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Accton Technology 1500 - page 1
EtherHub 1500 System User’s Guide ♦ EtherHub-16i ✚ ♦ EtherHub-16mi ✚ ...
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Accton Technology 1500 - page 2
EtherHub 1500 System User’s Guide ♦ EtherHub-16i ✚ ♦ EtherHub-16mi ✚ ...
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Accton Technology 1500 - page 3
Copyright (c) 1995 by Accton Technology Corporation. All rights reserved. No part of this document may be copied or reproduced in any form or by any means without the prior written consent of Accton Technology Corporation. Accton makes no warranties with respect to this documentation and disclaims any implied warranties of merchantability, quality, ...
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Accton Technology 1500 - page 4
FCC Warning FCC Warning i 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 ra ...
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Accton Technology 1500 - page 5
Sicherheitshinweise Sicherheitshinweise iii 1. Die Steckdose mu ß sich in der N ä he des Ger ä tes befinden und leicht zug ä nglich sein. 2. Zum Reinigen den Stecker aus der Steckdose ziehen. Beim Reinigen keine Fl ü ssigreiniger oder Sprays verwenden, sondern ein angefeuchtetes Tuch. 3. Das ...... ger ä t nicht in Na ß r ä ume oder in der ...
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Accton Technology 1500 - page 6
v About this Guide This is an installation guide for the EtherHub 1500 hubs EtherHub-16i + and EtherHub-16mi + . It covers the following topics: ì Product description, summary of important features and specifications ì Brief description of the EtherHub 1500 System ì Description of significant components of the unit including LED indicators, ...
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Accton Technology 1500 - page 7
vii Package Contents Carefully unpack the contents of the package and verify them against the checklist given below. This checklist applies to both the EtherHub-16i + and EtherHub- 16mi + unless otherwise specified. Package Checklist æ EtherHub-16i + (Model No. EH1501s) or EtherHub-16mi + (Model No. EH1502s) æ One AC power cord æ 0.5 meter FlexB ...
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Accton Technology 1500 - page 8
Contents ix Chapter 1: Overview 1-1 The EtherHub 1500 System 1-1 Features of EtherHub 1500 System 1-4 Distinguishing Factors of EtherHub 1500 System 1-5 Chapter 2: Hardware Description 2-1 Front Panel Displays 2-1 SmartWatch LED Panel 2-2 PWR/CPU 2-3 Interhub 2-3 Isolated (EtherHub-16i + only) 2-3 Serial (EtherHub-16mi + only) 2-4 Terminator 2-4 Mo ...
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Accton Technology 1500 - page 9
EtherHub 1500 System User’s Guide x Contents Chapter 3: Hardware Installation 3-1 Before You Begin 3-1 Hardware Installation 3-2 Stacking Hubs without a Rack 3-3 Mounting Hubs on a Rack 3-4 Connecting the Hub System 3-5 Preparing for System Configuration 3-7 Local Out-of-Band Configuration 3-7 Remote Out-of-Band Configuration 3-8 In-Band Configur ...
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Accton Technology 1500 - page 10
EtherHub 1500 System User’s Guide Contents xi Performance Menu 4-14 Threshold Menu 4-14 Using the Configure Button 4-16 Selections Available 4-18 Chapter 5: Applications 5-1 Attaching Stack to One Segment 5-1 Attaching Stack to Three Segments 5-2 Attaching Stack to Multiple Segments 5-3 Each Hub is Isolated 5-4 Extending the Network with STP/BNC ...
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Accton Technology 1500 - page 11
EtherHub 1500 System User’s Guide xii Contents A ppendix A: Product Specifications A-1 Features A-1 Physical Characteristics A-1 Specifications for FlexBus 1500 Cable A-2 Attenuation for Horzontal FlexBus 1500 Cable Error! Bookmark not defined. NEXT for Horizontal FlexBus 1500 Cable A-3 Standards Compliance A-4 Appendix B: Pin Assignments B-1 Fle ...
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Accton Technology 1500 - page 12
List of Figures xiii Figure 2.1 The EtherHub-16i + Front Panel 2-1 Figure 2.2 The EtherHub-16mi + Front Panel 2-1 Figure 2.3 SmartWatch LED Panel for EtherHub-16i + 2-2 Figure 2.4 SmartWatch LED Panel for EtherHub-16mi + 2-2 Figure 2.5 Daisy-Chain S witch Setting 2-15 Figure 2.6 The EtherHub-16i + Rear Panel 2-16 Figure 2.7 The EtherHub-16m ...
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Accton Technology 1500 - page 13
1-1 Chapter 1: Overview The EtherHub 1500 System The EtherHub 1500 System is a powerful and innovative LAN network enhancement and management product series. Each component in the system supports a multi-segment bus architecture that enhances traffic management and network bandwidth utilization. This system offers the network manager a wide range o ...
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Accton Technology 1500 - page 14
EtherHub 1500 System User’s Guide 1-2 Overview In addition, this hub supports a multi-segment bus architecture that enhances traffic management and network bandwidth utilization. With an SNMP agent, this unit not only functions as an intelligent hub, but can also monitor up to 10 intelligent hubs connected to it (including itself) through the Fle ...
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Accton Technology 1500 - page 15
EtherHub 1500 System User’s Guide Overview 1-3 EtherHub-16i + , a 16- port intellig ent 10B ASE- T hub. It includes - • 16 RJ-45 STP station ports for networking computers to the network using shielded or unshielded twisted-pair cable (STP or UTP). • 1 optional port for installing an AUI, BNC or Fiber-Optic module, which permits connection to ...
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Accton Technology 1500 - page 16
EtherHub 1500 System User’s Guide 1-4 Overview the SNMP management agent (i.e., EtherHub-16mi + ). The network management station can be a 386 or 486 workstation with a 10MB hard disk, at least 2 MB on-board memory, a VGA display, and running Windows version 3.1 or higher (i.e., Windows 3.1, 3.11, ’95, NT). AccView/Open EtherHub Manager , is ne ...
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Accton Technology 1500 - page 17
EtherHub 1500 System User’s Guide Overview 1-5 • Provides one serial 9-pin RS232 port for out-of-band network management (EtherHub-16mi + only) • Supports daisy chaining by using a daisy-chain switch to convert port 16 to a daisy-chain port • Automatic polarity detection and correction permits automatic recovery due to wiring errors • Aut ...
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Accton Technology 1500 - page 18
EtherHub 1500 System User’s Guide 1-6 Overview • Supports out-of-band m anagement (using Accton’ s proprietary EtherHub 1500 System Config uration Prog ram ) , and full software configurable in- b and m anag ement using the optional AccView/Open (netw ork m anagem ent softw are) • Flash ROM on board the EtherHub-16m i + for easily updating ...
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Accton Technology 1500 - page 19
2-1 Chapter 2: Hardware Description This chapter describes the hardware features of the EtherHub-16i + and EtherHub-16mi + . Except for 3 LED indicators that are unique to each hub, both products have similar indicators and other front panel components. Likewise, the rear panel is similar for both versions, except that the EtherHub-16i + does not s ...
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Accton Technology 1500 - page 20
EtherHub 1500 System User’s Guide 2-2 Hardware Description SmartWatch LED Panel Both hubs have a SmartWatch LED panel that includes comprehensive indicators for monitoring the device and network status. A quick glance at the front panel tells you if the unit’s power in ON, if it is monitoring another hub (or concentrator), or if a probl ...
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Accton Technology 1500 - page 21
EtherHub 1500 System User’s Guide Hardware Description 2-3 PWR/CPU Color: Green Label: PWR/CPU Function: Power indicator LED Activity Condition Indication STEADY LIGHT ON Unit is receiving power, CPU is running, and EH1502s Agent is in Master mode. BLINKING LIGHT ON Unit is receiving power, CPU is running, and EH1502s Agent is in Slave mode. NO L ...
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Accton Technology 1500 - page 22
EtherHub 1500 System User’s Guide 2-4 Hardware Description Serial (EtherHub-16mi + only) Color: Green Label: Serial Function: Indicates connection to a management console LED Activity Condition Indication BLINKING LIGHT ON Agent has a valid connection to a management console using its RS232 serial port. A valid link only occurs when the managemen ...
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Accton Technology 1500 - page 23
EtherHub 1500 System User’s Guide Hardware Description 2-5 Monitor (EtherHub-16i + only) Color: Green Label: Monitor Function: Indicates that an SNMP management agent is connected to and managing the hub LED Activity Condition Indication BLINKING ON Hub is connected to and managed by an Agent. NO LIGHT OFF Hub is not connected to an Agent. SNMP ( ...
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Accton Technology 1500 - page 24
EtherHub 1500 System User’s Guide 2-6 Hardware Description Jabber Color: Red Label: Jabber Function: Jabber lock-up indicator Jabber refers to an abnormal Ethernet frame transmission. The frames causing jabber are normally much too long. This may result from a malfunctioning Ethernet card and may cause data loss for all network users. LED Activit ...
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Accton Technology 1500 - page 25
EtherHub 1500 System User’s Guide Hardware Description 2-7 Alert Color: Yellow Label: Alert Function: Indicates hardware or hub ID setting problems LED Activity Condition Indication BLINKING LIGHT ON Ha rd war e or hub ID setting error has oc curred. NO LIGHT OFF No abnormal occurence. F The Alert LED indicates that the device has encountered a p ...
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Accton Technology 1500 - page 26
EtherHub 1500 System User’s Guide 2-8 Hardware Description These LEDs monitor the share of valid network frames transmitted by this hub within a 10Mbps bandwidth. They provide a quick way to monitor the current traffic load relative to the network’s capacity. Collision Label (%) Color Function 1% 3% 5% Green Indicates the percentage of packet 1 ...
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Accton Technology 1500 - page 27
EtherHub 1500 System User’s Guide Hardware Description 2-9 Segment LED Indicators Color: Green Label: Function: Indicates which segment is attached to the hub There are 3 Ethernet segments embedded in the FlexBus 1500 ports located on the back plane of the EtherHub 1500 series. These units can be attached to any one of the three Ethernet segments ...
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Accton Technology 1500 - page 28
EtherHub 1500 System User’s Guide 2-10 Hardware Description Hub ID Indicators Color: Green Label: Function: Indicates Unit ID Setting In a stacked system, each hub unit has a unique ID. The EtherHub 1500 hub series is equipped with a function that automatically sets the hub ID, freeing the user from this task. The table below shows possible displ ...
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Accton Technology 1500 - page 29
EtherHub 1500 System User’s Guide Hardware Description 2-11 PARTITION/DISABLE LED Activity Condition Indication STEADY RED LIGHT PARTITION Indicates port partitioning due to an abnormal network condition. BLINKING RED LIGHT DISABLE Indicates the port has been disabled NO LIGHT OFF Port is in good condition. F The PARTITION/DISABLE LEDs are also u ...
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Accton Technology 1500 - page 30
EtherHub 1500 System User’s Guide 2-12 Hardware Description LINK/TRAFFIC LED Activity Condition Indication STEADY GREEN LIGHT ON Indicates a valid link has been established on this port. BLINKING GREEN LIGHT ON Indicates the port is receiving packets; blinking is proportional to the traffic passing through the port. NO LIGHT OFF No valid link has ...
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Accton Technology 1500 - page 31
EtherHub 1500 System User’s Guide Hardware Description 2-13 Diagnostic Test LED Indicators The RJ-45 PARTITION/DISABLE LEDs not only monitor the partition or disabling of an RJ-45 port, they also monitor diagnostic test results. LED Activity Condition Indication BLINKING RED LIGHT ON The corresponding hardware component failed the diagnostic test ...
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Accton Technology 1500 - page 32
EtherHub 1500 System User’s Guide 2-14 Hardware Description The system tests each component one at a time. The corresponding LED will display a blinking light (ON) after test completion to indicate which component failed the test. No light means all the hub components passed the diagnostics. For EtherHub-16i + , the unit will complete the test cy ...
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Accton Technology 1500 - page 33
EtherHub 1500 System User’s Guide Hardware Description 2-15 STP Station Ports The unit has sixteen RJ-45 station ports. Using shielded or unshielded (STP or UTP) twisted-pair cable, connect your workstation (via the network interface card’s port) to any available RJ-45 port. Port 16 can be converted into a daisy-chain port by enabling the Daisy ...
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Accton Technology 1500 - page 34
EtherHub 1500 System User’s Guide 2-16 Hardware Description Rear Panel Displays This section describes significant features of the unit’s rear panel. See Figures 2.6 and 2.7 for illustration. Connectors IN OUT Flex Bus 1500 ON OFF ALT P ORT This device complies with Part 15 of the F CC Operation is subject to the following two (1) This device m ...
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Accton Technology 1500 - page 35
EtherHub 1500 System User’s Guide Hardware Description 2-17 BUS IN Using a FlexBus 1500 cable, connect this port to the BUS OUT port of an EtherHub-16i + or any EtherHub 1500 series hub. BUS OUT Using a FlexBus 1500 cable, connect this port to the BUS IN port of an EtherHub-16i + or any EtherHub 1500 series hub. F The unit also supports "hot ...
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Accton Technology 1500 - page 36
EtherHub 1500 System User’s Guide 2-18 Hardware Description BNC Module (10BASE2) The BNC module has a built-in transceiver with a BNC port for connection using thin coaxial cable. The BNC port can link up to 30 hubs on a thin coaxial cable segment. The thin coaxial cable that links the BNC ports may be extended up to 185 meters and have computers ...
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Accton Technology 1500 - page 37
3-1 Chapter 3: Hardware Installation This chapter describes how to install the hardware unit. Before You Begin 1. Before installing the hub, verify that the electrical values meet the following specifications. AC Power Frequency 100 to 240V ( ± 10%) 50 to 60Hz ( ± 3Hz) The hub is equipped with a power supply that automatically detects the input v ...
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Accton Technology 1500 - page 38
EtherHub 1500 System User’s Guide 3-2 Hardware Installation Hardware Installation 1. Find a location for the hub. The unit is suitable for desktop or rack-mount installation. A good location is at the center of all the devices you want to link, close to the trunk segment, and near a power outlet. F The EtherHub 1500 hubs can be stacked with other ...
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Accton Technology 1500 - page 39
EtherHub 1500 System User’s Guide Hardware Installation 3-3 Stacking Hubs without a Rack 1. Stick a self-adhesive rubber foot (comes with this package) on the 4 hollow spaces at the bottom of the first hub. 2. Place the first hub in the area where you want the stack to be installed. 3. Repeat step 1 for each hub before stacking them. The rubber f ...
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Accton Technology 1500 - page 40
EtherHub 1500 System User’s Guide 3-4 Hardware Installation Mounting Hubs on a Rack 1. Confirm that the rack you will use is an EIA standard-size 19-inch rack. 2. Use the screws provided with the mounting rack to mount the hub using the hub’s mounting brackets. EtherHub 1500 Hub ( U p to 10 Hubs ) Figure 3.2 Mounting Hubs Using a Mounting Rack ...
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Accton Technology 1500 - page 41
EtherHub 1500 System User’s Guide Hardware Installation 3-5 Connecting the Hub System 1. Plug one end of the FlexBus 1500 cable (provided) in the BUS OUT port of the top hub and the other end to the BUS IN port of the next hub. Repeat this step for each hub in the stack. The top hub should only have one FlexBus 1500 port in use (BUS OUT). Refer t ...
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Accton Technology 1500 - page 42
EtherHub 1500 System User’s Guide 3-6 Hardware Installation 3. Connect the hub to an Ethernet trunk, if necessary. (Applies only to hubs with a slide-in module transceiver installed in the ALT PORT.) For the default slide-in module, plug the BNC T-type connector into the BNC port of the hub, and use this port to connect the device to the RG-58A/U ...
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Accton Technology 1500 - page 43
EtherHub 1500 System User’s Guide Hardware Installation 3-7 The unit will automatically select the setting that matches the input voltage connected. Therefore, no additional adjustments are necessary when connecting it to any input voltage within the range marked on the rear panel. F The unit supports a "hot remove" feature which permit ...
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Accton Technology 1500 - page 44
EtherHub 1500 System User’s Guide 3-8 Hardware Installation Remote Out-of-Band Configuration If you use a remote PC to configure the EtherHub 1500 via modem connections, at the remote site make sure the modem’s baud rate is 9600 and that the AT com mand is supported. EtherHub 1500 Site Connect the DB9 to RJ45 converter for the EtherHub-16mi’s ...
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Accton Technology 1500 - page 45
EtherHub 1500 System User’s Guide Hardware Installation 3-9 to Mod em to Hu b 9-PI N IN OUT SERIAL PORT FLEX-BUS 15 00 ALT POR T Mode m black c olor gray co lor PC Modem PSTN Figur e 3.5 Connecting the Remot e PC ’s RS232 Ser ial Por t t o a Modem Running the Out-of-Band Configuration Program Run Accton’s EtherHub 1500 System Configuration Pr ...
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Accton Technology 1500 - page 46
EtherHub 1500 System User’s Guide 3-10 Hardware Installation In-Band Configuration If you use AccView/Open or other network management software to configure the EtherHub 1500, then set up your in- band Network Management Station. The in-band network management station is the personal computer used to run your network management software. It shoul ...
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Accton Technology 1500 - page 47
EtherHub 1500 System User’s Guide Hardware Installation 3-11 2. Turn it off again before exceeding 30 sec onds to prevent it from returning to a Master mode. 3. Add the newly configured Slave agent to the Hub stack using the FlexBus 1500 cable. 4. Turn the Slave agent on again. The new agent will start to function as a backup to the SNMP system. ...
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Accton Technology 1500 - page 48
4-1 Chapter 4: Setup and Configuration System Setup Diagnostic Tests Upon Power On Upon power on, the system performs an internal self-diagnostic test of major hub components. If any component fails during the test, the hub will try to complete the diagnostic procedure. Otherwise, the system will hang. For related information, refer to Diagnostic T ...
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Accton Technology 1500 - page 49
EtherHub 1500 System User’s Guide 4-2 Setup and Configuration During Normal Operation You can use the Configure button any time you want the system to perform a diagnostic test. However, when testing begins, the system leaves normal operation. If no problem is encountered by diagnostics, the system automatically returns to normal operation. Multi ...
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Accton Technology 1500 - page 50
EtherHub 1500 Sy stem User’s Guide Setup and Configuration 4-3 FlexBus 1500 Management Link The management link in a chain of cascaded hubs must be connected to manage the stack as a single unit. This means that only hubs connected using the FlexBus 1500 can be controlled by an SNMP management agent. At most, 10 hubs can be managed and linked tog ...
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Accton Technology 1500 - page 51
EtherHub 1500 System User’s Guide 4-4 Setup and Configuration Slave agent will be replaced by the Master agent’s data. As a result, the Slave agent will assume the Master’s IP address when taking over the system. To manage the stack using the out-of- band control program after the Slave has assumed control, plug your PC or modem into the DTE ...
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Accton Technology 1500 - page 52
EtherHub 1500 Sy stem User’s Guide Setup and Configuration 4-5 Hot Remove Function The EtherHub 1500 system supports a “hot remove” capability that allows you to connect/disconnect the EtherHub 1500 hubs from the system without disrupting the network Preparing for Configuration Management There are two methods for configuring the EtherHub 150 ...
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Accton Technology 1500 - page 53
EtherHub 1500 System User’s Guide 4-6 Setup and Configuration Activate the EtherHub 1500 System Configuration Program from a local console or via modem connection as described below. This will open the communication dialog box shown in Figure 4.1 . From a local console - Type “ EH15SCP ” at the DOS prompt C:> EH15SCP From a remote modem c ...
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Accton Technology 1500 - page 54
EtherHub 1500 Sy stem User’s Guide Setup and Configuration 4-7 Figure 4.2 DCE/DTE Dialog Box 4. Select the appropriate option in the DCE/DTE dialog box: • Terminal Channel for local hookup. • Modem Channel for remote connection via modems. Select Modem Channel to open the Phone List menu as shown in Figure 4.3 . Enter the phone number and pre ...
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Accton Technology 1500 - page 55
EtherHub 1500 System User’s Guide 4-8 Setup and Configuration EtherHub 1500 System Configuration Program (EtherHub-16mi + only) Accton provides a proprietary, user-friendly, menu driven out- of-band program (EtherHub 1500 System Configuration Program). This program allows you to configure the stack using a PC directly attached to the RS232 port o ...
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Accton Technology 1500 - page 56
EtherHub 1500 Sy stem User’s Guide Setup and Configuration 4-9 System Menu Information Configuration Trap Managers Download Restart Factory Settings Displays EtherHub system information. Modifies various parameter settings necessary for communicating with the management agent. Selects management stations to receive trap messages from the system. ...
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Accton Technology 1500 - page 57
EtherHub 1500 System User’s Guide 4-10 Setup and Configuration Changing System Configuration Use the Configuration command from the System Menu to modify current values for the following parameters: Parameter Description IP Address IP address of the agent you’re managing. The EtherHub system may be run on SNMP protocol over UDP/IP transport pro ...
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Accton Technology 1500 - page 58
EtherHub 1500 Sy stem User’s Guide Setup and Configuration 4-11 Downloading System Software Use the Download command from the System Menu to load available software updates into the agent’s flash ROM . The download file should be an EtherHub 1500 *.bin file from Accton Technology Corporation; otherwise the agent will not accept it. Invoking thi ...
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Accton Technology 1500 - page 59
EtherHub 1500 System User’s Guide 4-12 Setup and Configuration Control Menu Hub Port Backup Port Push Button Includes hub description and commands to isolate/reattach network connection, or assign hub to a specified segment. Includes port description and command to enable/disable selected port. Defines master/slave port pairs used for emergency b ...
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Accton Technology 1500 - page 60
EtherHub 1500 Sy stem User’s Guide Setup and Configuration 4-13 Configuring Port Parameters Use the Port command from the Control menu to configure the ports for any hub in the stack. (Select the required hub using the <F4> and <F5> function keys.) This menu provides a brief description of the selected hub, and also allows you to enab ...
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Accton Technology 1500 - page 61
EtherHub 1500 System User’s Guide 4-14 Setup and Configuration Setting the External Configure Buttons Use the Push Button command in the Control Menu to disable or enable the Configure button on any hub. Performance Menu Displays statistics for the System (entire stack), selected Segment , selected Hub , or all Ports on a specified hub. (Select a ...
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Accton Technology 1500 - page 62
EtherHub 1500 Sy stem User’s Guide Setup and Configuration 4-15 To set thresholds, 1. Open the Threshold dialog box from the menu bar. 2. Select the system component (Type: System, Any Hub, Any Port, Select Hub, Select Port). If you choose Select Hub or Select Port, then choose the Hub ID or Port ID using the <F2> function key. 3. Select th ...
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Accton Technology 1500 - page 63
EtherHub 1500 System User’s Guide 4-16 Setup and Configuration Using the Configure Button Depending on the model you purchased, there are 5 (EtherHub- 16i + ) or 6 (EtherHub-16mi + ) configuration functions accessed in sequence using the Configure button, including: • Segment Setting • Hub ID Setting • Master Agent Setting (EtherHub-16mi + ...
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Accton Technology 1500 - page 64
EtherHub 1500 Sy stem User’s Guide Setup and Configuration 4-17 • A " short press " is used to switch betw een the selections available within each function . For example, in Segm ent Setting, there are 4 selections av ailable. B y using a "short press" on the Configure button, you can mov e from one selection (e.g., Attach ...
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Accton Technology 1500 - page 65
EtherHub 1500 System User’s Guide 4-18 Setup and Configuration Selections Available This section shows the selections available for each function and the corresponding LED display. The functions are listed here in sequence. Segment Setting Active LEDs: Segment LEDs Attach the hub to one segment. Segment LED 1 Segment LED 2 Segment LED 3 Segment N ...
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Accton Technology 1500 - page 66
EtherHub 1500 Sy stem User’s Guide Setup and Configuration 4-19 Master Agent Setting (EtherHub-16mi + only) Active LEDs: PARTITION/DISABLE LED 1 LINK/TRAFFIC LED 1 (labeled Master ) You can set the hub as a Master (main) or Slave (backup) agent. If the Master agent fails, the Slave agent takes over its functions. LED Activity Selection LINK/TRAFF ...
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Accton Technology 1500 - page 67
EtherHub 1500 System User’s Guide 4-20 Setup and Configuration Diagnostic function Active LEDs: PARTITION/DISABLE LED 2 (EtherHub-16i + ) PARTITION/DISABLE LED 3 (EtherHub-16mi + ) LINK/TRAFFIC LED(labeled Diag) Enabling the Diagnostic function will activate diagnostic tests similar to the one performed upon power on. For diagnostic test details, ...
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Accton Technology 1500 - page 68
5-1 Chapter 5: Applications The EtherHub 1500 series stackable hubs are designed to provide network installers flexibility in configuring their network connections. A hub can be used as a simple stand- alone hub or connected with other hubs using various configurations. This chapter includes network applications using the multi-segment architecture ...
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Accton Technology 1500 - page 69
EtherHub 1500 System User’s Guide 5-2 Applications Attaching Stack to Three Segments This example shows 3 independent Ethernet LANs in a stacked system. Hubs 1, 2 and 3 are attached to segment 2, while hubs 4 to 7 are attached to segment 1, and hubs 8 to 10 are attached to segment 3. EtherHub1500 AGENT EtherHub1500 HUB MANAGE MENT CHANNEL SEG. LI ...
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Accton Technology 1500 - page 70
EtherHub 1500 System User’s Guide Applications 5-3 Attaching Stack to Multiple Segments You can interconnect the hubs in a stack using a multi-segment configuration. In a stacked system, some hubs may be connected to a segment while others are isolated (not attached to a segment). In this example, hubs 1 and 2 are attached to segment 2, hubs 3 to ...
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Accton Technology 1500 - page 71
EtherHub 1500 System User’s Guide 5-4 Applications Each Hub is Isolated In this example, each hub in the stack is an independent segment (isolated). Hubs 2 to 10 are not connected to any of the 3 segments embedded in the FlexBus 1500 cabling; while the EtherHub-16mi + (EtherHub 1500 Agent), though attached to Segment 1, is functionally isolated. ...
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Accton Technology 1500 - page 72
EtherHub 1500 System User’s Guide Applications 5-5 Extending the Netw ork w ith STP/BNC Connecti ons Extend your network by connecting any of the hubs in a stacked system to other compatible hubs using the STP and/or ALT port connections. In the diagram below, a stand-alone hub is connected to hub 5 in the stacked system using the STP connection. ...
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Accton Technology 1500 - page 73
EtherHub 1500 System User’s Guide 5-6 Applications Linking a Stack to a Network Management Station In a stacked system, connect the in-band management workstation to the same segment that the management agent is attached to. In this example, the management agent is attached to segment 1. Thus, the in-band management workstation (e.g., running Acc ...
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Accton Technology 1500 - page 74
EtherHub 1500 System User’s Guide Applications 5-7 Interconnecting Segments The 3 segments within a stacked system can be combined into an interconnected network using Accton’s EtherHub-SBH. Connect the EtherHub-SBH to the hub management agent as illustrated below. ETHERHU B1500 AGENT ETHERHUB1500 HUB SEGMEN T 1 SEGM ENT 2 SEGMENT 1 SEGMEN T 2 ...
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Accton Technology 1500 - page 75
EtherHub 1500 System User’s Guide 5-8 Applications Linking a Distributed Segment Hubs installed at various locations can be managed by a single EtherHub 1500 Agent when they are connected to the Agent via a FlexBus 1500 port connection. Hubs can be connected to a single-segment domain (i.e., one segment common to all hubs controlled by the manage ...
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Accton Technology 1500 - page 76
EtherHub 1500 System User’s Guide Applications 5-9 Linking Distributed Segments Hubs installed at various sites can be managed by a single EtherHub 1500 Agent when they are connected to the Agent via the FlexBus 1500 port connection. However, all hubs must be connected to the same segment at the central site. The segment setting for hubs at all o ...
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Accton Technology 1500 - page 77
A-1 Appendix A: Product Specifications Features Expansion Up to 10 modules (170 station ports) Expansion Interface FlexBus 1500 cable Segmentation Supports 3 or more segments in a stack Fault Tolerance Hot swappable modules; backup SNMP agent and redundant port link (for EtherHub-16mi + ) Physical Characteristics Station Ports 16 10BASE-T (RJ-4 ...
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Accton Technology 1500 - page 78
EtherHub 1500 System User’s Guide A-2 Product Specifications Specifications for FlexBus 1500 Cable The FlexBus 1500 is a category 5 STP cable used to connect stacked EH1500+ or compatible hubs. It supports segment configuration setup and management functions for EH1500+ or compatible hubs. Its specifications are listed below: Cable performance le ...
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Accton Technology 1500 - page 79
EtherHub 1500 System User’s Guide Product Specifications A-3 Attenuation for Horzontal FlexBus 1500 Cable Maximum Attenuation in dB for 305m (1000ft) of cable @ 20 ° C Frequency (MHz) db 0.064 2.2 0.256 3.2 0.512 4.5 0.772 5.5 1 6.3 41 3 81 8 10 20 16 25 20 28 25 32 31.25 36 62.5 52 100 67 Table A-1 NEXT for Horizontal FlexBus 1500 Cable Worst P ...
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Accton Technology 1500 - page 80
EtherHub 1500 System User’s Guide A-4 Product Specifications Standards Compliance Standards Ethernet-IEEE 802.3 Repeater Standard and Repeater Management Standard Safety UL 1950 USA CSA 22.2-950 Canada TÜV/GS/EN60950 Germany IEC 950 International Electromagnetic Emissions FCC Class A Electrostatic IEC 801.2, EN55101-2 RS IEC 801.3, EN55101-3 EFT ...
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Accton Technology 1500 - page 81
B-1 Appendix B: Pin Assignments The following table lists the pin assignments for each pair used in the FlexBus 1500 cable. FlexBus 1500 Pin Description FlexBus 1500 4-pair Wiring Color Codes & Functions Pair Pin Color Function 14 5 White/Blue Blue/White Segment 2 21 2 White/Orange Orange/Blue Segment 3 33 6 White/Green Green/Blue Segment 1 47 ...
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Accton Technology 1500 - page 82
EtherHub 1500 System User’s Guide B-2 Pin Assignments DB9 Serial Port to RJ-45 Converter Connector Pin Assignment Description RJ-45 Pin Mapping EH1502s DB9 Connector DTR (Data Terminal Ready) 1 4 RxD (Received Data) 2 2 TxD (Transmitted Data) 3 3 SG (Signal Ground) 4 5 RI (Ring Indicator) 5 9 CTS (Clear-to-Send) 6 8 RTS (Request-to-Send) 7 7 DCD ...
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Accton Technology 1500 - page 83
EtherHub 1500 System User’s Guide Pin Assignments B-3 DB25 RS232 to RJ-45 Converter Connector Pin Assignment Description RJ-45 Pin Mapping EH1502s DB25 Connector DTR (Data Terminal Ready) 1 20 RxD (Received Data) 2 3 TxD (Transmitted Data) 3 2 SG (Signal Ground) 4 7 RI (Ring Indicator) 5 22 CTS (Clear-to-Send) 6 5 RTS (Request-to-Send) 7 4 DCD (D ...
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Accton Technology 1500 - page 84
EtherHub 1500 System User’s Guide B-4 Pin Assignments Connection from EH1502 9- Pin Serial Port to Modem’ s 25-Pin DCE Port EH1502’s 9-Pin Modem’s 25-Pin Serial Port DCE Port 1 < ---------- DCD ---------- 8 2 < ---------- RXD ---------- 3 3 ------------ TXD -------- > 2 4 ------------ DTR -------- > 20 5 ----------- SGND ------- ...
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Accton Technology 1500 - page 85
C-1 Appendix C: Product Support Services Product Registration Fill in the Owner Registration Card and mail it to Accton Technology Corporation. Accton will keep your record and inform you of any new Accton unit developments. Problem Report If problems occur during unit operation, please check the adapter configuration settings, cables, connectors, ...
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Accton Technology 1500 - page 86
EtherHub 1500 System User’s Guide C-2 Product Support Services After repair, Accton will inform you of the date of delivery and the exact amount due. Please send the payment by T/T (Telegram Transfer), and Accton will send you the fixed component after receiving payment. With or without warranty, if the hardware is found to be free of defects, yo ...
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Accton Technology 1500 - page 87
EtherHub 1500 System User’s Guide Product Support Services C-3 Interactive Fast Fax (U.S.A. office) Printed technical documentation can be FAX’ed to your FAX machine, 24-hours a day. • Call 408-452-8811 to reach Accton’s interactive Fast FAX service. You will need a Touch-Tone phone and a FAX machine (or equivalent). Choose document 911 for ...
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Accton Technology 1500 - page 88
EtherHub 1500 System User’s Guide C-4 Product Support Services Limited Warranty Accton warrants to the original owner that the product delivered in this package will be free from defects in material and workmanship for the lifetime of the product. For the warranty to apply, you must register your purchase by returning the registration card indica ...
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Accton Technology 1500 - page 89
EtherHub 1500 System User’s Guide Product Support Services C-5 Return Process Before you may return any Accton product to Accton, you must request an RMA number by calling, FAXing or writing Accton’s Service Department at the address listed below. If you ship the product, you must assume the risk of damage or loss in transit. You must use the o ...
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Accton Technology 1500 - page 90
EtherHub 1500 System User’s Guide C-6 Product Support Services Ordering Information • EtherHub-16i + (EH1501s) Intelligent 16-port 10BASE-T (RJ-45) multi- segment Ethernet hub with one 10BASE2 (BNC) backbone port • EtherHub-16mi + (EH1502s) Intelligent 16-port 10BASE-T (RJ-45) multi- segment hub with one 10BASE2 (BNC) backbone port and SNMP a ...
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Accton Technology 1500 - page 91
Glossary 1 Glossary 10BASE-T IEEE’s specifications for running Ethernet using twisted-pair. AccView/Open AccView/Open is a complete network management product with modules for managing Accton devices. Alt Port An optional port found on the backplane of the EtherHub. A BNC, AUI or Fiber-Optic module can be installed in the ALT port. AUI (attachmen ...
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Accton Technology 1500 - page 92
EtherHub 1500 System User’s Guide 2 Glossary A 16-port intelligent hub with an SNMP-based network management agent. It is a component of Accton’s EtherHub 1500 System. Ethernet A network communication system developed and standardized by DEC, Intel, and Xerox, using baseband transmission, CSMA/CD access, logical bus topology, and coaxial cable. ...
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Accton Technology 1500 - page 93
EtherHub 1500 System User’s Guide Glossary 3 Type of architecture that enhances traffic management and network bandwidth utilization by segregating network traffic. Network Management Station The computer used to run AccView/Open. It is used by the network manager to monitor the network. Out-of-Band A way of communicating with a network device fr ...
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Accton Technology 1500 - page 94
1 Index A Accton’s Out-of-Band Program EtherHub 1500 System Configuration Program • 4-8 AccView/Open • 1-2, 1-4, 1-5, 2-11 Alert LED • 2-7 Allignment Errors • 4-14 ALT Port • 2-17, 2-18 Alternative Interface Module • 1-4 Applications • 5-1 Attaching Hubs in Stack to Multi-Segments • 5-3 Attaching Hubs in Stack to Three Segments ? ...
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Accton Technology 1500 - page 95
EtherHub 1500 System User’s Guide 2 Index EtherHub-SBH • 1-3 Event Activation • 4-15 F Factory Settings • 4-9 FCC Warning • i flash ROM • 4-11 FlexBus 1500 • 2-16 Management Link • 4-3 Specifications • A-2 Frame • 4-14, 4-15 Frame alignment errors • 4-15 H Hardware Description • 2-1 Front Panel • 2-1 Rear Panel • 2-16 Ha ...
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Accton Technology 1500 - page 96
EtherHub 1500 System User’s Guide Index 3 O Ordering Information • C-6 Out-of-Band Configuration • 4-5 Out-of-Band Configuration Program • 3-9 P partition • 4-13 PARTITION/DISABLE LEDs • 2-11 Performance Menu • 4-14 Pin Assignments Connection f rom EH1502 9- Pin Seri al Port to Modem 's 25-Pin D CE Port • B-4 Connection from EH ...
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Accton Technology 1500 - page 97
EtherHub 1500 System User’s Guide 4 Index Timeout (Downloading) • 4-11 Total Errors • 4-14, 4-15 Traffic • 2-12 Trap Managers • 4-9 TROUBLESHOOTING • 2-12 U Using the Configure Button • 4-16 Utilization LEDs • 2-7 ...
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Accton Technology 1500 - page 98
EH1501s EH1502s E0895-R01 150482-101 ...
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