background image

 

SEH100TX User’s Guide

1-1

 

CHAPTER 1

INTRODUCTION

 

Welcome to the Cabletron Systems 

 

SEH100TX-22 100BASE-T 

Stackable Hub User’s Guide

 

. This manual provides installation 

instructions, troubleshooting and reference information for the 
SEH100TX-22.

 

1.1

USING THIS  MANUAL

 

Read through this manual to gain an understanding of the features and 
capabilities of the SEH. A general knowledge of Ethernet and IEEE 
802.3u type data communications networks and their physical layer 
components is helpful when installing the SEH.

Chapter 1, 

 

Introduction

 

, outlines the contents and describes the 

objectives and conventions of this manual. This chapter also provides 
information about how to get help and concludes with a list of related 
manuals.

Chapter 2, 

 

SEH Features and Options

 

, briefly describes SEH features 

and provides information about available options.

Chapter 3, 

 

Installation Requirements and Specifications

 

, provides 

installation requirements, network guidelines, and SEH specifications.

Chapter 4,  

 

Installation

 

, contains instructions for installing the SEH as a 

stackable or standalone hub. 

Chapter 5, 

 

Connecting to the Network

 

, explains how to connect the SEH 

to the network using the various media types.

Chapter 6, 

 

 Troubleshooting

 

, describes how to use the LANVIEW LEDs 

to troubleshoot network problems.

Appendix A,  

 

EPIM Information

 

,

 

 

 

provides specifications, cabling 

information, and switch settings for the Ethernet Port Interface Modules.

NOTE

 

The terms SEH (Stackable Ethernet Hub) and SEHI (Stackable 
Ethernet Hub with Intelligence) are used throughout this 
manual when referring to the SEH100TX-22 and the 
SEHI100TX-22, respectively.

Содержание SEH100TX-22

Страница 1: ...SEH100TX 22 100BASE T STACKABLE HUB USER S GUIDE...

Страница 2: ......

Страница 3: ...names mentioned in this manual may be trademarks or registered trademarks of their respective companies FCC NOTICE This device complies with Part 15 of the FCC rules Operation is subject to the follow...

Страница 4: ...ng radio interference in commercial and or industrial areas Consequently when used in a residential area or in an adjacent area thereto radio interference may be caused to radios and TV receivers etc...

Страница 5: ...IN NO EVENT SHALL CABLETRON OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING WITHOUT LIMITATION DAMAGES FOR LOSS OF BUSINESS PROFITS BUSINESS INTERRUPTION LOSS OF BUSINESS INFORMATION S...

Страница 6: ...22 EN 50082 1 EN 60950 Equipment Type Environment Networking Equipment for use in a Commercial or Light Industrial Environment We the undersigned hereby declare under our sole responsibility that the...

Страница 7: ...IMs 2 4 CHAPTER 3 INSTALLATION REQUIREMENTS AND SPECIFICATIONS 3 1 Cable Specifications 3 1 3 1 1 HubSTACK Interconnect Cable Requirements 3 1 3 1 2 UTP Cable Specifications 3 2 3 1 3 Multimode Fiber...

Страница 8: ...r 4 8 4 5 Installing an EPIM 4 8 CHAPTER 5 CONNECTING TO THE NETWORK 5 1 Connecting the SEH100TX 22 to the Network 5 1 5 1 1 Connecting to Network Ports 5 1 5 1 2 Connecting to an EPIM 100TX 5 2 5 1 3...

Страница 9: ...of related manuals Chapter 2 SEH Features and Options briefly describes SEH features and provides information about available options Chapter 3 Installation Requirements and Specifications provides in...

Страница 10: ...der s attention to any item of information that may be of special importance TIP Tip symbol Conveys helpful hints concerning procedures or actions CAUTION Caution symbol Contains information essential...

Страница 11: ...ironment layout cable type etc Network load and frame size at the time of trouble if known The serial and revision numbers of all Cabletron Systems products in the network The device history i e have...

Страница 12: ...HI100TX 22 100BASE T Intelligent Stackable Hub User s Guide to supplement the procedures and other technical data provided in this manual The procedures contained in the SEHI100TX 22 100BASE T Intelli...

Страница 13: ...ed throughout this manual when referring to the SEH100TX 22 and the SEHI100TX 22 respectively PWR MGMT CLN HubSTACK 100BASE TX HUB WITH LANVIEW SEH100TX 22 22X 21X 20X 19X 18X 17X 11X 10X 9X 8X 7X 6X...

Страница 14: ...y two Data Terminal Equipment DTE devices within a single collision domain network The SEH automatically partitions problem segments and reconnects repaired segments to the network This feature minimi...

Страница 15: ...s with one SEHI The SEHI is placed at the bottom of the stack It manages all SEH hubs in the stack and provides full packet and error statistics for the entire stack individual devices or individual p...

Страница 16: ...through different types of media Cabletron Systems offers three optional EPIMs for the SEH100TX 22 and SEHI100TX 22 as shown in Table 2 1 For more details about the EPIMs refer to Appendix A Table 2...

Страница 17: ...y of the connections and the length of cables are critical factors in determining the reliability of the network The following sections provide the specifications for each media type 3 1 1 HubSTACK In...

Страница 18: ...s 328 feet Category 5 cables are marked on the cable jacket as Cat 5 Category 5 Level 5 Level V or an equivalent Impedance UTP cables typically have an impedance of between 85 and 110 ohms Jitter Inte...

Страница 19: ...PIM 100FX or EPIM 100FMB module the network must meet the following requirements Cable Loss Test the fiber optic cable with a fiber optic attenuation test set adjusted for an 850 nm wavelength This te...

Страница 20: ...e up to 100 meters long for a maximum network length of 200 meters If segment A is UTP and segment B is fiber optic the maximum length of the network is 263 meters with a maximum UTP segment length of...

Страница 21: ...shows the RJ45 pinouts Figure 3 2 RJ45 Network Port Pinouts CAUTION The maximum length of an individual UTP segment may be no more than 100 meters for proper operation Table 3 1 Maximum Class I Netwo...

Страница 22: ...ed in this section Operating Temperature 5 C to 40 C 41 F to 104 F Storage Temperature 30 C to 73 C 22 F to 164 F Operating Humidity 15 to 95 non condensing 3 5 AGENCY APPROVALS The safety emission an...

Страница 23: ...quirements of EN 50082 1 including IEC 801 2 ESD IEC 801 3 Radiated Susceptibility and IEC 801 4 EFT B 3 6 PHYSICAL SPECIFICATIONS This section details the physical specifications for the SEH Dimensio...

Страница 24: ...Chapter 3 Installation Requirements and Specifications 3 8 SEH100TX User s Guide...

Страница 25: ...ing the SEH Section 4 4 Installing Optional EPIMs Section 4 5 4 1 UNPACKING THE SEH Unpack the SEH as follows 1 Remove the shipping material covering the SEH in the shipping box 2 Carefully remove the...

Страница 26: ...stack Maintain a temperature of between 5 C 41 F and 40 C 104 F at the installation site with fluctuations of less than 10 C per hour The SEH must be located within seven feet of its power source and...

Страница 27: ...SEH as follows 1 Locate the strain relief bracket and four 8 32 x 3 8 inch pan head screws from the rackmount kit 2 Attach the strain relief bracket to the bottom of the SEH Figure 4 2 Figure 4 2 Atta...

Страница 28: ...m underneath and align the mounting brackets of the SEH chassis with the screw holes in the equipment rack as shown in Figure 4 4 Fasten the SEH to the equipment rack securely Do not remove the cover...

Страница 29: ...e SEH stack proceed to Section 4 4 2 CAUTION Failure to follow this procedure may result in damage to the equipment CAUTION If you are using an intelligent hub SEHI to manage the stack you must locate...

Страница 30: ...til the CPU LED is a steady blinking green 3 Power up the SEH above the SEHI in the stack by plugging the power cord into the back panel of the SEH and plugging the other end into a grounded receptacl...

Страница 31: ...ected CAUTION Do not leave an interconnect cable connected at only one end during network operation Corrupted data may result 100BASE TX HubSTACK Interconnect Cable REAR VIEW SEHI Managing 4 SEH Non I...

Страница 32: ...ect cable to the OUT port on the rear panel of the first SEH in the stack 5 Continue connecting ports in this manner until all hubs are connected 4 5 INSTALLING AN EPIM This section contains procedure...

Страница 33: ...s 2 Slide the new EPIM into place making sure that the connectors on the rear of the EPIM align correctly and firmly with the connector inside the SEH Refer to Figure 4 6 3 Tighten the mounting screw...

Страница 34: ...Chapter 4 Installation 4 10 SEH100TX User s Guide...

Страница 35: ...ion 5 1 3 Prior to connecting the network cabling check the connectors for the proper pinouts as shown in Chapter 3 5 1 1 Connecting to Network Ports Attach UTP segments to the RJ45 network ports on t...

Страница 36: ...k the cable for continuity d Check that the twisted pair connection meets the cable specifications outlined in Section 3 1 2 If a link is not established contact Cabletron Systems Technical Support Re...

Страница 37: ...twisted pair segment as follows 1 Connect the twisted pair segment to the module by plugging the RJ45 connector on the twisted pair segment into the RJ45 port on the module See Figure 5 2 2 Plug the...

Страница 38: ...a fiber segment to the EPIM 100FX or EPIM 100FMB 1 Remove the protective plastic covers from the fiber optic ports on the module port and from the ends of the connectors 2 Insert one end of the SC con...

Страница 39: ...optic connection meets the dB loss specifications outlined in Section 3 1 3 If a link is not established contact Cabletron Systems Technical Support Refer to Section 1 3 for instructions on getting he...

Страница 40: ...Chapter 5 Connecting to the Network 5 6 SEH100TX User s Guide...

Страница 41: ...plicable for the port is on If the LED is off perform each of the following steps until it is on a Check that the 100BASE T device at the other end of the twisted pair segment is powered up b Verify t...

Страница 42: ...hed segment The affected port remains segmented until a good packet is transmitted received without collisions If the LNK LED is still off contact Cabletron Systems Technical Support 6 2 USING LANVIEW...

Страница 43: ...the SEH NOTE Flashing indicates an irregular LED pulse Blinking indicates a steady LED pulse LED NAME PWR Power MGMT Management CLN Collision RCV Receive LNK Link LED COLOR Off Green Solid Green Flas...

Страница 44: ...ashes it indicates that a collision has occurred on one of the ports RCV When a yellow RCV LED flashes it indicates that the SEH is receiving data packets from the associated port segment Each SEH por...

Страница 45: ...100TX is an RJ45 connector supporting Unshielded Twisted Pair UTP cabling The slide switch on the EPIM 100TX determines the crossover status of the cable pairs If the switch is on the X side the pairs...

Страница 46: ...ptical overshoot A peak power meter must be used to correctly compare the values given above to those measured on any particular port If power levels are being measured with an average power meter add...

Страница 47: ...typically to a switch port The maximum 100BASE T collision domain using UTP cable to the desktop and fiber cable in the next domain or switch port is only 263 meters 100 meters of UTP and 163 meters o...

Страница 48: ...ter optical overshoot A peak power meter must be used to correctly compare the values given above to those measured on any particular port If power levels are being measured with an average power mete...

Страница 49: ...M specifications EPIM 100FMB A 3 EPIM 100FX A 2 EPIM 100TX A 1 EPIM 100FMB connection of 5 4 EPIM 100FX connection of 5 4 EPIM 100TX connection of 5 2 H Help related manuals 1 4 HubSTACK cable require...

Страница 50: ...3 6 SEH features 2 2 SEH100TX 22 connection of 5 1 Size dimensions 3 7 Specifications environmental requirements 3 6 power supply requirements 3 6 SEH network ports 3 5 T Testing 5 5 Troubleshooting 6...

Страница 51: ...die Anwendung des Geraetes geeignet und der zum Benuetzen im Lande der Anwendung anerkannt ist SPANISH El cable principal de la red el ctrica utilizado con este equipo debe tener 2 conductores y 1 to...

Страница 52: ......

Отзывы: