DGS-3120-24TC, DGS-3120-24SC, DGS-3120-24SC-DC, DGS-3120-24PC, DGS-3120-48TC, and DGS-3120-48PC will be simply refered to as the Switch throughout this manual. All example screenshots are taken from the DGS-3120-24TC Switch. In some examples, where we refer to the Power over Ethernet examples, we’ll use the DGS-3120-24PC Switch.
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide 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 cautions and precautions that need to be reviewed and followed.
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide • 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). • Position system cables and power cables carefully;...
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide 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.
DGS-3120 Series also suitable as a backbone solution for SMBs. The advanced ACL and user authentication functions on the Switch extend the network security coverage from core to the edge. A unique D-Link Safeguard Engine protects the DGS-3120 Series from the threat of worms and viruses, thereby increasing overall reliability,...
• All the switches, except for the DGS-3120-24SC-DC, are equipt with one Redundant Power Supply (RPS) outlet for optional external RPS NOTE: For customers interested in D-View, D-Link Corporation's proprietary SNMP management software, go to http://dview.dlink.com.tw/ and download the software and manual.
Link/Act for each port on the Switch including SFP port LEDs. A separate table below describes LED indicators in more detail. The DGS-3120-24PC and DGS-3120-48PC switches are equipt with an additional PoE light, to indication whether the ports are running in Power over Ethernet mode.
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide LED Indicators The Switch front panel presents LED indicators for Power, Console, RPS, Master (stack control), S1, S2, Fan, SD, Stack ID and Link/Act indicators for all ports including the Gigabit Ethernet ports. The DGS-3120-24PC and DGS- 3120-48PC switches are equipt with an additional PoE light, to indication whether the ports are running in Power over Ethernet mode.
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10/100Mbps port is active. The LED remains dark when there is no link or activity. Only the DGS-3120-24PC and the DGS-3120-48PC switches are equipt with a PoE LED. When this light is on with a solid green light, it means that the corresponding ports are feeding power to the PoE devices plugged in.
Figure 1- 16. Rear panel view of the DGS-3120-24PC Figure 1- 17. Rear panel view of the DGS-3120-48TC Figure 1- 18. Rear panel view of the DGS-3120-48PC The AC power connector is a standard three-pronged connector that supports the power cord. Plug-in the female connector of the provided power cord into this socket, and the male side of the cord into a power outlet.
Figure 1- 19. Identical side panels of the DGS-3120-24TC, DGS-3120-24SC, and DGS-3120-24SC-DC Figure 1- 20. Identical side panels of the DGS-3120-24PC Figure 1- 21. Identical side panels of the DGS-3120-48TC Figure 1- 22. Identical side panels of the DGS-3120-48PC...
• One CD kit for Web UI Reference Guide, CLI Reference Guide, and D-View module If any item is missing or damaged, please contact your local D-Link reseller for replacement. Installation Guidelines Please follow these guidelines for setting up the Switch: •...
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Installing the Switch without a Rack First, attach the rubber feet included with the Switch if installing on a desktop or shelf. Attach these cushioning feet on the bottom at each corner of the device.
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Mounting the Switch in a Standard 19" Rack Figure 2- 3. Installing the Switch in a rack Power On (AC Power) 1. Plug one end of the AC power cord into the power connector of the Switch and the other end into the local power source outlet.
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Connecting DC Power to the DGS-3120-24SC-DC Follow the instructions below to connect the DC power supply of the DGS-3120-24SC-DC to the DC power source. Figure 2- 4. Close-up view of Power Receptacle 1.
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® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Figure 2- 5. Inserting fiber-optic transceivers into the Switch...
DPS-200. CAUTION: DO NOT use the DGS-3120-48TC switch with any redundant power system other than the DPS-500 and the DPS-500DC. CAUTION: DO NOT use the DGS-3120-24PC and the DGS-3120-48PC switch with any redundant power system other than the DPS-700.
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide External Redundant Power System The DPS-200 and DPS-500 are redundant power supply units designed to conform to the voltage requirements of the switches being supported. The DPS-200 and DPS-500 can both be installed into a DPS-900, or DPS-800 rack mount unit.
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® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide NOTE: See the RPS Quick Installation Guide for more information. Figure 2- 8. Rear view of the DPS-700 connected to a DGS-3120-24PC CAUTION: Do not connect the DPS-700 to the DGS-3120-24PC/48PC by using the 14-pin DC power cable.
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide DPS-800 The DPS-800 is a standard-size rack mount (1 standard unit in height) designed to hold up to two DPS-200 or DPS- 500 redundant power supplies. Figure 2- 9. Installing the DPS-200 or DPS-500 in the DPS-800 The RPS can be mounted in a standard 19"...
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide DPS-900 The DPS-900 is a standard-size rack mount (5 standard units in height) designed to hold up to eight DPS-200 or DPS- 500 redundant power supplies. Figure 2- 11. Inserting the DPS-200 or DPS-500 into the DPS-900 The RPS can be mounted in a standard 19"...
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® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide 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.
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Chapter 3 Connecting the Switch Switch to End Node Switch to Switch Connecting To Network Backbone or Server NOTE: All high-performance N-Way Ethernet ports can support both MDI-II and MDI-X connections. Switch to End Node End nodes include PCs outfitted with a 10, 100 or 1000 Mbps RJ-45 Ethernet Network Interface Card (NIC) and routers.
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Switch to Switch There is a great deal of flexibility on how connections are made using the appropriate cabling. • Connect a 10BASE-T switch port to the Switch via a twisted-pair Category 3, 4 or 5 UTP/STP cable. •...
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Connecting to Network Backbone or Server The combo SFP ports and the 1000BASE-T ports are ideal for uplinking to a network backbone, server or server farm. The copper ports operate at a speed of 1000, 100 or 10Mbps in full or half duplex mode. The fiber-optic ports can operate at both 100Mbps and 1000Mbps in full duplex mode.
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Chapter 4 Introduction to Switch Management Management Options Connecting the Console Port (RS-232 DCE/RJ-45) First Time Connecting to the Switch Password Protection SNMP Settings IP Address Assignment Management Options This system may be managed out-of-band through the console port on the front panel or in-band using Telnet.
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® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide • Under Properties, select VT100 for Emulation mode. • Select Terminal keys for Function, Arrow and Ctrl keys. Make sure to use Terminal keys (not Windows keys) are selected.
DGS-3120-24TC Gigabit Ethernet Switch Command Line Interface Firmware: Build 2.50.015 Copyright(C) 2012 D-Link Corporation. All rights reserved. UserName: Figure 4- 2. Initial screen, first time connecting to the Switch Press Enter in both the Username and Password fields. Then access will be given to enter commands after the command prompt DGS-3120-24TC:admin# There is no initial username or password.
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide IP Address Assignment An IP address must be assigned to each switch, which is used for communication with an SNMP network manager or other TCP/IP application (for example BOOTP, TFTP). The Switch's default IP address is 10.90.90.90. The user may change the default Switch IP address to meet the specification of your networking address scheme.
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Traps Traps are messages that alert network personnel of events that occur on the Switch. The events can be as serious as a reboot (someone accidentally turned OFF the Switch), or less serious like a port status change. The Switch generates traps and sends them to the trap recipient (or network manager).
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Chapter 5 Web-based Switch Configuration Introduction Logging onto the Web Manager Web-based User Interface Introduction All software functions of the Switch can be managed, configured, and monitored via the embedded Web-based (HTML) interface.
Select the menu or window to display. Open folders and click the hyperlinked menu buttons and Area 1 subfolders contained within them to display menus. Click the D-Link logo to go to the D-Link website. Presents a graphical near real-time image of the front panel of the Switch. This area displays the Switch's ports, console and management port, showing port activity.
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® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide NOTE: Be sure to configure the user name and password in the User Accounts window before connecting the Switch to the greater network.
6. Support inter stacking trunking and mirroring. 7. Cannot stack EI and SI devices together. Virtual Stacking / 1. Support D-Link Single IP Management v1.6 Clustering 2. Manage up to 32 devices in a virtual stack with a single IP address.
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® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide - Link/Act/Speed Mode - PoE Mode Green Solid Light A LED Mode Select Button to switch Link/Act/Speed Mode Solid Light A LED Mode Select Button to switch PoE Mode LED Per Link/Act/Speed...
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Port Functions Feature Detailed Description 24/48 x 10/100/1000Base-T ports for the DGS-3120-24TC/48TC 8 x 10/100/1000Base-T ports for the DGS-3120-24SC/24SC-DC 24/48 x 10/100/1000Base-T PoE ports for the DGS-3120-24PC/48PC Compliant to following standards: IEEE 802.3 compliance IEEE 802.3u compliance...
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Appendix B – Cables and Connectors Ethernet Cable When connecting the Switch to another switch, a bridge or hub, a normal cable is necessary. Please review these products for matching cable pin assignment.
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Console Cable When connecting the Switch a PC, a Console cable is necessary. The following diagrams and tables show the standard Console-to-DJ-45 receptacle/connector and their pin assignments. Figure B- 2.
® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Redundant Power Supply (RPS) Cable When connecting the Switch to a Redundant Power Supply, an RPS cable is necessary. Please review these products for matching cable pin assignment.The following diagrams and tables show the standard RPS receptacle/connector and their pin assignments.
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® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide 22-pin DC power cable Figure B- 4. Redundant Power Supply (RPS) 22-pin DC Power Cable RPS 22-pin DC Power Cable Pin Assignments Device DPS-700 -54Vrtn -54Vrtn -54V -54V +12V +12V...
® xStack DGS-3120 Series Managed Switch Hardware Installation Guide Appendix C – Module Specs and Cable Lengths Use the following table to as a guide for the module specs and maximum cable lengths. Standard Media Type Maximum Distance Mini-GBIC 1000BASE-LX, Single-mode fiber module 10km 1000BASE-SX, Multi-mode fiber module 550m / 2km...