................................................................................................................................................32
Switch to Switch ...........................................................................................................................................................32
Connect to a Network Backbone or Server..................................................................................................................33
Chapter 4 Introduction to Switch Management .....................................................................................................34
Management Options ...................................................................................................................................................34
Connecting the Console Port........................................................................................................................................34
Connecting to the Switch for the first time....................................................................................................................36
Connecting to the Management Port............................................................................................................................36
Password Protection.....................................................................................................................................................37
Assigning IP Addresses................................................................................................................................................37
SNMP Settings .............................................................................................................................................................37
Traps..........................................................................................................................................................................38
Management Information Base (MIB)........................................................................................................................38
Chapter 5 Web-based Switch Configuration..........................................................................................................39
Introduction...................................................................................................................................................................39
Logging onto the Web Manager...................................................................................................................................39
Web-based User Interface............................................................................................................................................40
Areas of the User Interface........................................................................................................................................40
Web Pages...................................................................................................................................................................41

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
iv
Appendix Section..........................................................................................................................................................42
Appendix A –Technical Specifications ........................................................................................................................42
General ......................................................................................................................................................................42
Physical and Environmental.......................................................................................................................................42
Performance...............................................................................................................................................................43
Port Functions............................................................................................................................................................44
Appendix B –Cables and Connectors .........................................................................................................................45
Ethernet Cable...........................................................................................................................................................45
Console Cable ...........................................................................................................................................................46
Redundant Power Supply (RPS) Cable.....................................................................................................................47
Warranties & Technical Support................................................................................................................................. 

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
v
Intended Readers
Typographical Conventions
Notes, Notices, and Cautions
Safety Instructions
The DGS-3620 Series Hardware Installation Guide contains information for the setup and management of the DGS-
3620 Series Switches. This manual is intended for network managers familiar with network management concepts
and terminology.
Typographical Conventions
Convention
Description
[ ]
In a command line, square brackets indicate an optional entry. For example: [copy
filename] means that optionally you can type copy followed by the name of the file. Do
not type the brackets.
Bold font
Indicates a button, a toolbar icon, menu, or menu item. For example: Open the File
menu and choose Cancel. Used for emphasis. May also indicate system messages or
prompts appearing on screen. For example: You have mail. Bold font is also used to
represent filenames, program names and commands. For example: use the copy
command.
Boldface Typewriter
Font
Indicates commands and responses to prompts that must be typed exactly as printed in
the manual.
Initial capital letter
Indicates a window name. Names of keys on the keyboard have initial capitals. For
example: Click Enter.
Italics
Indicates a window name or a field. Also can indicate a variables or parameter that is
replaced with an appropriate word or string. For example: type filename means that the
actual filename should be typed instead of the word shown in italic.
Menu Name > Menu
Option
Menu Name > Menu Option Indicates the menu structure. Device > Port > Port
Properties means the Port Properties menu option under the Port menu option that is
located under the Device menu.
Table 1. Typographical Conventions
Notes, Notices, and Cautions
A NOTE indicates important information that helps make better use of the device.
A NOTICE indicates either potential damage to hardware or loss of data and shows you how to avoid the
problem.
A CAUTION indicates a potential for property damage, personal injury, or death.

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
vi
Safety Instructions
Use the following safety guidelines to ensure your own personal safety and to help protect your system from potential
damage. Throughout this safety section, the caution icon ( ) is used to indicate precautions that need to be
reviewed and followed.
Safety Precautions
To reduce the risk of bodily injury, electrical shock, fire, and damage to the equipment observe the following
precautions:
Observe and follow service markings.
oDo not service any product except as explained in the system documentation.
oOpening or removing covers that are marked with the triangular symbol with a lightning bolt may
expose the user to electrical shock.
oOnly a trained service technician should service components inside these compartments.
If any of the following conditions occur, unplug the product from the electrical outlet and replace the part or
contact your trained service provider:
oDamage to the power cable, extension cable, or plug.
oAn object has fallen into the product.
oThe product has been exposed to water.
oThe product has been dropped or damaged.
oThe product does not operate correctly when the operating instructions are correctly followed.
Keep your system away from radiators and heat sources. Also, do not block cooling vents.
Do not spill food or liquids on system components, and never operate the product in a wet environment. If the
system gets wet, see the appropriate section in the troubleshooting guide or contact your trained service
provider.
Do not push any objects into the openings of the system. Doing so can cause fire or electric shock by shorting
out interior components.
Use the product only with approved equipment.
Allow the product to cool before removing covers or touching internal components.
Operate the product only from the type of external power source indicated on the electrical ratings label. If
unsure of the type of power source required, consult your service provider or local power company.
To help avoid damaging the system, be sure the voltage selection switch (if provided) on the power supply is
set to match the power available at the Switch’s location:
o115 volts (V)/60 hertz (Hz) in most of North and South America and some Far Eastern countries such
as South Korea and Taiwan
o100 V/50 Hz in eastern Japan and 100 V/60 Hz in western Japan
o230 V/50 Hz in most of Europe, the Middle East, and the Far East
Also, be sure that attached devices are electrically rated to operate with the power available in your location.
Use only approved power cable(s). If you have not been provided with a power cable for your system or for any
AC-powered option intended for your system, purchase a power cable that is approved for use in your country.
The power cable must be rated for the product and for the voltage and current marked on the product's
electrical ratings label. The voltage and current rating of the cable should be greater than the ratings marked
on the product.
To help prevent electric shock, plug the system and peripheral power cables into properly grounded electrical
outlets. These cables are equipped with three-prong plugs to help ensure proper grounding. Do not use
adapter plugs or remove the grounding prong from a cable. If using an extension cable is necessary, use a 3-
wire cable with properly grounded plugs.
Observe extension cable and power strip ratings. Make sure that the total ampere rating of all products
plugged into the extension cable or power strip does not exceed 80 percent of the ampere ratings limit for the
extension cable or power strip.
To help protect the system from sudden, transient increases and decreases in electrical power, use a surge
suppressor, line conditioner, or uninterruptible power supply (UPS).

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
vii
Position system cables and power cables carefully; route cables so that they cannot be stepped on or tripped
over. Be sure that nothing rests on any cables.
Do not modify power cables or plugs. Consult a licensed electrician or your power company for site
modifications. Always follow your local/national wiring rules.
When connecting or disconnecting power to hot-pluggable power supplies, if offered with your system, observe
the following guidelines:
oInstall the power supply before connecting the power cable to the power supply.
oUnplug the power cable before removing the power supply.
oIf the system has multiple sources of power, disconnect power from the system by unplugging all
power cables from the power supplies.
Move products with care; ensure that all casters and/or stabilizers are firmly connected to the system. Avoid
sudden stops and uneven surfaces.
General Precautions for Rack-Mountable Products
Observe the following precautions for rack stability and safety. Also, refer to the rack installation documentation
accompanying the system and the rack for specific caution statements and procedures.
Systems are considered to be components in a rack. Thus, "component" refers to any system as well as to
various peripherals or supporting hardware.
CAUTION: Installing systems in a rack without the front and side stabilizers installed could cause the rack
to tip over, potentially resulting in bodily injury under certain circumstances. Therefore, always install the
stabilizers before installing components in the rack. After installing system/components in a rack, never
pull more than one component out of the rack on its slide assemblies at one time. The weight of more than
one extended component could cause the rack to tip over and may result in serious injury.
Before working on the rack, make sure that the stabilizers are secured to the rack, extended to the floor, and
that the full weight of the rack rests on the floor. Install front and side stabilizers on a single rack or front
stabilizers for joined multiple racks before working on the rack.
Always load the rack from the bottom up, and load the heaviest item in the rack first.
Make sure that the rack is level and stable before extending a component from the rack.
Use caution when pressing the component rail release latches and sliding a component into or out of a rack;
the slide rails can pinch your fingers.
After a component is inserted into the rack, carefully extend the rail into a locking position, and then slide the
component into the rack.
Do not overload the AC supply branch circuit that provides power to the rack. The total rack load should not
exceed 80 percent of the branch circuit rating.
Ensure that proper airflow is provided to components in the rack.
Do not step on or stand on any component when servicing other components in a rack.
NOTE: A qualified electrician must perform all connections to DC power and to safety grounds. All
electrical wiring must comply with applicable local or national codes and practices.
CAUTION: Never defeat the ground conductor or operate the equipment in the absence of a suitably
installed ground conductor. Contact the appropriate electrical inspection authority or an electrician if
uncertain that suitable grounding is available.
CAUTION: The system chassis must be positively grounded to the rack cabinet frame. Do not attempt to
connect power to the system until grounding cables are connected. Completed power and safety ground
wiring must be inspected by a qualified electrical inspector. An energy hazard will exist if the safety
ground cable is omitted or disconnected.

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
viii
Protecting Against Electrostatic Discharge
Static electricity can harm delicate components inside the system. To prevent static damage, discharge static
electricity from your body before touching any of the electronic components, such as the microprocessor. This can be
done by periodically touching an unpainted metal surface on the chassis.
The following steps can also be taken prevent damage from electrostatic discharge (ESD):
1. When unpacking a static-sensitive component from its shipping carton, do not remove the component from
the antistatic packing material until ready to install the component in the system. Just before unwrapping the
antistatic packaging, be sure to discharge static electricity from your body.
2. When transporting a sensitive component, first place it in an antistatic container or packaging.
3. Handle all sensitive components in a static-safe area. If possible, use antistatic floor pads, workbench pads
and an antistatic grounding strap.

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
9
Chapter 1 Introduction
Switch Description
Features
Ports
Front-Panel Components
LED Indicators
Rear Panel Description
Side Panel Description
This manual describes the installation, maintenance, and configuration of the DGS-3620 series of switches.
Switch Description
D-Link's DGS-3620 Series is a high performance member of the D-Link xStack®family. Ranging from 10/100/1000
Mbps edge switches to core gigabit switches, the xStack®switch family has been future-proof designed to provide
fault tolerance, flexibility, port density, robust security and maximum throughput with a user-friendly management
interface for the networking professional.
The Switch has a combination of 1000BASE-T ports and SFP ports that may be used in uplinking various network
devices to the Switch, including PCs, hubs and other switches to provide a gigabit Ethernet uplink in full-duplex mode.
The SFP (Small Form Factor Portable) combo ports are used with fiber-optical transceiver cabling in order to uplink
various other networking devices for a gigabit link that may span great distances. These SFP ports support full-duplex
transmissions and can be used with the following transceivers:
- DEM-310GT (1000Base-LX, Single-mode, 10km)
- DEM-311GT (1000ase-SX, Mutli-mode, 550m)
- DEM-312GT2 (1000Base-SX, Multi-mode, 2km)
- DEM-314GT (1000BASE-LHX, Single-mode, 50km)
- DEM-315GT (1000BASE-ZX, Single-mode, 80km)
- DGS-712 (1000BASE-TX)
- DEM-330T/R (1000BASE-BX, WDM transceiver, Single-Mode 10km)
- DEM-331T/R (1000BASE-BX, WDM transceiver, Single-Mode 40km)
- DEM-210 (100Base-FX, Multi-mode, 2km,)
- DEM-211 (100Base-FX, Single-mode, 15km,
- DEM-220T (100Base-BX, Wavelength Tx:1550nm, Rx:1310nm, Single-mode, 20km)
- DEM-220R (100Base-BX, Wavelength Tx:1310nm, Rx:1550nm, Single-mode, 20km)
All D-Link DGS-3620 Series switches come with SFP+ support. SFP+ supports:
- DEM-431XT:10GBASE-SR SFP+ Transceiver 80m: OM1 & OM2 MMF 300m: OM3 MMF
- DEM-431XT-DD:10GBASE-SR SFP+ Transceiver 80m: OM1 & OM2 MMF 300m: OM3 MMF
- DEM-432XT:10GBASE-LR SFP+ Transceiver 10km
- DEM-432XT-DD:10GBASE-LR SFP+ Transceiver 10km
- DEM-433XT:10GBASE-ER SFP+ Transceiver 40km
- DEM-433XT-DD:10GBASE-ER SFP+ Transceiver 40km
- DEM-434XT:10GBASE-ZR SFP+ Transceiver 80km
- DEM-435XT:10GBASE-LRM SFP+ Transceiver 220m: OM1 & OM2 MMF, 300m: OM3 MMF
- DEM-435XT-DD:10GBASE-LRM SFP+ Transceiver 220m: OM1 & OM2 MMF, 300m: OM3 MMF
- DEM-436XT-BXU:10GBASE-LR BiDi SFP+ Transceiver 20km TX: 1270nm, RX: 1330nm
- DEM-436XT-BXD:10GBASE-LR BiDi SFP+ Transceiver 20km TX: 1330nm, RX: 1270nm
- DEM-310GT (1000Base-LX, Single-mode, 10km)
- DEM-311GT (1000ase-SX, Mutli-mode, 550m)
- DEM-312GT2 (1000Base-SX, Multi-mode, 2km)
- DEM-314GT (1000BASE-LHX, Single-mode, 50km)
- DEM-315GT (1000BASE-ZX, Single-mode, 80km)
- DEM-330T/R (1000BASE-BX, WDM transceiver, Single-Mode 10km)
- DEM-331T/R (1000BASE-BX, WDM transceiver, Single-Mode 40km)
D-Link provides the following direct attached cables for stacking or short distance connections:
- DEM-CB100S-10-GbE SFP+1m Direct Attach Cable
- DEM-CB300S-10-GbE SFP+3m Direct Attach Cable
- DEM-CB700S-10-GbE SFP+7m Direct Attach Cable

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
10
Features
The list of features below highlights the significant features of the Switch.
IEEE 802.3 compliant
IEEE 802.3z compliant
IEEE 802.3x Flow Control in full-duplex compliant
IEEE 802.3u compliant
IEEE 802.3ab compliant
IEEE 802.1p Priority Queues
IEEE 802.3ad Link Aggregation Control Protocol for up to 32 groups
IEEE 802.1X Port-based and Host-based Access Control
IEEE 802.1Q VLAN
IEEE 802.1D Spanning Tree, IEEE 802.1w Rapid Spanning Tree and IEEE 802.1s Multiple Spanning Tree
support
Support jumbo frame to 13K Bytes
Access Control List (ACL) support
ISM VLAN support
DHCP local relay support
Single IP Management support
Access Authentication Control utilizing TACACS, XTACACS, TACACS+, and RADIUS protocols
Supports Compound Authentication
Power saving mode support
Broadcast Ping support
Simple Network Time Protocol support
System Log support
Maximum packet forwarding rate, 130.95Mpps
High performance switching engine performs forwarding and filtering at full wire speed up 176Gbps
Full- and half-duplex for all ports. Full duplex allows the switch port to simultaneously transmit and receive
data. It only works with connections to full-duplex-capable end stations and switches. Connections to a hub
must take place at half-duplex.
Support unicast/multicast/broadcast storm control
Loopback Detection (LBD) v4.03 Trap support
Non-blocking store and forward switching scheme capability to support rate adaptation and protocol conversion
Supports Egress/Ingress bandwidth control
Efficient self-learning and address recognition mechanism enables forwarding rate at wire speed
Address table: Supports up to 32K
Supports a packet buffer of up to 2Mbytes on-chip
Port Trunking with flexible load distribution
Authentication Server failover
Private VLAN
IGMP Snooping support
MLD Snooping support (MLD v1 and v2)
IP-MAC-Port Binding (IMPB) v3.9 support
SNMP support
Secure Sockets Layer (SSL) and Secure Shell (SSH) support
System Severity control
Port Mirroring support
MIB support for:

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
11
oRFC 1213 MIB II
oRFC 4188 Bridge
oRFC 1907 SNMPv2
oRFC 2819 RMON
oRFC 2665 Ether-like MIB
oRFC 2863 IF MIB
oRFC 2618 RADIUS Authentication Client MIB
oRFC 2620 RADIUS Accounting Client MIB
oPrivate MIB
oRFC 4363 for 802.1p MIB
oIEEE 802.1X MIB
Provides parallel LED display for port status such as link/act, speed, etc.
Web-based GUI compatible with Internet Explorer 5.5 or later, Netscape 8.0 or later, and Firefox 2.0 or later
Ports
The following table lists the ports that are present within each switch.
DGS-3620-
28TC
DGS-3620-
28TC-DC
DGS-3620-
28SC
DGS-3620-
28SC-DC
DGS-3620-
28PC
DGS-3620-
52T
DGS-3620-
52P
20 Port
10/100/1000Mbps
4 Combo
10/100/1000
Base-T/SFP
4-Port 10GE
SFP+
20 Port
10/100/1000Mbps
4 Combo
10/100/1000
Base-T/SFP
4-Port 10GE
SFP+ with DC
power
20 Port SFP
4 Combo
10/100/1000
Base-T/SFP
4-Port 10GE
SFP+
20 Port SFP
4 Combo
10/100/1000
Base-T/SFP
4-Port 10GE
SFP+ with DC
power
20 Port
10/100/1000Mbps
with PoE+.
4 Combo
10/100/1000
Base-T/SFP
4-Port 10GE
SFP+
48 Port
10/100/1000Mbps
4-Port 10GE
SFP+
48 Port
10/100/1000Mbps
with PoE+
4-Port 10GE
SFP+
The following table lists the features and compatibility for each type of port present in the xStack® DGS-3620 Series.
10/100/1000 Base-T
SFP Port
SFP+ Port
- IEEE 802.3 compliance
- IEEE 802.3u compliance
- Support Full-Duplex operations
- IEEE 802.3x Flow Control
support for Full-Duplex mode
- IEEE 802.3ab compliance
- IEEE 802.3af compliance (DGS-
3620-28PC & DGS-3620-52P
only)
- IEEE 802.3at compliance (DGS-
3620-28PC & DGS-3620-52P
only)
- IEEE 802.3z compliance
- IEEE 802.3u compliance
- IEEE 802.3ae compliance
- IEEE 802.3aq compliance
- IEEE 802.3z compliance

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
12
Front-Panel Components
The front panel of the DGS-3620 Series consists of the Management and Console port, LED indicators for Power,
Console, and stacking ID LED’s. A separate table below describes LED indicators in more detail.
DGS-3620-28TC
Figure 1–1 Front panel view of a DGS-3620-28TCSwitch
Twenty 10/100/1000BASE-T ports
Four Combo 10/100/1000 Base-T/SFP
Four SFP+ ports
SD Card slot
2 Digital in and 1 Digital out Alarm connector
LEDs for Power, Console, RPS, SD card slot, MGMT and Link/Act/Speed for each port
Console and Management Port
DGS-3620-28TC-DC
Figure 1–2 Front panel view of a DGS-3620-28TC-DC Switch
Twenty 10/100/1000BASE-T ports
Four Combo 10/100/1000 Base-T/SFP
Four SFP+ ports
SD Card slot
2 Digital in and 1 Digital out Alarm connector
LEDs for Power, Console, MGMT, SD card slot and Link/Act/Speed for each port
Console and Management Port
DGS-3620-28SC
Figure 1–3 Front panel view of a DGS-3620-28SC Switch
Twenty SFP ports
Four combo 10/100/1000BASE-T/SFP
Four SFP+ ports

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
13
SD Card slot
2 Digital in and 1 Digital out Alarm connector
LEDs for Power, Console, RPS, SD card slot, MGMT, and Link/Act/Speed for each port
Console and Management Port
DGS-3620-28SC-DC
Figure 1–4 Front panel view of a DGS-3620-28SC-DC Switch
Twenty SFP ports
Four combo 10/100/1000BASE-T/SFP
Four SFP+ ports
SD Card slot
2 Digital in and 1 Digital out Alarm connector
LEDs for Power, Console,SD Card slot, MGMT and Link/Act/Speed for each port
Console and Management Port
DGS-3620-28PC
Figure 1–5 Front panel view of a DGS-3620-28PC Switch
Twenty 10/100/1000 PoE+ Base-T
Four Combo 10/100/1000 Base-T/SFP
Four SFP+ ports
SD Card slot
2 Digital in and 1 Digital out Alarm connector
LEDs for Power, Console,RPS, SD Card slot, MGMT, PoE and Link/Act/Speed for each port
Console and Management Port
DGS-3620-52T
Figure 1–6 Front panel view of a DGS-3620-52T Switch
Forty-eight 10/100/1000 Base-T
Four SFP+ ports
LEDs for Power, Console,RPS, SD card slot, MGMT and Link/Act/Speed for each port
DGS-3620-52P

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
14
Figure 1–7 Front panel view of a DGS-3620-52P Switch
Forty-eight 10/100/1000 PoE+ Base-T
Four SFP+ ports
LEDs for Power, Console,RPS, SD card slot, PoE, MGMT and Link/Act/Speed for each port
NOTE: The alarm PIN’s 1,2 and 3 works under 60V while pins 4,5,6, and 7 works under 3V
CAUTION: The alarm port on the DGS-3620 Series is provided to trigger external events that may affect
the switch. These could be fan or temperature failures.
Connect the alarm input pins on the switch to the alarm output terminals on other devices.
Connect the alarm output pins on external devices to alarm input pins on the switch.

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
15
LED Indicators
The DGS-3620 Series front panel presents LED indicators for Power, Console, RPS, Master (stack control), Stack ID
and Link/Act indicators for all ports including the Gigabit Ethernet ports.
Location
LED Indicators
Color
Status
Description
Per
Device
Power
Green
Solid light
Power on
Light off
Power off
Console
Green
Solid light
Login via console
Blinking
POST is in progress
Light off
Logout via console
MGMT
Green
Solid Light
When there is a
secure connection or
link at Management
port. (10/100Mbps)
Blinking
When there is a
transmission (or
activity to
10/100Mbps
SD
Green
Solid light
Plug in
Blinking
Read/Write
Light off
No link
Red
Solid light
Read/Write failure
RPS
Green
Solid light
RPS in use
Light off
RPS off
Blinking
When the switch
detects that the RPS
cable is connected.
Link/Act/Speed
Green
Solid light
Each Port functions
like this when the LED
is in Link/Act/Speed
mode
PoE
Green
Solid Light
Each Port functions
like this when the LED
is in PoE mode
Stacking ID
Green
1-12, H or h
When the switches
are stacked in
sequence, the
stacking ID display
will show the
sequence of events. If
the display shows a
capital (H) the device
acts as a primary
master and if it is a
lower case (h) then
the device acts as a
backup master. The
numerical annotation
denotes the sequence
of switch by number.
LED Per
10/100/100
0 Mbps
Port
Link/Act
Green
Solid light
When there is a
secure connection (or
link) to 1000Mbps
Ethernet device at
any of the ports.
Blinking
When there is a
secure connection (or
link) to 1000Mbps
device at any of the

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
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ports.
Orange
Solid light
When there is a
secure connection (or
link) to 10/100Mbps
Ethernet device at
any of the ports.
Blinking
When there is a
secure connection (or
link) to 10/100Mbps
Ethernet device at
any of the ports.
Off
Light off
No link
PoE
Green
Solid light
Power
Orange
Solid lght
Error
Off
Light off
No Power
Per SFP
Port
Link/Act
Green
Solid light
When there is a
secure connection (or
link) to the 1000Mbps
Ethernet device at
any of the ports.
Blinking
When there is
reception or
transmission (i.e.
Activity--Act) of data
occurring at a
1000Mbps port.
Orange
Solid light
When there is a
secure connection (or
link) to 100Mbps
Ethernet device at
any of the ports.
Blinking
When there is
reception or
transmission (i.e.
Activity--Act) of data
occurring at a
100Mbps port.
Off
Light off
No Link
SFP+ Port
Link/Act
Green
Solid light
When there is a
secure connection (or
link) to 10G bps
Ethernet device at
any of the ports.
Blinking
When there is
reception or
transmission (i.e.
Activity--Act) of data
occurring at a 10G
bps port.
Orange
Solid light
When there is a
secure connection (or
link) to 1000Mbps
Ethernet device at
any of the ports.
Blinking
When there is
reception or
transmission (i.e.
Activity-Act) of data
occurring at a
1000Mbps port.
Off
Light off
Link down

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
17
LED Panel Indicators Part II
DGS-3620-28TC LED Panel = Power, Console, RPS, SD Card, Management
Figure 2-1 LED indicators for a DGS-3620-28TC Switch
DGS-3620-28TC-DC LED Panel = Power, Console, SD Card, Management
Figure 2-2 LED indicators for a DGS-3620-28TC-DC Switch
DGS-3620-28SC LED Panel = Power, Console, RPS, SD Card, Management
Figure 2-3 LED indicators for a DGS-3620-28SC Series Switch
DGS-3620-28SC-DC LED Panel = Power, Console, SD Card, Management

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
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Figure 2-4 LED indicators for a DGS-3620-28SC-DC Switch
DGS-3620-28PC LED Panel = Power, Console, RPS, SD Card, LINK/ACT/SPD, POE, Management
Figure 2-5 LED indicators for a DGS-3620-28PC Switch
DGS-3620-52T LED Panel = Power, Console, RPS, SD Card, Management
Figure 2-6 LED indicators for a DGS-3620-52T Switch
DGS-3620-52P LED Panel = Power, Console, RPS, SD Card, LINK/ACT/SPD, POE, Management

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
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Figure 2-7 LED indicators for a DGS-3620-52P Switch

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
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Rear Panel Description
The rear panel of the DGS-3620 Series Switches contains an AC/DC power connector the Redundant Power Supply
connector. Here are illustrations of a selection of devices.
DGS-3620-28TC
Figure 3-1 Rear panel view of a DGS-3620-28TC Switch
On the left side of the DGS-3620-28TC is a standard AC power connector. Use a standard power cord to connect it to
a wall socket. The DGS-3620-28TC automatically adjusts the power supply voltage range from 100 ~ 240 VAC at 50 ~
60 Hz. In the center of the DGS-3620-28TC is the Redundant Power Supply jack. Use this accessory as backup
power. When the internal power fails, the Redundant Power Supply (RPS) takes over power responsibilities similar to
a UPS system.
DGS-3620-28TC-DC
Figure 3-2 Rear panel view of a DGS-3620-28TC-DC Switch
NOTE: The DGS-3620-28TC does not support the Redundant Power Supply function even thought it has
the device on the back-panel.
DGS-3620-28SC
Figure 3-3 Rear panel view of a DGS-3620-28SC Switch
On the left side of the DGS-3620-28SC is a standard AC power connector. Use a standard power cord to connect it to
a wall socket. The DGS-3620-28SC automatically adjusts the power supply voltage range from 100 ~ 240 VAC at 50 ~
60 Hz. In the center of the DGS-3620-28SC is the Redundant Power Supply jack. Use this accessory as backup
power. When the internal power fails, the Redundant Power Supply (RPS) takes over power responsibilities similar to
a UPS system.
DGS-3620-28SC-DC
Figure 3-4 Rear panel view of a DGS-3620-28SC-DC Switch