Digisol DG-GS4824F User manual

Installation Guide
wwore.com
TM
DG-GS4824F
Layer 3 Gigabit SFP Managed Switch
Installation Guide
V1.0
2011-02-04
MUSTANG 4000 Managed Switch Series
As our product undergoes continuous development the specifications are subject to change without prior notice

I NSTALLATION G UIDE
DG-GS4824F GIGABIT ETHERNET SWITCH
Layer 3 Switch
with 22 1000BASE-X SFP Ports,
and 2 Combination Gigabit (RJ-45/SFP) Ports
DG-GS4824F
E022011-R01

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ABOUT THIS GUIDE
PURPOSE
This guide details the hardware features of the switch, including the physical and
performance-related characteristics, and how to install the switch.
AUDIENCE
The guide is intended for use by network administrators who are responsible for
installing and setting up network equipment; consequently, it assumes a basic
working knowledge of LANs (Local Area Networks).
CONVENTIONS
The following conventions are used throughout this guide to show information:
RELATED PUBLICATIONS
The following publication gives specific information on how to operate and use
the management functions of the switch:
The Management Guide
Also, as part of the switch’s software, there is an online web-based help that
describes all management related features.
N OTE : Emphasizes important information or calls your attention to
related features or instructions.
C AUTION : Alerts you to a potential hazard that could cause loss of data,
or damage the system or equipment.
W ARNING : Alerts you to a potential hazard that could cause personal
injury.

A BOUT T HIS G UIDE
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REVISION HISTORY
This section summarizes the changes in each revision of this guide.
FEB 2011 REVISION
This is the first revision of this guide.

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CONTENTS
ABOUT THIS GUIDE 5
CONTENTS 7
TABLES 9
FIGURES 11
1I
NTRODUCTION 13
Overview 13
Description of Hardware 16
2NETWORK PLANNING 21
Introduction to Switching 21
Application Examples 22
Application Notes 26
3INSTALLING THE SWITCH 27
Selecting a Site 27
Ethernet Cabling 28
Equipment Checklist 29
Mounting 30
Installing an Optional SFP Transceiver 32
Grounding the Switch 34
Connecting to a Power Source 35
Connecting to the Console Port 36
4MAKING NETWORK CONNECTIONS 39
Connecting Network Devices 39
Twisted-Pair Devices 39

C ONTENTS
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Fiber Optic SFP Devices 41
Connectivity Rules 43
Cable Labeling and Connection Records 45
ATROUBLESHOOTING 47
Diagnosing Switch Indicators 47
Power and Cooling Problems 48
Installation 48
In-Band Access 48
BCABLES 49
Twisted-Pair Cable and Pin Assignments 49
Fiber Standards 53
CSPECIFICATIONS 55
Physical Characteristics 55
Switch Features 57
Management Features 57
Standards 58
GLOSSARY 59
INDEX 65

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TABLES
Table 1: 1000 Mbps SFP Port Status LEDs (1~24) 18
Table 2: 1000 Mbps Shared RJ-45 Ports Status LEDs (1~2) 19
Table 3: System Status LEDs 19
Table 4: Serial Converter Wiring 36
Table 5: Maximum 1000BASE-T Gigabit Ethernet Cable Length 43
Table 6: Maximum 1000BASE-SX Gigabit Ethernet Cable Lengths 43
Table 7: Maximum 1000BASE-LX Gigabit Ethernet Cable Length 44
Table 8: Maximum 1000BASE-LH Gigabit Ethernet Cable Length 44
Table 9: Maximum 1000BASE-LHX Gigabit Ethernet Cable Length 44
Table 10: Maximum 1000BASE-ZX Gigabit Ethernet Cable Length 44
Table 11: Maximum 1000BASE-BX20 Gigabit Ethernet Cable Length 44
Table 12: Maximum 1000BASE-BX10 Gigabit Ethernet Cable Length 44
Table 13: Maximum Fast Ethernet Cable Lengths 45
Table 14: Maximum Ethernet Cable Length 45
Table 15: Troubleshooting Chart 47
Table 16: 10/100BASE-TX MDI and MDI-X Port Pinouts 50
Table 17: 1000BASE-T MDI and MDI-X Port Pinouts 52
Table 18: Fiber Standards 53

T ABLES
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FIGURES
Figure 1: Front Panel 14
Figure 2: Rear Panel 14
Figure 3: Side Panel 15
Figure 4: Port LEDs 18
Figure 5: Power Supply Socket 20
Figure 6: Network Aggregation Plan 22
Figure 7: Remote Connections with Fiber Cable 23
Figure 8: Making VLAN Connections 24
Figure 9: IP Routing for Unicast Traffic 25
Figure 10: RJ-45 Connections 28
Figure 11: Attaching the Brackets 31
Figure 12: Installing the Switch in a Rack 31
Figure 13: Inserting an SFP Transceiver into a Slot 33
Figure 14: Grounding Point 34
Figure 15: Power Socket 35
Figure 16: Console Port Connection 36
Figure 17: Making Twisted-Pair Connections 40
Figure 18: Making Fiber Port Connections 42
Figure 19: RJ-45 Connector Pin Numbers 49
Figure 20: Straight-through Wiring 51
Figure 21: Crossover Wiring 51

F IGURES
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– 13 –
1INTRODUCTION
OVERVIEW
The DG-GS4824F is an intelligent Layer 3 switch with 22 1000BASE-X SFP
transceiver slots, two Gigabit combination ports that are comprised of two
RJ-45 ports and two SFP transceiver slots.
The switches include an SNMP-based management agent embedded on the main
board, which supports both in-band and out-of-band access for managing the
stack.
This switch can easily tame your network with full support for Spanning Tree
Protocol, Multicast Switching, Virtual LANs, and IP routing. It brings order to
poorly performing networks by segregating them into separate broadcast
domains with IEEE 802.1Q compliant VLANs, empowers multimedia applications
with multicast switching and CoS services, and eliminates conventional router
bottlenecks.
This switch can be used to augment or completely replace slow legacy routers,
off-loading local IP traffic to release valuable resources for non-IP routing or
WAN access. With wire-speed performance for Layer 2 and Layer 3, this switch
can significantly improve the throughput between IP segments or VLANs.

C HAPTER 1 | Introduction
Overview
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Figure 1: Front Panel
Figure 2: Rear Panel
Port Status Indicators
1000BASE-T/SFP
Combination Ports
System Indicators
RJ-45 Console Port
1000BASE-X SFP Ports
Power Socket
Grounding Point

C HAPTER 1 | Introduction
Overview
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Figure 3: Side Panel
SWITCH ARCHITECTURE
This Gigabit Ethernet switch employs a wire-speed, non-blocking switching
fabric. This permits simultaneous wire-speed transport of multiple packets at low
latency on all ports. The switch also features full-duplex capability on all ports,
which effectively doubles the bandwidth of each connection.
For communications between different VLANs, the switch uses IP routing. For
communications within the same VLAN, it uses store-and-forward switching to
ensure maximum data integrity. With store-and-forward switching, the entire
packet must be received into a buffer and checked for validity before being
forwarded. This prevents errors from being propagated throughout the network.
Cooling Fans

C HAPTER 1 | Introduction
Description of Hardware
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NETWORK MANAGEMENT OPTIONS
With a comprehensive array of LEDs, the switch provides “at a glance”
monitoring of network and port status. The switch can be managed over the
network with a web browser or Telnet application, or via a direct connection to
the console port. The switch includes a built-in network management agent that
allows it to be managed in-band using SNMP or RMON (Groups 1, 2, 3, 9)
protocols. It also has an RJ-45 serial port on the front panel for out-of-band
management. A PC may be connected to this port for configuration and
monitoring out-of-band through a straight-through UTP or STP Ethernet cable
and the included RJ-45-to-DB-9 converter.
For a detailed description of the management features, refer to the Management
Guide.
DESCRIPTION OF HARDWARE
RJ-45 PORTS
The switch contains two combination RJ-45 ports that operate at 10 Mbps or
100 Mbps, half or full duplex, or at 1000 Mbps, full duplex. They are shared with
SFP ports 1~2. In its default configuration, if an SFP transceiver (purchased
separately) is installed in a slot and has a valid link on its port, the associated
RJ-45 port is disabled and cannot be used. The switch can also be configured to
force the use of an RJ-45 port or SFP slot, as required.
Because the RJ-45 ports support automatic MDI/MDI-X operation, you can use
straight-through cables for all network connections to PCs or servers, or to other
switches or hubs. (See “Twisted-Pair Cable and Pin Assignments” on page 49)
Each of these ports support auto-negotiation, so the optimum transmission
mode (half or full duplex), and data rate (10, 100, or 1000 Mbps) can be
selected automatically. If a device connected to one of these ports does not
support auto-negotiation, the communication mode of that port can be
configured manually.

C HAPTER 1 | Introduction
Description of Hardware
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SFP TRANSCEIVER SLOTS
The switch contains 24 Small Form Factor Pluggable (SFP) transceiver slots that
operate at 1000 Mbps full duplex. These slots support 1000 Mbps SFP Gigabit
Ethernet transceivers. The supported transceiver types are listed below:
uSFP 1000SX
uSFP 1000LX
uSFP 1000LHX
uSFP 1000ZX
uSFP 1000RJ-45
uSFP 1000BX20
uSFP 1000BX20D
uSFP 1000BX10
uSFP 1000BX10D
For information on the recommended standards for fiber optic cabling, see
“1000 Mbps Gigabit Ethernet Collision Domain” on page 43.
CONSOLE PORT
An RJ-45 serial console port is provided on the switch front panel for a
connection to a console device through a straight-through UTP or STP Ethernet
cable and an RJ-45-to-DB-9 converter. The console device can be a PC or
workstation running a VT-100 terminal emulator, or a VT-100 terminal.
An RJ-45-to-DB-9 converter is supplied with the unit for connecting to the
console port.

C HAPTER 1 | Introduction
Description of Hardware
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PORT AND SYSTEM STATUS LEDS
The switch includes a display panel for key system and port indications that
simplify installation and network troubleshooting. The LEDs, which are located
on the front panel for easy viewing, are shown below and described in the
following tables.
Figure 4: Port LEDs
Table 1: 1000 Mbps SFP Port Status LEDs (1~24)
LED Condition Status
(Link/Activity) On/Flashing Green Port has established a valid 1000 Mbps network
connection. Flashing indicates activity.
Off There is no valid link on the port.
SFP Port Status LEDs
System Status LEDs
RJ-45 Port Status LEDs

C HAPTER 1 | Introduction
Description of Hardware
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Table 2: 1000 Mbps Shared RJ-45 Ports Status LEDs (1~2)
LED Condition Status
(Link/Activity) On/Flashing Green Port has established a valid 1000 Mbps network
connection. Flashing indicates activity.
On/Flashing Amber Port has established a valid 10/100 Mbps network
connection. Flashing indicates activity.
Off There is no valid link on the port.
Table 3: System Status LEDs
LED Condition Status
Power On Green The unit’s internal power supply is operating
normally.
On Amber The unit has an internal power supply fault.
Off The unit has no power connected.
Diag On Green The system diagnostic test has completed
successfully.
Flashing Green The system diagnostic test is in progress.
On Amber After powering on, this indicates that the system
diagnostic test has detected a fault.
During operation, this indicates that an installed
SFP transceiver has failed.

C HAPTER 1 | Introduction
Description of Hardware
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POWER SUPPLY SOCKET
There is one power socket on the rear panel of the switch. The standard power
socket is for the AC power cord.
Figure 5: Power Supply Socket