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EP-726DG-L
User's Manual
for
Layer2 Management 24-Port 10/100Mbps

Plus Two slots for 1000Mbps Copper/ Fiber Modules

Auto-Negotiation Ethernet Switch
(Revision 1.0)


(April, 2002)


FCC Class A Appliance
This equipment generates and uses radio frequency energy. If it is not installed and used properly in strict accordance with the manufacturer‘s instructions, it may cause interference to radio and television reception. It has been type-tested and found to comply the specifications in sub-part J of Part 15 of FCC Rules, which are designed to provide reasonable protection against such interference in a residential installation. There is no guarantee that interference will not occur in a particular installation. If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Re-orient the receiving antenna




  • Relocate the computing device with respect to the receiver

  • Move the computer away from the deceiver

  • Plug the computer into a different outlet so that compute and receiver are on different electrical circuits.

If necessary the user should consult the dealer or an experienced radio or television technician for additional suggestions.


The information in this manual is subject to change without notice. All the brand names are registered trademarks of their respective companies.

Checklist
Check the contents of your package for following parts:


  • 24-port 10/100Mbps + two 1000Mbps module slots Ethernet management

Switch

  • Power Cord

  • Console Port Cable

  • Bracket set

  • User's Manual

If any of these pieces are missing or damaged, please contact your dealer immediately, if possible, retain the carton including the original packing material, and use them against to repack the product in case there is a need to return it to us for repair.



Contents

Introduction

Features and Specifications

Hardware Description

Front Panel

Rear Panel

Hardware Installation

Configuration

Main Menu

Login to Web Browser Interface

Configuration of Ports

Port Setting Procedure

Setting Up of Port Security

Delete MAC Address

Setting Up of Mirror Port

Configuration of VLAN

Trunking Configuration

Advanced Configuration

STP Bridge

STP Port


Aging Control

Searching Host Using IP Address

MAC Address Search

Using System Tools

Define System Configuration

Knowing the System Information Changing System Administrator Password

Upgrading Firmware

Saving, Backup and Clearing of Configuration Profile

Rebooting

Loggin Out

Using Help Menu

Application on Virtual LAN

Untagged VLAN

Tagged VLAN

Tagged VLAN with legacy (untagged) VLAN support

Command Reference



Hardware Troubleshooting
Introduction
This product specification for the Layer2 Management Ethernet Switch defines 24-port, 10/100 Ethernet stacking Switches with supporting plug-in modules. It is designed with an enclosure containing 24 10/100Mbps UTP ports, together with two slots for plug in expansion modules. There is one console port (RS232) on the front panel. The expansion modules include 1000Mbps Uplink, stacking, and 100BaseFX modules.
The base unit provides basic bridge functions and network management capabilities such as port-based VLAN, link aggregation, Spanning Tree, SNMP, RMON (group 1,2,3, and 9) and web-based management. It can be managed either by in-band management via the network station remotely or out-of-band management via the console port (RS232) locally.
There are following various module types for your application optional,

  • 1Gbps copper module with stacking function

  • 1Gbps Fiber module

  • 100Base-FX module (ST/SC, single-mode/ multi-mode optional)



Features and Specifications
Features:

  • Complies with IEEE802.3, 802.3u, 802.3ab,and 802.3z Ethernet Standards, IEEE802.3x flow control, 802.1d Spanning Tree, 802.1p QoS, 802.3ad Trunking, and 802.1q VLAN Standards.

  • Features Store-and-Forward mode with wire-speed filtering and forwarding rates

  • Automatic source address learning and aging

  • Support up to total 4K MAC address

  • Support up to total 48Mbit(6Mbyte) buffers memory

  • Per port broadcast throttle

  • IEEE802.3x compliant full-duplex flow control, half-duplex flow control

  • Runt and CRC Filtering eliminates erroneous packets to optimize network bandwidth

  • Support to handle up to 1536 bytes packet

  • LED indicators for simple diagnostics and management

  • Auto MDI/MDI-X on each TX port

  • Provide console port, reset and mode change pushbuttons in front panel

  • Internal power supply

  • Management functions:

Basical Configuration

-MAC address, port and VLAN port mirroring

-VLAN tagging and untagging up to 32 VLANs

-802.1d Spanning Tree, IGMP

-up to 800Mbps trunking, terminal/telnet management

-MAC/Host address search

-Virtual stacking up to 8 units

-Per port enable/disable, mode, flow control

-Support password, save, restore, and IP address setting, and reboot switch remotely

-Support to download firmware from console port or web browser

-Support Port security control(MAC address filtering)
Advanced Feature

-Support 4 groups RMON MIB(1-statistics, 2-history, 3-alarm, 9-events)

-SNMP MIB II(RFC1213), Bridge MIB(RFC1493) Private MIB

-SNMP management application

-Trap Management

-Network(unit or port) statistics through graphic
Specifications:


  • Network Media:

100Base-TX - UTP/STP category 5 cable

10Base-T - UTP/STP category 3 or 5 cable

100Base FX – Multi-mode/Single-mode SC/ST fiber optic cable

1000Base-T - 4-pair category 5 cable

1000Base-SX - Multi-mode fiber optic cable


  • Connector: STP RJ-45 port for 10/100/1000Mbps TX, SX connector for 1000Mbps fiber, SC/ST connector for 100Mbps FX

  • Models:

base - 24-port plus two slots for 100/1000Mbps copper or 1000Mbps fiber option Managed Ethernet Switch

TX1GM module - 100/1000Mbps TX, copper media with auto MDI/MDIX

FX1GM module - 1000Mbps SX, multi-mode/single-mode fiber media

FX100M module - 100Mbps FX, multi-mode/single-mode fiber media



  • LED indicators: System - Power OK LED.

Individual port- link, mode(included activity, speed, full/half duplex, error) LEDs

  • Dimension: 440mm(L) x 200mm(W) x 44mm(H)

  • Temperature: Operating - 0℃ to 40℃ , Storage - -20℃ to 70℃

  • Humidity: Operating - 10% to 90% RH , Storage - 5% to 90% RH

  • Input Power Requirement: 100 - 240VAC, 50 - 60Hz, Auto-sensing

  • Registrations: FCC Part 15 Class A, CE

Hardware Description
This product series provide three different running speed – 10Mpbs, 100Mbps and 1000Mbps (optional module) in the same hub and automatically distinguish the speed of incoming connection.
This section describes the hardware features of these Giga Switches. For easier management and control of the switch, familiarize yourself with its display indicators, and ports. Front panel illustrations in this chapter display the unit LED indicators. Before connecting any network device to the hub, read this chapter carefully.
There are various different module for expansion:


  • 1-port 1Gbps copper with stacking function module

  • 1-port 1Gbps SX module

  • 1-port 100Base-FX (ST/SC, multi-mode/ single-mode) module



Front Panel
The unit front panel provides a simple interface monitoring the switching hub. It includes a power indicator for each port. And a RS-232 console port for setting up the switch via a connection to a console terminal or PC using a terminal emulation program.

LED Indicators

LED

Color

Mode

Description

PWR

Green

On

Indicates power on

Link

Green


On

The port is enabled, connected, and detects Link Beat or other connection signal

Off

The port is disabled or not detecting a link

Mode

Green

On

indicates the selected mode status – ACT, FDX, or speed

ACT



Green

On

Indicates the adapter is connected to hub

Blink

indicates data in or out the port

FDX

Yellow


On

Full Duplex

Off

Half Duplex

Blink

Collision

100

Green

On

Traffic speed at 100Mbps

Off

Traffic speed at 10Mbps


Button


Button

Description

Reset

Hardware and software will occur reset (including self test) when depressed

Mode

When keep pressing the button for min. 5 seconds, the LEDs will display each port’s status (ACT, FDX, and speed)



Rear Panel
The rear panel of the Giga Switch indicates a AC inlet power socket, which accepts input power from 100 to 240VAC, 50-60Hz.
Hardware Installation

Network Ports

  • Twisted Pair

The fixed RJ-45 10/100Base-TX ports on the switches and the RJ-45 connector on the 100/1000-T Transceiver accept Category 5, 100-ohm unshielded and shielded twisted-pair cable with RJ-45 connectors.


  • Fiber-Optic

The SC/ST-type connector port on the 100Base-FX Transceiver transmits at 1300nm wavelength, and accepts the multimode/ singlemode fiber-optic cables for 100Base-FX

The SC-type connector port on the Gigabit-SX Transceiver transmits at 850nm wavelength and accepts the multimode fiber-optic cables for Gigabit-SX.


Connecting End node or Hub or Switch

Step 1: Place the Switch on a smooth surface or fasten the mounting brackets with the provided screws in a standard 19” rack

Step 2: Connect the DC jack of AC adapter to the DC inlet socket of Switch and the other end into the local power source outlet

Step 3: Connect hub or PC to one port of the Switch using Category 3/4/5 UTP/STP cabling

Step 4: Connect another hub or PC to the other port of the management Switch by following the same process as described in Step3.

Notice:

Cable distance for Switch

The cable distance between Ethernet Switch and hub/PC should not exceed 100 meter, fiber cable distance shall not exceed 220 meter.



Make sure the wiring is correct

It can be used Category 3/4/5 cable in 10 Mbps operation. To reliably operate your network at 100Mbps, you must use an Unshielded Twisted-Pair (UTP) Category 5 cable, or better Data Grade cabling. While a Category 3 or 4 cable may initially seem to work, it will soon cause data loss. Or 1000Base-SX multi-mode 62.5/125μm fiber optic cable for fiber connector application. All kinds of hub/PC can connect to 16/24 Port 10/100/1000Mbps Switch by using straight-through or crossover wires.


Connecting to Network Backbone or Server

Connect to the Gigabit Ethernet ports with Category 5 copper cable or fiber optic cable for uplinking to a network backbone or network server. These ports operate at 1000Mbps in full-duplex mode. A valid connection is indicated when the Link LED is light




Console Port

The console port interface conforms to the RS-232 electrical specification. The console port will be located on the management module.


The interface supports asynchronous mode with default eight data bits, one stop bit, and no parity. The interface automatically detects the baud rate in use by the user entering two consecutive return characters (0x0D)
The settings for the console port are as following:

  • Any baud rate from 1200 to 3800

  • 8 data bits, 1 stop bit, no parity and flow control set to None

The console port performs the following tasks:

  • Monitor switch and port status and observe network activity statistics

  • Modify the switch’s configuration to optimize switch performance.

  • Read the event log and access diagnostic tools to help in troubleshooting

  • Download new software to the switch

  • Access passwords to control access to the switch from the console web browser interface, and network management stations.


Configuration




Main Menu


After setting up the management switch, install a browser on the PC or workstation. Make sure the TCP/IP protocol is installed and configured. An Internet browser would be used to configure the management switch. The most commonly used browsers include the latest Netscape Navigator, Netscape communicator and Microsoft Internet Explorer browsers as they support frames and Java. We recommend you to use the Netscape Communicator V4.06 and higher, or Microsoft Internet Explorer 4.0 and higher.
Start by running your browser on a workstation connected onto the same network as the management switch. Enter URL Address, http://192.168.100.128.

Login to Web Browser Interface

The following is a list of the various ways for different browsers in accessing a website. Follow the instructions for the browser that you use.



In Netscape Navigator


Step 1: Select the File menu, then select Open Location.

Step 2: In the Open Location dialog box, enter the IP address of the Gateway. This address is set at the factory to: http://192.168.100.128.

Step 3: Click on the “Open” button.

In Netscape Communicator


Step 1: Select the File menu, and press Open Page.

Step 2: In the Open Page dialog box, enter the IP address of the Gateway. This address is set at the factory to: http://192.168.100.128.

Step 3: Make sure the Navigator radio button is selected then click the “Open” button.
In Internet Explorer

Step 1: Select the File menu, then select Open.

Step 2: In the Open dialog box, enter the IP address of the Gateway. This address is set at the factory to: http://192.168.100.128.

Step 3: Click on the “OK” button.


You will see the following screen comes out on the Web browser program:

Step 1: Type in the password and click “Log on!”. The default password is “password”.

After logging in to the Management system, the Main Page will display as shown below. The image of the management switch is shown on the upper right window. The status of each switch port (i.e. link, speed and duplex mode) can e seen clearly from the LED displays on the image. The lower right window is used to display the web pages of versatile configuration and operations.

Configuration of Ports

This section allows you to have an easy access in configuring the ports of the management switch. Notice that the “Link state” option indicates “Up”. This shows that the port is connected to the network. It can either be in “Up” (Connected) or “Down” (No connection) state.



Description of Parameters

  • Choose Port

You can choose a port either by clicking on the picture or by selecting it at the “Choose Port” field.

  • Speed/ Duplex

Speed/ Duplex is to select the operation mode of chosen port. The options are as:

‘Auto’: Auto negotiation

‘10Mbps HD’: 10 Base-T Half/ Duplex

‘10Mpbs FD’: 10Base-T Full Duplex

‘100Mpbs HD’: 100Base-TX Half Duplex

‘100Mbps FD’: 100Base-TX Full Duplex



  • Broadcast Rate Limit

This function sets broadcast limit to the desired rate for the specified port. It controls the reception of broadcasting packets. The ranging for Broadcast rate limit varies from 0% to 100%. The higher the rate is, the more data can pass through the traffic. Rate is the percent of the traffic to allow before throttling. I.e. if you want the switch to allow a maximum of 10%, the broadcast traffic on a given link will let 10% of the data to pass in.



  • Port Priority

In a tagged VLAN application, you can specify the VLAN priority to expedite the VLAN traffic. There are 8 levels of priority, namely ‘0’, ‘1’, ‘2’, ‘3’, ‘4’, ‘5’, ‘6’ and ‘7’ in ascending priority.

  • Port VLAN ID

VLAN ID is the sequence number of a VLAN. In this case, the management switch has 32 VLANs to specify and therefore the VLAN ID is from 1 to 32. The setting of the VLAN ID depends on ‘Belongs to VLANs’ option.

  • Port State

Port state is for the enabling or disabling the switch operation of the chosen port. If it is ‘enabled’, the chosen port will receive and forward the packets, and learns the respective source MAC Addresses. If it is ‘disable’, the chosen port will not receive or forward any packets or learn source MAC Addresses.
It should be noted that if the CPU port (i.e. the switch port connected to the management port) is disabled, the communication link between user and proceed further. So, disabling the CPU port will be rejected automatically by the management system.


  • Flow Control

This feature reports the Flow Control setting of the port. Enabling the Flow Control function allows Half and Full Duplex mode. If Flow Control function is ‘Disabled’, both Half and Full Duplex mode will be disabled.

Port Setting Procedure

Step 1: Click on the image to select a port or select from the ‘Choose Port’ field

Step 2: Select Speed/ Duplex Mode and choose Port Lock field

Step 3: Enter the rate for Broadcast Rate Limit field and set Current VLAN ID

Step 4: Choose either ‘ Enabled’ or ‘Disabled’ for both Port State and Flow Control field. Set the Port Priority

Step 5: Click on “Apply” button to make the configuration effective. Hit the “Save” button if you are satisfied with the setting.



Setting Up of Port Security

Of all 26 ports, some of the port may need to assign to the specific port. In order to fulfill this act, MAC Address should be added to that particular port. This is to ban other users from using the static port. A port can accommodate up to 20 MAC Addresses.


Setting Up Procedures

Step 1: Select the port that you want to add in the MAC Address

Step 2: Key in the MAC Address in the field provided, e.g. 00-80-40-E8-85-12, and click “Add” button

The system will then add in the New MAC Address into the listing on the right side of the screen.


Delete MAC Address

If you want to delete MAC Address/es, simply follow the procedures shown below:



For deleting individual MAC Address

Step 1: Select a MAC Address and clink on “Del→” button.


The system will prompt you to confirm your action:
Step 2: Choose “OK” button to confirm.

The particular MAC Address will be successfully deleted!


For deleting ALL MAC Addresses

Step 1: Click on “Delete All” button and the system will again prompt you the message as shown as above.

Step 2: Choose “OK” button to confirm.

All MAC Addresses will be deleted immediately!


Setting Up of Mirror Port

Using Mirror Port to Monitor Traffic

This function allows you to set up a ‘mirror’ port of any specified port/s or VLAN, such that you can monitor the traffics of the monitored port/s or VLAN without intervening them. In effect, the traffics on the monitored port/s VLAN are replicated on the mirror port that you can use a protocol analyzer to analyze the traffic for specific problem.


Setup Procedures

Step 1: Select one Mirror Port.

Step 2: Click on the dashed line ‘-‘ on that particular port if you wan to select it as a Mirrored Member (T).

Step 3: Hit on “Apply” button after you are satisfied with the setup. Click “Save” button to update the latest configuration.


Configuration of VLAN

The management switch supports Virtual LAN, which logically group the connection into VLANs for traffic isolation and security purposes. Both tagged and untagged based VLAN are supported with a total maximum of 31 groups. Each VLAN group only forwards traffic within its member ports. For tagged VLAN, each port can be a member of more than one VLAN group and it also supports priority with eight levels. There is also provision for creating a tagged VLAN shich sport a connection with a legacy untagged VLAN. The VLAN configuration feature also allows you to build, delete and view tagged/ untagged VLAN groups and setting priority for tagged VLANs. The range of VID starts from 2 to 4094, as VID 001 is the default for Group 1.


Setup Procedures

Step 1: Decide which Group you want to set for monitoring using mirror port. Click status column for that particular group and key in the VLAN ID.

Step 2: Next, click on the dashed line’-‘ to select either “t” for Tagged or “U” for Untagged.

Step 3: Hit on “Apply” button after you satisfied with the setup. Click “Save” button to update the latest configuration.


Trunking Configuration

Port Trunking is the ability to group together several switch ports to increase the bandwidth between the management switch and other switch. This is an inexpensive method to increase through put between switches (or to servers). We define the Port Trunking as the ability to group a set of ports into a single logical link. The port trunk acts as signle link between switches. It doesnot create a loop even though it is physically connected as such.


Port Trunking Setup Procedures

Step 1: You can choose up to 4 groups for Trunking by selecting ‘-‘ as “T”

Step 2: Click on “Apply” button to make the configuration effective.

Step 3: Click “Save” button to save the latest setting.



Note: If you select more than 4 ports for trunking, the following error message will appear:

Click “OK” button and select the ports again.


Advanced Configuration

STP Bridge

This page lets you to have a clearer view in Spanning Tree parameters and configure individual switch ports to participate in the Spanning Tree algorithm.


Description of Parameters

  • STP State

When STP is enabled, it will dynamically detect network looping owing to mis-configuration of the network topology. The redundant connectors will be disabled to avoid looping of packets. Looping would often result in flooding of broadcast packets, halting the normal traffic.

  • Root Priority

The priority of the switch is currently acting as the root. The bridge with the lowest value has the highest Spanning Tree priority level and is related as the root.

  • Hello Time

The Hello time of the Spanning Tree field shows the number of seconds between the transmissions of Spanning Tree protocol configuration messages.

  • Forward Delay

The Forward Delay field shows the number of seconds a port waits before changing from its Spanning Tree Protocol learning and listening states to the forwarding state. This wait is necessary so that other switches on the network ensure no loop is formed before they allow other port to forward packets.

  • Max Age

The maximum age time of the Spanning Tree shows the number of seconds the ridge waits without receiving Spanning Tree Protocol configuration message before attempting a reconfiguration.
Setup Procedures

Step 1: Select Spanning Tree state option, either to enable or disable it.

Step 2: Set Root Priority from 0 s – 65535 s, and Hello Time from 1 s – 10 s.

Step 3: Key in the Forward Delay Time, Maximum Age and Hold Time.

Step 4: Click “Apply” button and save it if everything is OK.

Note: The screen is divided into two sections. Current Spanning Tree Root section displays the read-only Spanning Tree settings for the current root switch and the parameters this switch is to use when it becomes the root switch.
STP Port

This section helps you to change the port-specific parameters.


Description of Parameters

  • Bridge Port

This option shows the port of the bridge that connects to the root bridge.

  • Path Cost

This option sets the Spanning Tree path cost for this port. A lower path cost represents higheTree. You can set “r transmission speed. Assign the lowest path cost to the port you want used by the Spanning Tree. You can set “Path Cost” to any of the value, starting from 1 to 65535.

  • Priority

Sets the port’s priority, starting from 0 to 65535, in the Spanning Tree algorithm. The higher the number has a higher priority.
Setup Procedures

Step 1: Select any one of the ports, from 1 to 26, to connect to the root bridge.

Step 2: Key in the value for Path Cost.

Step 3: Set the priority level.



Aging Control

Aging Control is for the aging of address entries in the switch’s forwarding table. If the aging control is enabled, a learned address entry (not included the static entry) will be removed from the forwarding table if there is no update within a pre-determined period (1 ~ 128 seconds). It is useful because the resource of the forwarding table is limited. Enabling the aging control will not influence packets forwarding, for that the packet is forwarded to all other ports when the destination MAC address cannot to found in the forwarding table. If the aging control is disabled, all address entries will no be removes.



Aging Control Configuration Procedures

Step 1: Select “Enable” from the Aging Control option.

Step 2: Enter an integer in the entry, choosing from the range of 1 to 128, if the aging control is enabled. If the aging control is disabled, this stop can be skipped.
Searching Host using IP Address

Host Search is for searching a host by IP address on the whole switch, and getting the port umber to switch the host is connected. It is useful while configuring the VLAN. With this function, you can easily detect the port at which a host is connected to and have an idea about which ports should e included in a VLAN.


Host Searching Procedures

Step 1: Enter the IP Address of the host.

Step 2: Click on “Search” button.
If the system can not find the Host Address the following GUI will appear:
MAC Address Search

This feature helps to look for the particular MAC Address sated in the field, which provides a useful way while configuring the VLAN. The system will search through the device for the port’s ownership of that particular PC.


MAC Address Search Procedures

Step 1: Enter MAC Address in the field provided.

Step 2: Click on “Search” button.
If MAC Address was found by the system, the result will appear as:
But, if the system cannot find any matching MAC Address, the following search result will appear:
Using System Tools

Define System Configuration

This is an easy access in configuring the system. You can configure IP address or Subnet Mask of the management board in the management switch. It is likely that several VLANs are on the single switch and each VLAN can be regarded as an independent network, so their network addresses may be different.


System Configuration Procedures

Step 1: Give a description for the system name and location of this switch.

Step 2: Key in the contact information and describe the product of the switch.

Step 3: Enter the IP address and Subnet Mask.

Step 4: Click “Apply” button and save the setting by hitting “Save” button.
Upon making amendments on this page, the screen will appear a message, “Reboot the switch?”. Click on the ‘Yes’ button to take effect on the changes.
Click on “Logon” button again if you still need to access to the management switch web page. This cannot apply to the changing of IP Address! Please refer to the following notes for details.
Note: Please not that after changing IP Address of the device, the system will not lead you to log in the management switch web page after you have clicked “Logon” button. Instead, a page error will display on the screen, stating “The page cannot be displayed”. Not to worry! What you need to do is to enter your NEW IP Address to login to the web page
Knowing the System Information

System Information displays the necessary data about the management system.


Changing System Administrator Password

This option allows you to amend the current password.


Changing password procedure

Step 1: Type in your current password.

Step 2: Enter your new password.

Step 3: Enter the new password again for confirmation.

Step 4: Click on “Changing Password” button to active the new setting.
If your password is keyed correctly, the system will reply you with a system message, stating that your password has been changed successfully.
However, if wrong password is enteredm any of the error messages shown below will appear:
Hit “return” button and re-enter the password correctly.
Upgrading Firmware

You can simply download the newer version Firmware from http://www.compex.com.ag. Here, you will find links that allows easy access for upgrading of future released of updated firmware.


To check your current firmware version, click “Knowing the System Information” as mentioned in page . After downloading the firmware, saved it into your hard disk.

Upgrade Firmware Procedure

Step 1: Click “Browse” button to select the file where you have just saved and ‘Choose file’ dialog box will appear, prompting you to select the file to upgrade the firmware.


Step 2: Click “Upgrade” button to start replacing the latest Firmware revision.

The system will prompt you reboot the management switch.


Step 3: Click “Yes” button to restart the device.

Step 4: Log on the web site after 60 seconds if you still need to do some configuration on the management switch.


Note: If you are using the same or older version of the firmware, the system will prompt you whether or not to use the firmware. See the GUI shown below:
On the other hand, if you choose the wrong file, a system message will appear:
Note: the “Help” button describes the steps in changing the password. The description listed in the Help list is similar to the above-mentioned contents.
Saving, Backup and Clearing of Configuration Profile

The Save and Reset Settings allow you to execute the amendments or rest to the default setting of configuration.


Save

By click the “Save” button, you will save all the changes made in the management switch. You need to reboot the switch to ensure that the profile is updated correctly.


Backup

This option allows you to backup the switch’s configuration into a file.


To create a backup configuration,

Step 1: Click on the “Backup” button and the system will prompt you to either open the file or save it to disk.

Step 2: Select the radio button to “Save the file to disk” and click “OK” button.

The system will then prompt you to save switch.cfg to a destination.


Step 3: Select a folder that you want to save the file and click “SAVE” button to proceed.

Step 4: After downloading process has completed, the following GUI will appear. Click “Close” button if you do not want to view the downloaded file.




Restore

This option allows you to restore the old configuration from your backup file.


Step 1: Click “Browse” button and select the file that you want the system to restore back the configuration.
Step 2: Click “Restore” button to start the process.

The system will request you to reboot the switch.

Step 3: Click “Yes” button to restart the switch.
Step 4: Wait for 60 seconds and the system will automatically return to the Login Web page, prompting you to enter password again.
Clear and Reset

By clicking this option, you will restore the management switch to factory defaults. And you will have to re-enter all the configuration information to our network.


To Clear or reset the setting,

Step 1: Click on “Clear and Reset” button. The system will prompt you to choose whether you really want to reset the configuration data.

Step 2: Click “Yes” button to proceed and the system will automatically reset the IP address to factory default, which is http://192.168.100.128
Step 3: Click “Logon” button if you want to make some more changes.
Rebooting

Rebooting the management switch is required after changes are made in the configuration or setting.


Click “Yes” to reboot the switch. The system will prompt you to logon again after 60 seconds to see the effect:
Note: The “Help” button describes the steps in rebooting the switch. The description listed in the Help list is similar to the above-mentioned contents.
Loggin Out

With the web browser, logging out is as easy as ABC. By clicking “Logout” button, you will get a logout GUI as shown below. If you need to access to the Web Page again, you just need to click “Logon” button. This is true only if you have not changed the default factory settings for the IP address of your switch.


Alternatively, you can log in again into the web-based browser via http://192.168.100.128 or the new IP address, which you have assigned to the switch.

Note: If you changed a new IP Address for the management switch, the system will NOT automatically changed to the new IP address after you click on the “Logon” button.
Using Help Menu
Technical Support

For more information on technical support, click on “Technical Support” in the HELP menu. Here, you can refer to the respective technical group supported by SURECOM in the different countries as shown below:


Application on Virtual LAN
Untagged VLAN

In an untagged VLAN application, you can assign a group of ports within a switch as members of specific VLAN. Data traffic would be confirmed within the member ports. In this way, devices connected with the switch can be partitioned into distinct groups each corresponds to a different VLAN. The partition (VLAN) can be expanded when two untagged VLANs are connected together through their member ports. No two VLANs can be overlapped. Each VLAN is separate from the rest. It provides a simple means to implement a secure and managed network.


There are two VLANs, A and B in the network. Notice that separate links are required between switches to join the two VLANs.
Tagged VLAN

Shared Uplink Conntection

In a tagged VLAN application, you still can assign specific ports within a switch to be a VLAN group. In addition, the data transferred within the VLAN group is tagged with an ID as specified with the 802.3Q Tagged VLAN standard It allows the VLAN information to be carried alogn as the data flow from switch to switch. It also allows a port to carry multiple VLANs data stream. It is more flexible and scalable than the untagged VLAN application. However, all networking devices have to support the 802.3Q Tagged VLAN standard for VLAN Tagging system to work.

Two tagged VLANs are created in the physical network. VLAN 2 consists of Server 1, Workstation 1, 2 and 3. VLAN 3 consists of Server 2, Workstation 4 and 5. The connection with port 7 of Switch 1 and port 1 of Switch 2 transfer data for both VLAN 2 and 3 simultaneously and separately.
Tagged VLAN with legacy (untagged) VLAN support

In most scenarios, there are legacy-networking devices that do not support 802.3Q Tagged VLAN. To accommodate such devices, tagged VLANs are normally inapplicable. However, the management switch has provision for legacy device support. It allows an untagged VLAN or device to join the tagged VLAN while work together as in a tagged VLAN application.



Legacy Device- VLAN Support

The example below shows the switch in a backbone application. Workstation 1 is a legacy device, which do not support VLAN tagging. There is also an untagged VLAN connecting the hub to port 7 of the switch. Other devices would support 802.3Q Tagged VLAN. The commands build two tagged VLANs (Workstation on Port 2) and an untagged VLAN (hub on Port 7). The switch would tag and un-tag the data such that data flowing into Port 7 would be tagged with a VLAN ID of ‘3’ while data flow out of it would be untagged that the legacy VLAN would recognize it.



Note: The VLAN configuration shown above would be impossible to implement with untagged VLAN.
Legacy Devices Support

With the legacy support, the untagged example (page ), now can be configured as two tagged VLANs with two ports less. The two connections now share one connection between the two switches. The tagged VLAN effectively connects all untagged devices.


Command Reference
Command Line Basic

The management switch provides a command line interface via the console connection for user to view and configure various features of the switch. You may globally or individually setup each port for your desired operation. Advanced features like ‘VLAN’ and ‘trunking’ etc.


Access Level Categories

Each command is assigned with an access level so that only user logins with the corresponding access level can access the command.


There are two access levels namely ‘operator’ and ‘administrator’ level.
Operator’ access level allows users to view the switch status. It is the default access mode on power up.
‘Administrator’ access level allows users to configure various parameter of the switch. It is for IT personnel who are responsible for setup or maintenance of network system. User can login to ‘administrator’ (via the ‘login_admin’ command) and logout (via the logout command) afterward.
You would know if you are in ‘Operator’ or ‘Administrator’ access level by th3e greeting command prompt. In ‘Administrator’ access level, you would see the ‘ADMIN’ wording in the command prompt e.g. ‘ADMIN HOME>’ in the ‘HOME’ page.
Command Navigation

The commands are structured in pages to allow easy access. When the switch is first power up, you are presented with a ‘HOME’ page. It contains commands to navigate down to three ‘BOTTOM’ pages, each containing commands in different categories. User can return to the ‘HOME’ page with the ‘EXIT’ command afterward.


The commands can e categorized as ‘General’, ‘System Management’, ‘Port Management’ and ‘VLAN Management’ commands.

You would know which page you are in by the greeting command prompt. You should get the ‘HOME’, ‘SYSTEM’, ‘PORT’ or ‘VLAN’ wording in the command prompt if you are in respective page.


General Commands

Command

Description

Page

Access level

Home

System

Port

VLAN

system

Change to ‘System Management Command’ page

Yes

-

-

-

Operator, Administrator

port

Change to ‘Port Management Command’ page

Yes

-

-

-

Operator, Administrator

VLAN

Change to ‘VLAN Management Command’ page

Yes

-

-

-

Operator, Administrator

exit

Change to ‘HOME’ page

Yes

-

-

-

Operator, Administrator

help

Display Help Message

Yes

Yes

Yes

Yes

Operator, Administrator


System Management Commands

Command

Description

Page

Access level

Home

System

Port

VLAN

login-admin

Change to Administrator Access Level

Yes

-

-

-

Operator

logout

Change to Operator Access Level

Yes

-

-

-

Administrator

password

Change Administrator login password

-

Yes

-

-

Administrator

sys_info

Report System Information

-

Yes

-

-

Operator, Administrator

check_fault

Report System Fault Status

-

Yes

-

-

Operator, Administrator

update_con

Save current configuration data into flash memory

-

Yes-

-

-

Administrator

reset_para

Restore factory configuration data into system

-

Yes

-

-

Administrator

os_erase

Remove the firmware program form flash memory for update

-

Yes

-

-

Administrator

reset

Restart the switch

-

Yes

-

-

Administrator

Port Management Commands

Command

Description

Page

Access level

Home

System

Port

VLAN

p_ck

Report ports status

-

-

Yes

-

Operator Administrator

p_en

Enable and modify port(s) configuration

-

-

Yes

-

Administrator

p_dis

Disable port(s)

-

-

Yes

-

Administrator

p_flw

Enable/ Disable flow control for port(s)

-

-

Yes

-

Administrator

p_bck

Enable/ Disable back pressure for port(s)

-

-

Yes

-

Administrator

p_aint

Change address aging interval

-

-

Yes

-

Administrator

p_dage

Enable/ Disable port(s) address aging function

-

-

Yes

-

Administrator

p_lock

Enable/ Disable port(s) lock

-

-

Yes

-

Administrator

p_trunk

Set port trunk

-

-

Yes

-

Administrator

p_mirror

Set mirror port

-

-

Yes

-

Administrator


Troubleshooting
This chapter contains information to help you solve problems. If Giga Switch is not functioning properly, make sure the Ethernet Switch was set up according to instructions in this manual..

The Link LED is not lit

Solution:

Check the cable connection and remove duplex mode of the Giga Switch
Some stations can not talk to other stations located on the other port

Solution:

The address table may contain older information than of the address table of that node. Please power down to refresh the address information.

Hub‘s RJ-45 Pin Assignments


1. 10/100Mbps-TX

Pin

Station Ports 1-8

Uplink Port

1

Input Receive Data +

Output Transmit Data+

2

Input Receive Data -

Output Transmit Data-

3

Output Transmit Data+

Input Receive Data +

6

Output Transmit Data-

Input Receive Data -

4,5,7,8

Not used

Not used

- 34 -


Schematics for both straight and crossover twisted-pair cable are shown below. (Note that crossover cable is only required if you cascade hubs via the RJ-45 station ports; i.e. the Uplink port is not used.)

Straight-Through Crossover

(Hub) (Adapter) (Hub) (Hub)

1 IDR+ 1 OTD+ 1 IRD+ 1 IRD+

2 IRD- 2 OTD- 2 IRD- 2 IRD-

3 OTD+ 3 IRD+ 3 OTD+ . 3 IRD-



6 OTD- 6 IRD- 6 OTD- 6 IRD-
2. 1000Mbps (or 1000Base-TX)

Contact

MDI

MDI-X

1

BI_DA+

BI_DB+

2

BI_DA-

BI_DB-

3

BI_DB+

BI_DA+

4

BI_DC+

BI_DD+

5

BI_DC-

BI_DD-

6

BI_DB-

BI_DA-

7

BI_DD+

BI_DC+

8

BI_DD-

BI_DC-

Implicit implementation of the crossover function within a twisted-pair cable, or at a wiring panel, while not expressly forbidden, is beyond the scope of this standard.


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