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CONTENTS

vi

CHAPTER 3

INSTALLATION

3.1

Unpacking And Handling The TRMIM-62A ..................................3-1

3.2

Installing The TRMIM-62A ...........................................................3-2

3.3

Attaching Stations ........................................................................3-4

3.4

Checking The Installation.............................................................3-6

CHAPTER 4

MONITORING AND TROUBLESHOOTING

4.1

Using LANVIEW LEDs .................................................................4-1

4.2

Troubleshooting The Network ......................................................4-3

INDEX

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Summary of Contents for TRMIM-62A

Page 1: ...TRMIM 62A TOKEN RING MEDIA INTERFACE MODULE USER S GUIDE ...

Page 2: ......

Page 3: ...IMITED TO LOST PROFITS ARISING OUT OF OR RELATED TO THIS MANUAL OR THE INFORMATION CONTAINED IN IT EVEN IF CABLETRON SYSTEMS HAS BEEN ADVISED OF KNOWN OR SHOULD HAVE KNOWN THE POSSIBILITY OF SUCH DAMAGES Copyright 1996 by Cabletron Systems Inc P O Box 5005 Rochester NH 03866 5005 All Rights Reserved Printed in the United States of America Order Number 9031753 01 October 1996 SPECTRUM LANVIEW and F...

Page 4: ... or modifications made to this device which are not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment DOC NOTICE This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications Le présent appareil num...

Page 5: ...l be interpreted and governed under the laws and in the state and federal courts of New Hampshire You accept the personal jurisdiction and venue of the New Hampshire courts EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY 1 EXCLUSION OF WARRANTY Except as may be specifically provided by Cabletron in writing Cabletron makes no warranty expressed or implied concerning the Program including its docu...

Page 6: ...espects is proprietary data belonging to Cabletron and or its suppliers For Department of Defense units the product is licensed with Restricted Rights as defined in the DoD Supplement to the Federal Acquisition Regulations Section 52 227 7013 c 1 ii and its successors and use duplication disclosure by the Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Te...

Page 7: ...itoring With LANVIEW LEDs 1 5 1 5 Related Manuals 1 5 1 6 Recommended Reading 1 6 CHAPTER 2 REQUIREMENTS AND SPECIFICATIONS 2 1 Installation Guidelines 2 1 2 2 Management Module Requirements 2 2 2 3 Cabling Guidelines 2 2 2 3 1 Maintaining Port Cabling Impedance Matching 2 2 2 3 2 Recommended Lobe Lengths 2 2 2 4 Setting The Ring Speed 2 3 2 4 1 Management Configuration Overrides 2 4 2 5 General S...

Page 8: ...packing And Handling The TRMIM 62A 3 1 3 2 Installing The TRMIM 62A 3 2 3 3 Attaching Stations 3 4 3 4 Checking The Installation 3 6 CHAPTER 4 MONITORING AND TROUBLESHOOTING 4 1 Using LANVIEW LEDs 4 1 4 2 Troubleshooting The Network 4 3 INDEX ...

Page 9: ...nd how to troubleshoot any operational or installation problems that may arise The TRMIM 62A see Figure 1 1 is an IEEE 802 5 compliant Token Ring Media Interface Module MIM providing 12 coaxial lobe connection ports It is designed for installation into Cabletron Systems series of Multi Media Access Centers MMACs Figure 1 1 The TRMIM 62A COAXIAL TOKEN RING J ING 1 2 3 4 5 6 7 8 9 10 11 12 TRMIM 62A...

Page 10: ... conventions are used throughout this document 1 3 USING THIS MANUAL Prior to installing and operating the TRMIM 62A read through this manual to familiarize yourself with the features of the TRMIM 62A You should have a general working knowledge of the IEEE 802 5 standard for Token Ring networks before installing and operating the TRMIM 62A or attempting to troubleshoot any installation network pro...

Page 11: ...lling the TRMIM 62A and for connecting stations to the TRMIM 62A Chapter 4 Monitoring and Troubleshooting describes how to use LANVIEW LEDs Cabletron Systems front panel diagnostic and status monitoring system It also describes troubleshooting procedures used to help resolve network installation problems 1 4 TRMIM 62A FEATURES This section describes TRMIM 62A features and capabilities 1 4 1 Active...

Page 12: ...ing the speed fault violation The port s corresponding LED indicates the port bypassed and the station is denied access to the ring See Chapter 4 for more information about LEDs 1 4 4 Beaconing Protection Protection against debilitating beaconing conditions is provided by the Cabletron Systems Automatic Beacon Recovery Process ABRP algorithm included with the operating code of the management modul...

Page 13: ... shipped with products typically used in conjunction with the TRMIM 62A They provide necessary technical information about their products interoperability with the TRMIM 62A and other Token Ring devices MultiMedia Access Center Overview and Set Up Guide information about setting up an MMAC TRMM TRMMIM Installation Guide information about configuring and installing the Token Ring management modules...

Page 14: ...wing publications provide information useful for designing and implementing Token Ring networks Local Area Networks IEEE Standard 802 5 Token Ring Access Method And Physical Layer Specifications Commercial Building Wiring Standard TIA EIA 568A Standard ...

Page 15: ...MIM 62A can only be installed into any slot on the MMAC M5FNB M8FNB or MMAC 5FNB 8FNB except the right most management slot It can only be installed into any slot on the MMAC M3FNB or MMAC 3FNB except the bottom management slot Ensure that the MMAC hub into which you will be installing the TRMIM 62A has the recommended number and type of power supply modules Refer to the documentation included wit...

Page 16: ...rt Cabling Impedance Matching Impedance matching between TRMIM 62A lobe ports and lobe cable is an important factor in maintaining optimal performance from the network installation Basically impedance is the total resistance measured in ohms that a circuit offers to electrical data signals Impedance mismatches between the coaxial lobe cables carrying Token Ring signal traffic and the lobe ports to...

Page 17: ... for the TRMIM 62A Figure 2 1 Ring Speed Settings Table 2 1 Recommended Lobe Lengths Lobe Cable Type Maximum Lobe Length 4 Mbps 16 Mbps RG 62 Coaxial Used Exclusively 300 meters 100 meters 1000 feet 330 feet NOTE The recommended lobe lengths in Table 2 1 may be exceeded in an optimally designed coaxial terminal network using RG 62 coaxial throughout and having a minimum number of BNC connector spl...

Page 18: ...fferent JP1 ring speed setting For example the TRMIM 62A JP1 jumper is changed from the 16 Mbps setting which is stored in the management module s memory when the MIM is originally installed to a 4 Mbps setting When it is reinserted in the MMAC the 16 Mbps ring speed setting prevails over the 4 Mbps setting The TRMIM 62A continues to run at 16 Mbps even though its JP1 ring speed jumper is now set ...

Page 19: ...A C22 2 No 950 EN60950 IEC950 and 73 23 EEC 2 5 2 Electromagnetic Compatibility EMC This product meets the emission limits of FCC Part 15 Class A EN55022 Class A and VCCI Class I This product meets the immunity requirements of EN50082 1 2 5 3 Physical Dimensions 13 4D x 11 5H x 2 0W inches 34 0D x 29 2H x 5 1W centimeters Weight Under 4 pounds 1 82 kilograms 2 5 4 Environmental Operating Temperatu...

Page 20: ...REQUIREMENTS AND SPECIFICATIONS 2 6 ...

Page 21: ...en Ring module Disposable grounding wriststrap TRMIM 62A User s Guide 2 Put on the grounding wriststrap Remove the TRMIM 62A from the protective bag and place it on top of the bag in a dry static free dust free area 3 Visually inspect the shipment for any signs of damage Notify Cabletron Systems Technical Support as described in Section 1 1 if you detect any damage or missing parts CAUTION Electro...

Page 22: ...ilure to tighten down the knobs may result in a faulty connection to the MMAC backplane TRMIM 62A LEDs light in accordance with the existing network configuration settings in the MMAC See Section 4 1 for information about LEDs Only authorized personnel should hot swap modules in an activated MMAC It is recommended that all other personnel shut down the MMAC before installing or de installing modul...

Page 23: ...TRMM MMAC M3FNB M3PSM M3FM TRMM MMAC M8FNB Installation in an MMAC M3FNB 3FNB Installation in an MMAC M8FNB M5FNB or MMAC 8FNB 5FNB COAXIAL TOKEN RING J ING 1 2 3 4 5 6 7 8 9 10 11 12 TRMIM 62A COAXIAL TOKEN RING J ING 1 2 3 4 5 6 7 8 9 10 11 12 TRMIM 62A ...

Page 24: ... To connect a station to the TRMIM 62A 1 Attach the Lobe Access Unit LAU BNC to DB9 male adaptor to the female DB9 STP port on the station s network interface card as shown in Figure 3 2 Figure 3 2 Attaching The LAU Network Interface Port LAU RG 62 BNC DB9 Port Port LAU Passive Balanced Splitter 150 ohm 93 ohm Token Ring Station ...

Page 25: ... Insert the other BNC connector on the lobe cable to the LAU as shown in Figure 3 3 3 Repeat these steps for each station Figure 3 3 Connecting A Station To The TRMIM 62A TRMIM 62A ERR MGMT 16Mb P E N L N K SN 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 Lobe Port BNC Connector BNC Connector Coax Lobe Cable ...

Page 26: ...nding yellow PEN LEDs for ports that are enabled The yellow 16Mb LED should be on only if the TRMIM 62A is running at 16 Mbps The TRMIM 62A is now ready for operation Before placing the network into service test the installation thoroughly to ensure that all stations can be addressed and that data is being relayed without error Verify that the networking software is configured properly to match th...

Page 27: ...s with the TRMIM 62A and the Token Ring installation 4 1 USING LANVIEW LEDS LANVIEW is Cabletron Systems front panel visual diagnostic and status monitoring system You can use the LANVIEW LEDs see Figure 4 1 to determine the TRMIM 62A s operational status help diagnose network problems and pinpoint faulty node segments Figure 4 1 LANVIEW LEDs 1 2 3 4 TRMIM 62A ERR MGMT 16Mb P E N L N K SN 1 2 3 4 ...

Page 28: ...ion settings PEN The Port Enabled Status LED lights yellow to indicate the associated port is enabled by network management An enabled port permits insertion of the physically attached ring station into the Token Ring When both the PEN and LNK LEDs are lit for the same port the station attached to that TCU port is inserted on the ring When PEN is not lit the associated port is disabled and denies ...

Page 29: ...peed are bypassed by default from the common ring See Section 2 4 for information about specifying the ring speed for the TRMIM 62A Verify that LNK and PEN LEDs on the TRMIM 62A and the equivalent port status LED s on other MIMs indicate that stations attached to their corresponding ports are inserted into the ring or able to insert into the ring Check that MIMs are securely installed in and faste...

Page 30: ...Ms must be grouped together Ensure that the maximum lobe cable lengths specified for the media types used in the installation and also the maximum number of stations supported are not exceeded See Section 2 3 2 for information about maximum lobe cable lengths for the TRMIM 62A See equivalent cabling and station count guidelines specified in the user guides included with other MIMs installed in the...

Page 31: ...4 2 D DB9 port 3 4 Differential Manchester Encoding 1 3 Document conventions 1 2 structure 1 2 E Electrostatic discharge 3 1 ERR LED described 4 2 Establishing a network connection 3 4 G Grounding wriststrap 3 1 H Hardware failure possibility indicated by ERR LED 4 2 Help from Cabletron Systems Technical Support Department 1 2 I Impedance rating of cable 2 2 Installation MMAC requirements 2 1 proc...

Page 32: ... 2 setting with JP1 jumper 2 3 speed fault indicated by PEN LED 4 2 Ring Speed 16Mb LED described 4 2 S Speed fault PEN LED indication of 4 2 protection 1 4 Station attachment 3 4 to 3 5 T Temperature operating range 2 5 storage range 2 5 TRMIM 62A cabling guidelines 2 2 to 2 3 installation in MMACs 3 2 MMAC restrictions 2 1 physical specifications 2 5 recommended reading 1 5 related documentation...

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