Home

Enterasys (TPXMIM-34) Networking Hub

1. Position gt not crossed over 1 5 NC 2 6 RX 3 7 NC 4 NC 8 NC Figure B 2 Cross over Switch on the EPIM T EPIM F1 F2 Multimode Fiber Optic Port Internal Transceiver Cabletron Systems FOT FTM Fiber Optic Transceiver Type EPIM FI SMA fiber optic ports Fig B 3 EPIM F2 ST fiber optic ports Fig B 3 LNK EPIM F1 F2 Figure B 3 EPIM F1 and EPIM F2 Page 54 TPXMIM Installation Guide SINGLE MODE FIBER OPTIC PORT Receive Sensitivity 29 5 dBm Max Receive Power 8 2 dBm Transmitter Power Into 50 125 um fiber 13 0 dBm 62 5 125 um fiber 10 0 dBm 100 140 um fiber 7 0 dBm Bit Error Rate Better than 10 19 Note The above transmitter power and receive sensitivity levels represent Peak Power Levels after optical overshoot You must use a Peak Power Meter to correctly compare the above values to those you measure on any particular port If you measure Power Levels with an Average Power Meter you must subtract 3 dBm from the measurement to correctly compare measured values to the above values e g 29 5 dBm peak 32 5 dBm average EPIM F3 SINGLE MODE FIBER OPTIC PORT Internal Transceiver Type Cabletron Systems Fiber Optic Transceiver ST fiber optic ports Fig B 4 Figure B 4 EPIM F3 TPXMIM Installation Guide Page 55 APPENDIX B EPIM SPECIFICATIONS
2. esses nenne 40 4 3 Using 42 4 4 Troubleshooting Checklist seen 45 APPENDIX A TWISTED PAIR WIRING TABLES APPENDIX SPECIFICATIONS vi TPXMIM Installation Guide CHAPTER 1 INTRODUCTION The Twisted Pair Switching Media Interface Module TPXMIM is a switchable multi channel Ethernet repeater that resides in a Multi Media Access Center MMAC hub This manual explains how to e install the TPXMIM connect the module to an existing network e troubleshoot any installation operational problems In addition Appendices contain TPXMIM and Ethernet Port Interface Module EPIM environmental and operational specifications This manual serves as a simple installation and troubleshooting reference guide for the TPXMIM To gain a full understanding of this device and its capabilities and to help eliminate any potential problems during or after installation please be sure to read and understand all of the instructions and information in this document and in the release notes 1 14 USING THIS MANUAL You should have a general working knowledge of Ethernet or IEEE 802 3 type data networks prior to installing the TPXMIM The following summarizes the organization of this manual Chapter 1 Introduction discusses TPXMIM features and provides an overview of the device s capabilities This chapter concludes with a list of related documentation and how to obtain ad
3. Return key SNMP Tools screen displays the following SET IF9 3 Enter the following OID string 4 1 52 1 6 1 2 3 1 1 3 Slot TPXMIM Port 0 Note Enter the number of the slot i e slot 2 3 for an MMAC 3 2 5 for an MMAC 5 or 2 6 for an 8 holding the TPXMIM and the number of the port you want to assign in the spaces indicated by bold text When entering this OID string remember the following slots increment from right to left the farthest right slot 1 contains the multichannel management module each TPXMIM displays port numbering on its faceplate inthis example the SET command takes into account the 1 3 6 1 prepend Page 24 TPXMIM Installation Guide CONFIGURING BOARDS AND PORTS 4 Press the Return key The SNMP Tools Screen displays INteger String Null OId IP address Counter Guage Timeticks OPaque DATA TYPE 5 Enter IN for an integer data type 6 Press the Return key The SNMP Tools screen displays SNMP OID DATA 7 Enter the integer for the desired Channel assignment The following table provides a Channel to integer association MMAC OID Integer Channel Instance 8 Pressthe Return key If the device accepts the integer entry the SNMP Tools screen displays SET OPERATION CODE XXXX OK If the module does not accept the entry and an error message appears begin with step 1 again and re enter the information
4. 11 Violet Blue 22 TX 11 Orange Violet 47 TX11 Violet Orange 23 12 Green Violet 48 12 Violet Green 24 TX 12 Brown Violet 49 TX 12 Violet Brown 25 N C Gray Violet 50 N C Violet Gray Page 12 TPXMIM Installation Guide NETWORK REQUIREMENTS 2 3 NETWORK REQUIREMENTS Take care in planning and preparing the cabling and connections for your network The quality of the connections the length of cables and other conditions of the installation play critical roles in determining the reliability of your network The following sections describe cable requirements for each media type 2 3 1 10BASE T Twisted Pair Network When connecting a IOBASE T Twisted Pair Segment at any of the Twisted Pair hub interfaces Ethernet Twisted Pair Segments on the faceplate or the Twisted Pair Ethernet Port Interface Module EPIM T ensure the network meets the following requirements Length The IEEE 802 3 standard requires that devices transmit over 100 meter 328 foot link using 22 24 AWG unshielded twisted pair wire However cable quality largely determines maximum link length If you use high quality low attenuation cable you can achieve link lengths of up to 200 meters Cable delay limits maximum link length to 200 meters regardless of the cable type Note Losses introduced by connections at punch down blocks and other equipment reduce tota
5. IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL INDIRECT SPECIAL OR CONSEQUENTIAL DAMAGES WHATSOEVER INCLUDING BUT NOT LIMITED 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 1994 by Cabletron Systems Inc P O Box 5005 Rochester NH 03867 0505 AII Rights Reserved Printed in the United States of America Part Number 9031145 May 1994 SPECTRUM and LANVIEW are registered trademarks and TPXMIM EMME EMM E6 MMAC 8FNB MMAC 5FNB MMAC 3FNB and EPIM are trademarks of Cabletron Systems Inc Ethernet is a registered trademark of Xerox Corp 220 and V T 320 are trademarks of Digital Equipment Corp CompuServe is a registered trademark of CompuServe Inc ay Printed on recycled paper uw TPXMIM Installation Guide NOTICE FCC NOTICE This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation NOTE 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 inter
6. If you want to test modules using the AUI 2 port you must select that port using EMME Local Management 3 Connect the second workstation to the TPXMIM using the appropriate transceivers and cable 4 Setthe first workstation as the file server and the second as the client refer to specific workstation documentation for setting file server and client After setting up the workstations send packets between the workstations and verify that the module operates properly If failures occur contact Cabletron Technical Support Note A ping test verifies that the TPXMIM is operating properly TPXMIM Installation Guide Page 39 CHAPTER 4 TESTING TROUBLESHOOTING MMAC 3FNB Figure 4 1 Pre installation Test 4 2 INSTALLATION CHECK OUT After connecting the EMME to the network verify that the two Ethernet network segments can pass packets using the EMME Again you can use two workstations set up as file server and client Keep the server workstation stationary in the wiring closet with the EMME and move the client workstation to each TPXMIM node Figure 4 2 1 Connect the server workstation to either the TPXMIM using the appropriate cable and transceiver or to an EMME AUI port using a transceiver and an AUI cable 2 Connect the client workstation to each node and test the segment If failures occur contact Cabletron Systems Technical Suppo
7. 1TX 21 RX pz 42 2 bj PIN 2 TX F eede Twister Dro ATTX PIN 3RX PIN 3RX 22 TX A44TX PIN 6 RX 6RX Port 1 26 RX AlRX4 PIN 1TX PIN 1TX 1 RX A2RX PIN2TX pe PIN2TX Twisted t 27TX ej PIN 3RX PIN 3RX 2 TX 4 PIN 6 RX PIN 6 RX Page 50 TPXMIM Installation Guide TWISTED PAIR WIRING TABLES A D Mm amp BB B EEE LEETEELEELEEEE BB LB B B LB 2 Figure A 1 Punch Down Block TPXMIM Installation Guide Page 51 APPENDIX B EPIM SPECIFICATIONS Network Twisted Pair Interface Internal Transceiver Cabletron Systems TPT Transceiver Refer to the TPT Twisted Pair Transceiver User s Manual EPIM T 10BASE T Twisted Pair Port Internal Transceiver Cabletron Systems TPT Twisted Pair Transceiver Type 8 Pin RJ45 Jack Fig B 1 2 LNK o Figure B 1 with RJ45 Port A slide switch on the EPIM T determines the cross over status of the cable pairs The switch residing on the X side indicates the pairs internally cross over If the switch resides on the z side the pairs do not internally cross over See Fig B 2 TPXMIM Installation Guide Page 53 APPENDIX B EPIM SPECIFICATIONS Position X crossed over 1 RX 5 NC 2 RX 6 TX 3 7 NC 4 NC 8 NC
8. If the module still refuses to accept the entry contact Cabletron Technical Support TPXMIM Installation Guide Page 25 CHAPTER 3 INSTALLATION CONFIGURATION 3 4 ADDING REPLACING EPIMs This section contains procedures on how to add replace an Ethernet Port Interface Module EPIM to upgrade or change the capabilities of your hub After installing your new EPIM refer to appropriate EPIM sections in this chapter to verify proper operation Caution Observe all static precautions while handling EPIMs To add replace an EPIM Note When removing an EPIM be sure to pull the module straight out so as not to damage the connector 1 Remove the coverplate or the EPIM whichever applies 2 Slide your new EPIM into place making sure the connectors on the rear of the module and inside the TPXMIM attach properly 3 Install the mounting screw x Mounting Screw TPXMIM Figure 3 3 Installing an EPIM Page 26 TPXMIM Installation Guide CONNECTING TO THE NETWORK 3 5 CONNECTING TO THE NETWORK This section describes the various connection types for the TPXMIMs and each optional EPIM The procedure for connecting Ethernet segments to a module or an EPIM varies depending on the media type Refer to the list below and follow the procedures in the appropriate subsection e TPXMIM 20 22 3 5 1 TPXMIM 33 34 3 5 2 e EPIM T 3 5 3 EPIM X 3 5 4 e EPIM FI F2 3 5 5 e EPIM C 3 5 6 e EPIM A 3 5 7
9. WRITING EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABLITY AND FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE PROGRAM THE ACCOMPANYING WRITTEN MATERIALS AND ANY ACCOMPANYING HARDWARE 2 NOLIABILITY FOR CONSEQUENTIAL DAMAGES 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 SPECIAL INCIDENTAL CONSEQUENTIAL OR RELIANCE DAMAGES OR OTHER LOSS ARISING OUT OF THE USE OR INABILITY TO USE THIS CABLETRON PRODUCT EVEN IF CABLETRON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES BECAUSE SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES OR ON THE DURATION OR LIMITATION OF IMPLIED WARRANTEES IN SOME INSTANCES THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO YOU UNITED STATES GOVERNMENT RESTRICTED RIGHTS The enclosed product a was developed solely at private expense b contains restricted computer software submitted with restricted rights in accordance with Section 52227 19 a through d of the Commercial Computer Software Restricted Rights Clause and its successors and c in all respects 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 Suppleme
10. a transceiver that transceiver must meet IEEE 802 3 standards or Ethernet version 1 0 or 2 0 requirements The transceiver must also have Signal Quality Error SQE disabled TPXMIM Installation Guide Page 17 CHAPTER 3 INSTALLATION CONFIGURATION This chapter contains instructions for unpacking the TPXMIM installing the TPXMIM into a Multi Media Access Center MMAC configuring the TPXMIM board or individual ports to run on MMAC backplane Channels adding replacing optional Ethernet Port Interface Modules connecting your device to a network 3 1 UNPACKING THE TPXMIM Unpack the TPXMIM as follows 1 Remove the shipping material covering the TPXMIM 2 Carefully remove the module from the shipping box Leave the module in its non conductive bag until you are ready to install it 3 Visually inspect the module If you notice any signs of damage contact Cabletron Systems Technical Support immediately 3 2 INSTALLING THE TPXMIM Installing the TPXMIM into any MMAC hub is an easy operation and requires no special skills or tools However when you install your device keep the following in mind You may install the TPXMIM in any slot except for slot 1 farthest slot to the right of the MMAC chassis TPXMIM Installation Guide Page 19 CHAPTER 3 INSTALLATION CONFIGURATION We suggest positioning the TPXMIM next to any contiguous RIC MIMs or MIMs directly controlled by the hub managing device e g EMME 6
11. etc This does not apply to shunting MMAC ENBSs where the data path remains unbroken and allows non interrupted communication Caution Use all static precautions when handling boards Install the TPXMIM into the MMAC FNB backplane as follows 1 Holding the TPXMIM by the front panel or by the edges of the board align the bottom and top edges of the board with the guide slots Make sure that both of the edges of the card rest in the guide slots 2 Slide the TPXMIM Figure 3 1 into the desired slots of the MMAC card cage 3 Firmly press the module connections into the backplane Do not try to force the module into place or use the knurled knobs to draw the module into the backplane Forcing a misaligned module into place can damage the TPXMIM or the MMAC backplane MMAC M8FNB Knurled Knob TPXMIM Figure 3 1 Installing the TPXMIM Page 20 TPXMIM Installation Guide INSTALLING THE TPXMIM 4 Secure the module to the MMAC chassis by tightening the knurled knobs If you do not tighten the knurled knobs vibration can cause the module to lose contact with the backplane and disrupt your network 5 Power up the MMAC if it isn t already ON We 4 N TPXMIM 20 TPXMIM 22 TPXMIM 33 TPXMIM 34 SN SN ETHERNET ETHERNET 000 eee 506 RCV LNK OOO 666 ooo OV LK 29 Q acvinc novin eee 19 9 9 o 22 79 o RCV LNK RCV LNK RCV L
12. fiber optic cable with a fiber optic attenuation test set adjusted for an 850 nm wavelength This test verifies that the signal loss in a cable falls within the following acceptable levels 13 0 dB orless for a 50 125 um fiber cable segment 16 0 dB or less for a 62 5 125 um fiber cable segment 19 0 dB or less for a 100 140 um fiber cable segment Budget and Propagation Delay When you determine the maximum fiber optic cable length to incorporate fiber runs into your network you must calculate and consider the fiber optic budget a total loss of 10 0 dB orless is permissible between stations and total network propagation delay To determine the fiber optic budget combine the optical loss due to the fiber optic cable in line splices and fiber optic connectors Typical loss for a splice and connector together equals 1 dB or less Network propagation delay is the amount of time it takes a packet to travel from the sending device to the receiving device Total propagation delay allowed for the entire network must not exceed 25 6 usec in one direction 51 2 usec round trip If the total propagation delay between any two nodes on the network exceeds 25 6 usec you must use bridges TPXMIM Installation Guide Page 15 CHAPTER 2 SPECIFICATIONS REQUIREMENTS e Length The maximum possible multimode fiber optic cable length is 2 km 2187 2 yards However IEEE 802 3 FOIRL specifications specify a maximum of 1 km 1093 6 yards 2
13. management module provides helpful statistical information for the TPXMIM including the number of bytes received the number of frames received filtered and transmitted total number of errors and a breakdown of those errors Page 4 TPXMIM Installation Guide THE TPXMIM AND MMAC BACKPLANE Multi channel management modules provide bridging and optional routing control for Ethernet Channels A B and C on the MMAC backplane and Channel D from the module faceplate All Channels access the same shared memory allowing a management module to bridge any or all packets it receives for any given Channel In addition the EMM E6 provides options for two additional Ethernet connections channels E and F that access WAN ATM or FDDI networks For additional information regarding the EMME or refer to specific module documentation 1 5 THE TPXMIM AND MMAC BACKPLANE The Multi Media Access Center with Flexible Network Bus provides the TPXMIM with power Ethernet Bus Channel A and FNB Channel B and C access Figure 1 1 Power amp Management Bus Ethernet A Bus Flexible Network Bus Ethernet B Bus Ethernet C Bus Figure 1 1 MMAC Flexible Network Bus Two types of MMACS currently support FNB architecture shunting and non shunting MMACS equipped with shunting backplanes allow modules operating on the B or C bus to c
14. 3 3 Single Mode Fiber Optic Network When connecting a single mode fiber optic link segment to the hub using ensure the network meets the following requirements Cable Type Fiber optic link segments should consist of 8 125 to 12 125 um single mode fiber optic cabling You can also use 62 5 125 um multimode cable with the EPIM F3 however use of multimode cable causes greater optical loss and limits the possible distance to 2 km Attenuation You must test the fiber optic cable with a fiber optic attenuation test set adjusted for a 1300 nm wavelength This test verifies that the signal loss in a cable falls within the acceptable level of 10 0 dB or less for any given single mode fiber optic link Budget and Propagation Delay When you determine the maximum fiber optic cable length to incorporate fiber runs into your network you must calculate and consider the fiber optic budget a total loss of 10 0 dB or less is permissible between stations and total network propagation delay To determine the fiber optic budget combine the optical loss due to the fiber optic cable in line splices and fiber optic connectors Typical loss for a splice and connector together equals 1 dB or less Network propagation delay is the amount of time it takes a packet to travel from the sending device to the receiving device Total propagation delay for the entire network must not exceed 25 6 usec in one direction 51 2 u
15. 3 5 1 Attaching a Twisted Pair Segment to the TPXMIM 20 22 The TPXMIM 20 has nine RJ45 twisted pair ports and the TPXMIM 22 has twenty one RJ45 twisted pair ports The TPXMIM 20 and 22 have a Polarity Correction and Detection feature which allows packets to pass even if the polarity of the twisted pair is reversed To attach twisted pair segments to the network ports 1 Insert the RJ45 connector from each twisted pair segment into the desired network port on the TPXMIM as shown in Figure 3 4 a gt lt oo gt lt Figure 3 4 TPXMIM 20 22 Network Ports TPXMIM Installation Guide Page 27 CHAPTER 3 INSTALLATION CONFIGURATION 2 Atthe device end of a segment attach the segment to a compliant Ethernet device 3 Checkthat the LNK link LED on the Ethernet device and the LNK LED on the TPXMIM are ON If the LEDs are not ON perform each of the following steps until they are a Check that the IOBASE T device and the have power b Verify the cabling between the TPXMIM and the device c Check the cable for continuity If you cannot establish link contact Cabletron Technical Support 3 5 2 Attaching a Twisted Pair Segment to the TPXMIM 33 34 The TPXMIM 33 has one 50 pin Champ connector and the TPXMIM 34 has two 50 pin Champ connectors This configuration of the TPXMIM allows you to run a 50 pin feeder cable from the TPXMIM to a punch down block Eac
16. ED remains off TPXMIM port after powering the TPXMIM accesses that contact Cabletron Technical Channel Support The TPXMIM can If you assign a board or have all LEDs ON individual port to another at the same time Channel and the Ethernet LED remains OFF contact Cabletron Technical Support CLN Red LED flashes to Flash frequency may increase Collision indicate the with increased network occurence of activity Excessive collisions collisions on the indicate too much traffic on a port Collisions segment normally occur on an Ethernet Reduce traffic on that segment Network RCV Yellow Light flashes to If none of the receive LEDs are Receive indicate that a flashing the TPXMIM is not segment is receiving frames on any of the receiving a frame segments EPIM RCV Receive Check that each module is TPXMIM firmly installed in the MMAC 33 34 Ensure that all connected ports are enabled Page 43 CHAPTER 4 TESTING TROUBLESHOOTING Table 4 1 LANVIEW LEDs Continued rs Error Condition LED Color Description Recommended Action SEL Green This LED is ON as If the LED remains OFF after Select long as power is powering the TPXMIM contact TPXMIM applied The EPIM Cabletron Technical Support 33 on the TPXMIM 33 is always selected all ports are active EPIM SEL Green This LED indicates This LED is ON only if the Select port association se EPIM is selected by ass
17. IEW LEDs e receive LED to indicate network activity on the port Page 6 TPXMIM Installation Guide NETWORK MANAGEMENT CAPABILITIES e a SEL select LED to indicate port association selection of the EPIM port The SEL LED on the TPXMIM 33 is always lit since the is always active However the TPXMIM 34 provides the software selectable option of using the instead of 10Base T Champ connector port 13 In other words on the TPXMIM 34 you can have either the EPIM or Champ connector port 13 active at any given time This allows a total of 24 connections The TPXMIM includes the following LEDs to indicate Channel status e aCLN collision LED for each channel i e A B and C e anEthernet LED to indicate any connection to a particular Ethernet channel 1 e A B or C Note If at least one port connects to a particular Channel the Ethernet LED for that Channel remains ON Chapter 4 Testing Troubleshooting provides detailed descriptions of each TPXMIM LANVIEW LED 1 7 NETWORK MANAGEMENT CAPABILITIES You can control and manage the TPXMIM using any SNMP network management system The EMME or EMM E6 network management capabilities provide the necessary management tools for the TPXMIM to operate at its full capacity Your ability to set up parameters with network management assures optimal performance of the TPXMIM For further information refer to the applicable Network Management Package User s M
18. M board or individual ports from in band management No link to device Refer to the Local Management Guide for the multichannel management module controlling the MMAC and ensure you are using the MIB walking tool properly Check link to device No power to an external transceiver connected to the EPIM port EPIM is defective EPIM cable is defective Replace EPIM Replace EPIM cable High number of collisions on EPIM port External transceiver has SQE enabled Disable SQE TPXMIM Installation Guide Page 45 APPENDIX A TWISTED PAIR WIRING TABLES This appendix contains twisted pair wiring tables to assist you when using a punch down block see Figure A 1 to wire your twisted pair segments This appendix includes the following tables e Table A 1 Twisted Pair Wiring from a Punch Down Block to a Device Table A 2 Twisted Pair Wiring Summary Table A 1 Twisted Pair Wiring From a Punch Down Block to a 10Base T Device From Punch Down Block To RJ45 Into Into Wallplate Office 10BASE T Drop Device Port 12 24 Pin Pin Pin B45 Violet Green RX 1 TX 1 TX 1 TX 846 Green Violet RX 2 TX 2 TX 2 TX B47 Violet Brown TX 3 RX 3 RX 3 RX 848 Brown Violet TX 6 RX 6 RX 6 RX Port 11 23 Pin Pin Pin B41 Violet Blue RX 1 TX 1 TX 1 TX B42 Blue Violet RX 2 TX 2 TX 2 TX 843 Violet Orange TX 3 RX 3 RX 3 RX 844 Ora
19. NK 0 0 03 0 0 0 03 ree 100 20 010 08 20 010 08 99 400 200 5866 24 1 8 H 5 15 198 88 900 29898 88 noo 22 0 O noo 200 200 5 Figure 3 2 LANVIEW LEDs After the system boot procedure the LEDs see Figure 3 2 should be in the following conditions Ethernet Channel LEDs ON or OFF depending on the port connection status Note TPXMIM defaults to CH B on initial power up Appropriate EPIM LEDs ON see section 3 5 Connecting to the Network to obtain the appropriate LED status for EPIMs Appropriate RCV LEDs flashing and LNK LEDs ON to show connection of individual ports TPXMIM Installation Guide Page 21 CHAPTER 3 INSTALLATION CONFIGURATION 3 3 CONFIGURING BOARDS AND PORTS The TPXMIM provides state of the art flexibility by allowing you to assign whole boards or individual ports to Channel i e Channel A B or C In other words you can assign an entire TPXMIM to any one Channel e assign any number of individual TPXMIM ports to any Channel This flexibility provides the advantage of grouping users together based on file server or network usage ultimately maximizing the use of bandwidth In addition since the TPXMIM uses only one slot a single MMAC can contain up to 168 user ports while providing bridging and routing capabilities Setting TPXMIM bo
20. Note Transmitter power is inversely proportional to temperature rise Use the Output Power Coefficient to calculate increased or decreased power output for your operating environment For example typical power output at 25 C equals 16 4 dBm For 4 C temperature increase multiply the typical coefficient 0 15 dBm by four and add the result to typical output power 4 x 0 15 dBm 16 4 dBm 17 0 dBm Parameter Typical Minimum Maximum Transmitter Peak Wave Length 1300 nm 1270 nm 1330 nm Spectral Width 60 nm 100 nm Rise Time 3 0 ns 2 7 ns 5 0 ns Fall Time 2 5 ns 2 2 ns 5 0 ns Duty Cycle 50 196 49 6 50 7 TX Power 15 1 dBm TX Budget 14 4 dBm RX Sensitivity 29 5 dBm MAX Receive Power 6 99 dBm Bit Error Rate Better than 1079 56 TPXMIM Installation Guide EPIM C BNC PORT Note The above transmitter power levels and receive sensitivity levels represent Peak Power Levels after optical overshoot You must use a Peak Power Meter to correctly compare the above values to those you measure on any particular port If you measure Power Levels with an Average Power Meter you must subtract 3 dBm from the measurement to correctly compare those measured values to the values listed above e g 29 5 dBm peak 32 5 dBm average EPIM C BNC PORT Internal Transceiver Type Cabletron Systems TMS 3TM Transceiver BNC receptacle with gold
21. TPXMIM INSTALLATION GUIDE xe 4 TN TPXMIM 20 TPXMIM 22 TPXMIM 33 TPXMIM 34 SN SN UU OOO ETHERNET PR 595 ROV LNK RCV LNK Q oo 8 91692 8 85 98 45 Sos 190 s0 04 8 6 200 299 wo olo 8 6 818 9 258 522 22 8 88 288 88 9 72 8 890 500 8 786 766 488 288 499 288 958 299 268 1 206 288 122 PIM 2 14 2 X X X 3 15 3 M M X x X 4 16 4 x x o o SN SN e e e 5 17 5 5 x 12 24 12 6 18 6 X x X 7 19 7 x x X 8 20 8 X X X 9 21 9 X X X 10 22 10 1 13 1 x X X e e e 1OBASE T TOBASE T TOBASE T TOBASE T ETHERNET ETHERNET ETHERNET ETHERNET D IEN M A 2 CaBICTROn systems The Complete Networking Solution CABLETRON SYSTEMS P O Box 5005 Rochester NH 03867 0505 NOTICE Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice The reader should in all cases consult Cabletron Systems to determine whether any such changes have been made The hardware firmware or software described in this manual is subject to change without notice
22. a 10Base T Device Continued From Punch Down Block To RJ45 Into Into Wallplate Office 10BASE T Drop Device B18 Brown Red RX 2 TX 2 TX 2 TX B19 Red Gray 3 RX 3 RX 3 RX B20 Gray Red TX 6 RX 6 RX 6 RX Port 4 16 Pin Pin Pin B13 Red Orange 1 1 TX 1 TX B14 Orange Red RX 2 TX 2 TX 2 TX B15 Red Green 3 3 RX 2 TX B16 Green Red TX 6 RX 6 RX 6 RX Port 3 15 Pin Pin Pin B9 White Gray RX 1 TX 1 TX 1 TX B10 Gray White RX 2 TX 2 TX 2 TX B11 Red Blue TX 3 RX 3 RX 3 RX B12 Blue Red TX 6 RX 6 RX 6 RX Port 2 14 Pin Pin Pin B5 White Green RX 1 TX 1 TX 1 TX B6 Green White RX 2 TX 2 TX 2 TX B7 White Brown TX 3 RX 3 RX 3 RX B8 Brown White TX 6 RX 6 RX 6 RX Port 1 13 Pin Pin Pin B1 White Blue RX 1 TX 1 TX 1 TX B2 Blue White RX 2 TX 2 TX 2 TX B3 White Orange TX 3 RX 3 RX 3 RX B4 Orange White TX 6 RX 6 RX 6 RX TPXMIM Installation Guide Page 49 APPENDIX A TWISTED PAIR WIRING TABLES Table A 2 Twisted Pair Wiring Summary TPXMIM 33 34 Punch Down Wall Plate 10BASE T Champ Block If Required Ethernet Device Port 12 48 RX4 A45 RX PIN 1TX PIN 1TX 23 RX f A46 RX 2 TX b PIN 2TX F eedey ietributi D 7 30x 3 pin 24 TX A48 TX PIN 6 RX4 PIN 6 Port 11 46 RX4 41 PIN 1TX PIN
23. anual 1 8 RELATED MATERIAL Use the following manuals to supplement the procedures and other technical data provided in this manual This manual references procedures in these manuals where appropriate but does not repeat them TPXMIM Installation Guide Page 7 CHAPTER 1 INTRODUCTION Cabletron Systems Overview and Setup Guide Cabletron Systems Ethernet Management Module EMME User s Guide Cabletron Systems EMM E6 Local Management User s Guide 1 9 GETTING HELP If you need additional support related to the Cabletron Systems TPXMIM or if you have any questions comments or suggestions related to this manual contact Cabletron Systems Technical Support by Mail Cabletron Systems Inc P O Box 5005 Rochester NH 03867 0505 Phone 603 332 9400 Mon Fri 8AM to 8 EST CompuServe GO CTRON from any prompt Internet Mail support ctron com Before calling Cabletron Systems Technical Support please have e description of the failure e description of any action s already taken to resolve the problem e g changing mode switches rebooting the unit etc e description of your network environment layout cable type etc e network load and frame size at the time of trouble if known e the serial and revision numbers of all Cabletron products in the TPXMIM network e the device history i e have you returned the device before is this a recurring problem etc any previous Retur
24. ards or individual ports to a specific MMAC Channel requires the use of a MIB walking tool and access through a multi channel management device 1 EMME etc In other words you must set specific MIB instances pertaining to the TPXMIM board as a whole or the individual ports You can set MIBs using a number of MIB walking tools This manual describes how to set the MIBs using the SNMP Tools screen in EMME or EMM E6 Local Management For additional information regarding the SNMP Tools screen refer to the EMME User s Guide or the EMM E6 Local Management Guide 3 31 Assigning an Entire TPXMIM Board The TPXMIM allows the options of assigning an entire board to an individual Channel i e Channel A B or C Assigning an entire board overrides any port local assignments that may have been set To assign an entire TPXMIM board refer to the following instructions and set the MIB using the desired variable To assign an entire board 1 From the SNMP Tools screen highlight SET using the arrow keys Page 22 TPXMIM Installation Guide CONFIGURING BOARDS AND PORTS 2 Press the Return key SNMP Tools screen displays the following SET OID IF9 3 Enter the following OID string 4 1 52 1 6 1 2 2 1 1 2 MMAC Slot 0 Note Enter the number of the slot i e slot 2 3 for an MMAC 3 2 5 for an MMAC 5 or 2 8 for an 8 holding the TPXMIM in the space indicated by bold text When entering this OID s
25. center contact for use with BNC type tee connectors and RG 58 thin net cable Fig B 5 e EPIM C Internal Termination Switch On internally terminated Off need external termination Figure B 5 EPIM C with BNC Port Termination TPXMIM Installation Guide Using the switch to the side of the port you can internally terminate the port on the module via a built in 50 ohm terminator This eliminates the need to connect the port to a tee connector and terminator Page 57 APPENDIX B EPIM SPECIFICATIONS Grounding For safety connect only one end of a thin net segment to earth ground Do not connect the BNC port of an EPIM C to earth ground Warning Connecting a thin net segment to earth ground at more than one point could produce dangerous ground currents EPIM A AND EPIM X AUI PORT Interface Connector Type DB 15 Port female connector for EPIM A male connector for EPIM X Fig B 6 15 position D type receptacle Figure B 6 EPIM A and EPIM X AUI Port Pin Logic Ref Pin 9 Collision Collision 10 Transmit Transmit 11 Logic Ref Logic Ref 12 Receive Receive 13 Power 12 Vdc Power Return 14 Logic Ref No Connection 15 No Connection S MY 5 9 Logic Ref Connector Shell Page 58 Protective Ground TPXMIM Installation Gui
26. ctor Specifications The TPXMIM 33 and 34 provide 50 pin Champ connectors to attach twisted pair segments to the network as shown in Figure 2 2 Table 2 1 shows the pinouts for the Champ connector e e 24 Fu l2 JN fem e e Figure 2 2 50 Pin Champ Connectors TPXMIM Installation Guide Page 11 CHAPTER 2 SPECIFICATIONS REQUIREMENTS Table 2 1 50 Pin Champ Connector Pinouts Pin Signal Wire Color Pin Signal Wire Color 1 1 Blue White 26 RX 1 White Blue 2 TX 1 Orange White 27 TX 1 White Orange 3 RX 2 Green White 28 RX 2 White Green 4 TX 2 Brown White 29 TX 2 White Brown 5 3 Gray White 30 RX 3 White Gray 6 TX 3 Blue Red 31 TX 3 Red Blue 7 4 Orange Red 32 RX 4 Red Orange 8 TX 4 Green Red 33 TX 4 Red Green 9 RX 5 Brown Red 34 RX 5 Red Brown 10 TX 5 Gray Red 35 TX5 Red Gray 11 RX6 Blue Black 36 RX 6 Black Blue 12 TX 6 Orange Black 37 TX 6 Black Orange 13 7 Green Black 38 RX 7 Black Green 14 TX 7 Brown Black 39 TX 7 Black Brown 15 8 Gray Black 40 RX 8 Black Gray 16 TX 8 Blue Yellow 41 TX 8 Yellow Blue 17 RX9 Orange Yellow 42 9 Yellow Orange 18 TX 9 Green Yellow 43 TX 9 Yellow Green 19 RX 10 Brown Yellow 44 10 Yellow Brown 20 TX 10 Gray Yellow 45 10 Yellow Gray 21 11 Blue Violet 46
27. d labeling fiber optic cables to indicate Receive and Transmit ends Cabletron Systems prelabels its cable At one end of the cable one fiber is labeled 1 and the other fiber is labeled 2 This pattern repeats at the other end of the cable When not purchasing cable from Cabletron Systems label your cable in this manner TPXMIM Installation Guide Page 33 CHAPTER 3 INSTALLATION CONFIGURATION Caution Do not touch the ends of the fiber optic strands and do not let the ends come in contact with dust dirt or other contaminants Contamination of cable ends causes problems in data transmissions If necessary clean contaminated cable ends using alcohol and a soft clean lint free cloth To connect a fiber optic link segment to an EPIM F1 F2 or an l Remove the protective plastic covers from the fiber optic ports on the applicable port on the module and from the ends of the connectors on each fiber strand Attach the fiber labeled 1 to the applicable receive port RX on the module See Figure 3 9 ST Connectors F1 F2 SMA 906 Connectors w Half Alignment Sleeves ST Connectors Figure 3 9 EPIM FI F2 and EPIM F3 Page 34 TPXMIM Installation Guide CONNECTING TO THE NETWORK Attach the fiber labeled 2 to the applicable transmit port TX on the module At the other end of the fiber optic cable attach the fiber labeled 1 to the transmit port of the device Attach the fiber labe
28. de
29. ditional support related to TPXMIM installation and operation Chapter 2 Specifications Requirements provides specifications and network requirements to consider before installing the TPXMIM TPXMIM Installation Guide Page 1 CHAPTER 1 INTRODUCTION Chapter 3 Installation Configuration provides instructions guidelines on how to install the TPXMIM into an MMAC FNB set the board or individual ports to a specific MMAC Channel install replace an optional EPIM and connect segments to your device using an optional EPIM Chapter 4 Testing Troubleshooting provides some testing procedures to ensure the TPXMIM is working properly before installing it into your network This chapter also details the TPXMIM LANVIEW LEDs that enable you to quickly diagnose network operational problems and includes a troubleshooting checklist Appendix A Twisted Pair Wiring Tables provides the wiring tables to assist in using a punchdown block to wire twisted pair segments Appendix B EPIM Specifications lists the specifications for each optional EPIM available for the TPXMIM 1 2 TPXMIM FEATURES LANVIEW Cabletron provides a visual diagnostic and status monitoring system called LANVIEW with the TPXMIM LANVIEW LEDs help you quickly identify device port and physical layer problems Switching The TPXMIM brings bank switching and individual port assignment to the MMAC chassis Using any multi channel management module i e
30. e Fiber Optic 15 2 3 3 Single Mode Fiber Optic 16 2 34 Thin Net 17 Transceiver 17 CHAPTER3 INSTALLATION CONFIGURATION 3 1 3 2 3 3 3 4 3 5 TPXMIM Installation Guide Unpacking the 19 Installing the nmm 19 Configuring Boards and 21 3 3 1 Assigning an Entire TPXMIM 22 3 3 2 Assigning Individual TPXMIM Ports 24 Adding Replacing EPIMS een 25 Connecting to the Network 26 3 5 1 Attaching a Twisted Pair Segment to the 20 2 27 3 5 2 Attaching a Twisted Pair Segment to the 33 34 0000 28 3 5 3 Connecting a Twisted Pair Segment to an 30 3 5 4 Connecting an AUI Cable to an 32 CONTENTS 3 5 5 Connecting a Fiber Optic Cable to an EPIM F1 F2 or 3 eene 33 3 5 6 Connecting a Thin Net Segment to an EPIM C 35 3 5 7 Connecting an AUI Cable to an EPIM A 37 4 TESTING TROUBLESHOOTING 4 1 Pre Installation 39 4 2 Installation Check Out
31. ect the AUI cable to the AUI port located on the EPIM A See Figure 3 11 Figure 3 11 EPIM A TPXMIM Installation Guide Page 37 CHAPTER 3 INSTALLATION CONFIGURATION 5 Lock the AUI connector into place using the connector slide latch 6 Ifthe transceiver PWR LED is OFF with the AUI cable connected a Check the AUI connections for proper pinouts Appendix B lists the pinouts for the transceiver connection b Check the cable for continuity c Reconnect the AUI cable to the TPXMIM and the device If the transceiver PWR LED remains OFF contact Cabletron Systems Technical Support Page 38 TPXMIM Installation Guide CHAPTER 4 TESTING TROUBLESHOOTING This chapter includes information for testing your TPXMIM before and after connecting it to your network and troubleshooting network and TPXMIM operational problems 4 1 PRE INSTALLATION TEST Before installing the TPXMIM in a live network test the module in a controlled situation to ensure that it is repeating packets This test requires an MMAC containing an EMME or equivalent multichannel management module and the TPXMIM You perform the test with two workstations Figure 4 1 1 Install the EMME and the TPXMIM into a stand alone MMAC 2 Connect the first workstation to either the TPXMIM using the appropriate cable and transceiver or to the EMME through the active AUI port normally AUI 1 Note The EMME uses the AUI 1 port as the default active bridge port
32. ference when the equipment is operated in a commercial environment This equipment uses generates and can radiate radio frequency energy and if not installed in accordance with the operator s manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause interference in which case the user will be required to correct the interference at his own expense WARNING Changes 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 pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la class A prescrites dans le R glement sur le brouillage radio lectrique dict par le minist re des Communications du Canada li TPXMIM Installation Guide CABLETRON SYSTEMS INC PROGRAM LICENSE AGREEMENT IMPORTANT Before utilizing this product carefully read this License Agreement This document is an agreement between you the end user and Cabletron Systems Inc Cabletron that sets forth your rights and obligations with respect to the Cabletron software program the Program conta
33. h Champ connector can accommodate twelve twisted pair segments The TPXMIM 34 provides the option of using all twenty four 10 twisted pair segments or using twenty three twisted pair segments and the optional EPIM for a total of twenty four active ports Note Refer to Appendix A for information about wiring to a Punch Down block The TPXMIM 33 and TPXMIM 34 have a Polarity Correction and Detection feature which allows packets to pass under conditions of reverse polarity Page 28 TPXMIM Installation Guide CONNECTING TO THE NETWORK Figure 3 5 50 Pin Champ Connector To connect the TPXMIM 33 34 into an existing twisted pair wiring system 1 Connect 50 pin feeder cable to the Champ connector on the TPXMIM See Figure 3 5 2 Attach the feeder cable to the punch down block or patch panel If using a TPXMIM 34 you can connect a second 50 pin feeder cable to the module In most cases connect the feeder cable directly to a Champ connector located on the punch down block If not wire the feeder cable to the punch down block using the punch down information in Appendix A 3 Atthe device end of a segment attach the segment to compliant Ethernet device TPXMIM Installation Guide Page 29 CHAPTER 3 INSTALLATION CONFIGURATION 4 Checkthatthe LNK link light on the Ethernet device and the LNK LED on the TPXMIM are ON If the LEDs are not ON perfo
34. he collision detector of a segment remains ON longer than 110 us The TPXMIM automatically reconnects the problem segment after it transmits or receives one packet without a collision Environmental Requirements Operating Temperature 5 to 40C 41 to 104 F Non Operating Temperature 30 to 80C 22 to 176 F Operating Humidity 5 to 95 non condensing Safety This unit meets safety requirements of UL 1950 CSA C22 2 No 950 and EN 60950 the EMI requirements of FCC Class A and EN 55022 Class A and the EMC requirements of EN 50082 1 Warning It is the responsibility of the person who sells the system of which the TPXMIM will be a part to ensure that the total system meets allowed limits of conducted and radiated emissions Physical Dimensions 34 04 D x 29 21 H x 5 08 W cm 13 4 Dx 11 5 H X 2 0 W inches Weight 2 Ibs Page 10 TPXMIM Installation Guide TPXMIM NETWORK REQUIREMENTS 2 2 TPXMIM NETWORK REQUIREMENTS The following sections provide TPXMIM network port specifications 2 2 4 TPXMIM 20 22 RJ45 Connector Specifications The TPXMIM 20 and the TPXMIM 22 provide RJ45 connectors to attach twisted pair segments to the network Figure 2 1 shows the pinouts for the RJ45 connectors 8 Not Used 7 Not Used 6 Transmit 5 Not Used 4 Not Used 3 Transmit 2 Receive 1 Receive Oo Figure 2 1 RJ45 Network Ports 2 2 2 TPXMIM 33 34 Champ Conne
35. her end of the twisted pair segment is powered b Verify that the RJ45 connectors on the twisted pair segment have the proper pinouts See Figure 3 7 c Check the cable for continuity d Check that the twisted pair connection meets dB loss and cable specifications outlined in Twisted Pair Network Requirements Chapter 2 EPIM T 10BASE T Device Port Port RX NOTE tuse RX RX and TX TX RJ45 to RJ45 must share a common color pair TX Figure 3 7 Cable Pinouts EPIM T RJ45 Port If you still cannot establish link contact Cabletron Technical Support TPXMIM Installation Guide Page 31 CHAPTER 3 INSTALLATION CONFIGURATION 3 5 4 Connecting an AUI Cable to an EPIM X Caution The Signal Quality Error SQE switch remains the OFF position for most network connections However some Data Terminal Equipment DTE requires SQE Refer to your DTE manual for SQE requirement information To connect an EPIM X to a device not requiring SQE 1 Check that the SQE LED on the EPIM X is OFF If the SQE LED is ON check the position of the SQE switch Note If the SQE light remains ON even though the SQE switch is in the OFF position contact Cabletron Technical Support 2 Attach one end of an AUI cable no longer than 50 meters in length to the port located on the EPIM X Figure 3 8 and the other end to the intended node ON Position Toward Back of EPIM OFF Position Toward Front
36. igning TPXMIM lection of the EPIM itto a specific Ethernet 34 port instead of Channel Select the EPIM 10BASE T port 13 through the use of a MIB walking tool and an MMAC see Chapter 3 If you cannot select the EPIM contact Cabletron Technical Support LNK Green When ON this LED If the LED remains OFF check Link indicates a porthas the cable integrity and that the obtained a link device on the other end of the with the device at cable is ON the other end of the attached segment If you cannot obtain link This LED remains contact Cabletron Technical ON as long as the Support link is maintained Page 44 TPXMIM Installation Guide 4 8 TROUBLESHOOTING CHECKLIST TROUBLESHOOTING CHECKLIST If your TPXMIM is not operating properly the following checklist describes some of the problems that may occur with the module possible causes for the problem and suggestions for resolving the problem Table 4 2 Troubleshooting Checklist Problem All LEDs are OFF Possible Causes Loss of Power to the MMAC TPXMIM not properly installed Recommended Action Check the proper installation of the MMAC power supply module and its access to a live outlet Check that the MMAC has adequate power Some configurations especially those including FDDI modules require that the MMAC contain more than one power supply Check to see that the power supply LEDs are green Cannot assign the TPXMI
37. ined in this package The Program may be contained in firmware chips or other media BY UTILIZING THE ENCLOSED PRODUCT YOU ARE AGREEING TO BECOME BOUND BY THE TERMS OF THIS AGREEMENT WHICH INCLUDES THE LICENSE AND THE LIMITATION OF WARRANTY AND DISCLAIMER OF LIABILITY IF YOU DO NOT AGREE TO THE TERMS OF THIS AGREEMENT PROMPTLY RETURN THE UNUSED PRODUCT TO THE PLACE OF PURCHASE FOR A FULL REFUND CABLETRON SOFTWARE PROGRAM LICENSE 1 LICENSE You have the right to use only the one 1 copy of the Program provided in this package subject to the terms and conditions of this License Agreement You may not copy reproduce or transmit any part of the Program except as permitted by the Copyright Act of the United States or as authorized in writing by Cabletron 2 OTHER RESTRICTIONS You may not reverse engineer decompile or disassemble the Program 3 APPLICABLE LAW This License Agreement shall 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 TPXMIM Installation Guide 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 documentation and media CABLETRON DISCLAIMS ALL WARRANTIES OTHER THAN THOSE SUPPLIED TO YOU BY CABLETRON IN
38. l segment length For each connector or patch panel in the link subtract 12 meters from the total length of your cable Insertion Loss Between frequencies of 5 0 and 10 0 MHz the maximum insertion loss must not exceed 11 5 dB This includes the attenuation of the cables connectors patch panels and reflection losses due to impedance mismatches in the link segment e Impedance Cabletron Systems Twisted Pair products work on twisted pair cable with 75 to 165 ohms impedance Unshielded twisted pair cables typically have an impedance of between 85 to 110 ohms You can also use shielded twisted pair cables such as IBM Type 1 cable but keep in mind that this cable has an impedance of 150 ohms TPXMIM Installation Guide Page 13 CHAPTER 2 SPECIFICATIONS REQUIREMENTS The high impedance of the IBM Type 1 cable increases signal reflection However due to cable shielding and the subsequent lack of crosstalk between shielded pairs this signal reflection has little effect on the quality of the received signal e Jitter Intersymbol interference and reflections can cause jitter in the bit cell timing resulting in data errors links must not generate more than 5 0 nsec of jitter Make sure your cable meets link impedance requirements to rule out jitter as a concern Delay The maximum propagation delay of a link segment must not exceed 1000 nsec This 1000 nsec maximu
39. led 2 to the receive port Check that the LNK LED on the applicable module port is ON If the LED is not ON perform each of the following steps until it is a Check that the device at the other end of the link is powered b Verify proper cross over of fiber strands between the applicable port on the module and the fiber optic device at the other end of the fiber optic link segment c Verify that the fiber connection meets the dB loss specifications outlined in Fiber Optic Network Requirements Chapter 2 If you still cannot establish link contact Cabletron Technical Support 3 5 6 Connecting a Thin Net Segment to an EPIM C To connect a thin net segment to an EPIM C 1 Set the Internal Termination Switch Figure 3 10 located to the left of the port and labeled TERM to the ON position 8 to internally terminate the thin net segment at the port the OFF position O if you do not want the thin net segment to internally terminate at the port If the Internal Termination Switch is in the ON position connect the thin net segment directly to the BNC port TPXMIM Installation Guide Page 35 CHAPTER 3 INSTALLATION CONFIGURATION 3 If the Internal Termination switch is in the OFF position a Attach a BNC tee connector to the BNC port on the module b Attach the thin net segment to one 1 of the female connectors the tee connector Caution Failure to terminate each tee connector segment may resul
40. m delay limits the maximum link segment length to no greater than 200 meters e Crosstalk Signal coupling between different cable pairs within a multi pair cable bundle causes crosstalk transceiver design alleviates concerns about crosstalk providing the cable meets all other requirements Noise Crosstalk or externally induced impulses can cause noise Impulse noise may cause data errors if the impulses occur at very specific times during data transmission Generally noise is not a concern If you suspect noise related data errors you may need to reroute the cable or eliminate the source of the impulse noise Temperature Multi pair PVC 24 AWG telephone cables typically have an attenuation of approximately 8 10 dB 100 m at 20 C 68 F The attenuation of PVC insulated cable varies significantly with temperature At temperatures greater than 40 104 F we strongly recommend using plenum rated cable to ensure attenuation remains within specification Page 14 TPXMIM Installation Guide NETWORK REQUIREMENTS 2 3 2 Multimode Fiber Optic Network When connecting a multimode fiber optic link segment to the hub using an EPIM F1 F2 ensure the network meets the following requirements Cable Type Use the EPIM F1 and EPIM F2 for the following multimode fiber optic media 50 125 um fiber optic cabling 62 5 125 um fiber optic cabling 100 140 um fiber optic cabling Attenuation You must test the
41. n Materials Authorization RMA numbers Page 8 TPXMIM Installation Guide CHAPTER 2 SPECIFICATIONS REQUIREMENTS This chapter contains TPXMIM operating specifications and general networking guidelines Before attempting to install the TPXMIM or any additional EPIMs review the requirements and specifications outlined in this chapter Caution Your network installation must meet the conditions guidelines specifications and requirements included in this chapter to ensure satisfactory performance of this equipment Failure to follow these guidelines may produce poor network performance 2 1 OPERATING SPECIFICATIONS This section includes the operating specifications for the TPXMIM Cabletron reserves the right to change these specifications at any time without notice Channels B C Repeater Functionality Preamble Input Minimum of 40 bits Maximum equals the number of bits received Output Minimum of 64 bits last two bits are 1 1 Maximum equals the number of bits received plus 6 JAM Output If a collision occurs on one of the segments the TPXMIM sends a pattern of 1 0 to the other segments TPXMIM Installation Guide Page 9 CHAPTER 2 SPECIFICATIONS REQUIREMENTS Minimum Packet 96 bits including preamble the TPXMIM Repeated extends packet fragments using the JAM 1 0 data pattern FAULT Protection Each segment disconnects itself from the other segments following 31 consecutive collisions or if t
42. nge Violet TX 6 RX 6 RX 6 RX Port 10 22 Pin Pin Pin B37 Yellow Brown RX 1 TX 1 TX 1 TX B38 Brown Yelow RX 2 TX 2 TX 2 TX B39 Yellow Gray 3 RX 3 RX 3 RX TPXMIM Installation Guide Page 47 APPENDIX A TWISTED PAIR WIRING TABLES Table A 1 Twisted Pair Wiring From a Punch Down Block to a 10Base T Device Continued From Punch Down Block To RJ45 Into Into Wallplate Office 10BASE T Drop Device 840 Gray Yellow TX 6 RX 6 RX 6 RX Port 9 21 Pin Pin Pin 833 Yellow Orange RX 1 TX 1 TX 1 TX B34 Orange Yellow RX 2 TX 2 TX 2 TX B35 Yellow Green TX 3 RX 3 RX 3 RX 836 Green Yellow TX 6 RX 6 RX 6 RX Port 8 20 Pin Pin Pin B29 Black Gray RX 1 TX 1 TX 1 TX B30 Gray Black RX 2 TX 2 TX 2 TX B31 Yellow Blue 3 RX 3 RX 3 RX B32 Blue Yellow TX 6 RX 6 RX 6 RX Port 7 19 Pin Pin Pin B25 Black Green 1 1 TX 1 TX B26 Green Black RX 2 TX 2 TX 2 TX B27 Black Brown TX 3 RX 3 RX 3 RX B28 Brown Black TX 6 RX 6 RX 6 RX Port 6 18 Pin Pin Pin B21 Black Blue 1 TX 1 TX 1 TX B22 Blue Black RX 2 TX 2 TX 2 TX B23 Black Orange 3 RX 3 RX 3 RX B24 Orange Black TX 6 RX 6 RX 6 RX Port 5 17 Pin Pin Pin B17 Red Brown RX 1 TX 1 TX 1 TX Page 48 TPXMIM Installation Guide TWISTED PAIR WIRING TABLES Table A 1 Twisted Pair Wiring From a Punch Down Block to
43. nt 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 Technical Data and Computer Software clause at 252 227 7013 Cabletron Systems Inc 35 Industrial Way Rochester New Hampshire 03867 iv TPXMIM Installation Guide CONTENTS CONTENTS CHAPTER 1 INTRODUCTION aac Using This Manual Hee dette denne 1 TPXMIM Features eese ennemis 2 SII E 3 The TPXMIM and Management 4 The TPXMIM and 5 EANVIEWEEBDS Ege et 6 Network Management 7 Related Material 2 2 nennen 7 Getting Helps iic ote aol at lana ets 8 CHAPTER 2 SPECIFICATIONS REQUIREMENTS 2 1 2 2 2 3 2 4 Operating 0 200 9 TPXMIM Network Requirements een 11 2 2 1 20 22 RJ45 Connector Specifications 11 2 2 2 TPXMIM 33 34 Champ Connector Specifications 11 Network 5 13 2 3 1 10BASE T Twisted Pair 13 2 3 2 Multimod
44. of EPIM Figure 3 8 EPIM X Page 32 TPXMIM Installation Guide CONNECTING TO THE NETWORK 3 5 5 Connecting a Fiber Optic Cable to an EPIM F1 F2 or EPIM F3 When connecting a fiber optic link segment to an EPIM FI F2 or EPIM F3 keep the following in mind When connecting a fiber optic link segment with SMA 906 connectors to an EPIM F1 with SMA ports make sure each connector uses half alignment NOT full alignment sleeves Warning A full alignment sleeve damages the receive port SMA 905 connectors do not need alignment sleeves When connecting a fiber optic link segment with ST connectors to an EPIM F2 with ST ports keep in mind that ST connectors attach to ST ports much like BNC connectors attach to BNC ports Insert the connector into the port with the alignment key on the connector inserted into the alignment slot on the port Turn the connector to lock it down The physical communication link consists of two strands of fiber optic cabling the Transmit TX and the Receive RX The Transmit strand from a module port connects to the Receive port of a fiber optic Ethernet device at the other end of the segment 1 TX of the applicable port on the module goes to RX of the other fiber optic device The Receive strand of the applicable port on the module connects to the Transmit port of the fiber optic Ethernet device i e RX of the applicable port on the module goes to TX of the other fiber optic device We recommen
45. ontinue communicating regardless of whether there is an empty slot or an A Channel module between them in the chassis The following table gives the part numbers of the MMAC chassis that have shunting capabilities TPXMIM Installation Guide Page 5 CHAPTER 1 INTRODUCTION Table 1 1 MMACS with Shunting Capabilities MMAC Chassis Part 000000000 5 CC000000000 or above MMAC SENB CG000000000 or above DK000000000 or above 5 all all Note If your MMAC does not have a shunting backplane upgrade kits are available For additional information on shunting backplanes or how to upgrade your hub contact Cabletron Systems Technical Support Ethernet Channel A operates over the MMAC Power and Management Bus Cabletron s original Ethernet channel 1 6 LANVIEW LEDs The TPXMIM incorporates the Cabletron Systems LANVIEW Status Monitoring and Diagnostics System LANVIEW LEDs can help diagnose any problems such as a power failure or a cable fault Each port on the TPXMIM 20 22 modules include the following LANVIEW LEDs e receive LED to indicate network activity on the port aLNK link LED to indicate the connection status of the port The TPXMIM 33 34 modules utilize the above LANVIEW LEDs for all ports except the EPIM ports The EPIMs for the TPXMIM 33 34 use the following LANV
46. repeater functions the TPXMIM greatly enhances the fault tolerance of the MMAC By not relying on one central module to perform repeater functions TPXMIMs eliminate a single point of failure In addition the TPXMIM provides port segment partitioning and reconnection This feature assures that problem segments do not affect any other segments If the TPXMIM detects 31 consecutive collisions on any segment or if a collision detector remains on for more than 110 us the TPXMIM automatically partitions that segment When the TPXMIM receives a good packet from the segment it automatically reconnects 1 3 OVERVIEW The Twisted Pair Switching Media Interface Module TPXMIM provides board or individual port connectivity to any MMAC FNB Ethernet Channel 1 Channels A B or C ports initially default to Channel B upon power up and require a Management Information Base MIB change to access any other channel Refer to Chapter 3 Installation Configuration for additional information on how to assign the TPXMIM board or individual ports to specific channels TPXMIM Installation Guide Page 3 CHAPTER 1 INTRODUCTION The TPXMIM repeats regenerates retimes and transmits each packet it receives assuring data integrity and maximum data path distance Using Repeater Interface Controller RIC technology each TPXMIM complies fully with the 10Base T IEEE 802 31 standard connectivity for Ethernet communications over shielded or unshielded
47. rm each of the following steps until they are a Check that the IOBASE T device and have power b Verify the cabling between the module and the 10B ASE T device c Check the cable for continuity If you cannot establish link contact Cabletron Technical Support 3 5 8 Connecting a Twisted Pair Segment to an EPIM T Before connecting a segment to the EPIM T check each end of the segment to determine wire cross over If the wires do not cross over use the switch on the EPIM T to internally cross over the RJ45 port Refer to Figure 3 6 to properly set the EPIM T cross over switch Note To establish link you must have an odd number of cross overs preferably one between IOBASE T devices of the same type i e from repeater to repeater or transceiver to transceiver Position X crossed over 1 RX 5 NC 2 RX 6 TX 3 7 NC 4 NC 8 NC Position not crossed over 1 5 NC 2 TX 6 RX 3 7 NC 4 NC 8 NC Figure 3 6 EPIM T Cross over Switch Page 30 TPXMIM Installation Guide CONNECTING TO THE NETWORK To connect an EPIM T to a Twisted Pair Segment 1 Connect the twisted pair segment to the module by inserting the RJ45 connector on the twisted pair segment into the RJ45 port on the module See Figure 3 7 2 Check that the LNK LED for the port is ON If the LED is not ON perform each of the following steps until it is a Check that the IOBASE T device at the ot
48. rt Page 40 TPXMIM Installation Guide INSTALLATION CHECK OUT MMAC3 FNB with EMME and TPXMIM File Server Workstation Client Workstation Figure 4 2 Installation Check Out TPXMIM Installation Guide Page 41 CHAPTER 4 TESTING TROUBLESHOOTING 4 3 USING LANVIEW The TPXMIM uses the Cabletron Systems built in visual diagnostic and status monitoring system called LANVIEW With LANVIEW you can quickly scan the TPXMIM LEDs to observe network status or diagnose network problems Channel LEDs TPXMIM 22 ABC ETHERNET OO O RCV LNK OOO 9 RCV LNK RCV LNK ABC ETHERNET OOO 1 2 5 z E lt 2 3 4 5 0000000000000 0000000000000 aan 25285 0000000000000 00000000000000 m 2 um EPIM SEL Port LEDs Figure 4 3 LANVIEW LEDs Page 42 TPXMIM Installation Guide USING LANVIEW Table 4 1 TPXMIM LANVIEW LEDs TPXMIM Installation Guide Sid Error Condition LED Color Description Recommended Acton Ethernet Green When ON these The TPXMIM defaults to Channels LEDs indicate that Channel B on power up If the A B C at least one Channel B L
49. sec round trip If the total propagation delay exceeds 25 6 usec you must use bridges Page 16 TPXMIM Installation Guide TRANSCEIVER REQUIREMENTS Length If you meet all system budgets the maximum single mode fiber optic cable length can reach 5 km 3 1 miles with bridges at each segment end However IEEE 802 3 FOIRL specifications specify a maximum of 1 km 1093 6 yards 2 3 44 Thin net Network When connecting a thin net coaxial segment to your hub using an EPIM C ensure your network meets the following requirements Cable Type Use only 50 ohm RG 58A U type coaxial cable for thin net cable segments Length The thin net segment must not exceed 185 meters Terminators Terminate each end of a thin net segment Connectors You can use up to 29 tee connectors throughout the length of the cable segment for host connections If you use an excessive number of barrel connectors within the cable segment e g finished wall plates with BNC feed throughs you may need to reduce the number of host connections For special network design contact Cabletron Systems Technical Support Grounding For safety ground only one end of a thin net segment Do NOT connect EPIM BNC ports to earth ground Warning Connecting a thin net segment to earth ground at more than one point could produce dangerous ground currents 2 4 TRANSCEIVER REQUIREMENTS When you connect an external network segment to an EPIM A in your hub through
50. t in improper segment operation Place a terminator on any open female connection on the tee connector c Attach another thin coax segment or a terminator to the other female connector on the tee connector When internal termination switch is set to off O Connect BNC tee connector to port Attach a terminator or terminated thin net segment to one female connector of tee connector Connect a terminated thin net segment to other female connector of tee connector Attach thin net segment directly to connector when internal termination switch is set to on 0 Figure 3 10 EPIM C Page 36 TPXMIM Installation Guide CONNECTING TO THE NETWORK 3 5 7 Connecting an AUI Cable to an EPIM A Caution Ensure that the external transceiver to which the EPIM A connects does not have the Signal Quality Error SQE or heartbeat test function enabled The EPIM does not operate if the transceiver has the SQE test function enabled Refer to the applicable transceiver manual for additional information To connect an EPIM A to an external network segment l Check that the PWR LED on the EPIM A is ON If the PWR LED is OFF contact Cabletron Systems Technical Support Attach an external transceiver to the network segment intended for AUI port connection For additional information refer to the applicable transceiver manual Attach an AUI cable no longer than 50 meters in length to the external transceiver Conn
51. the EMME or EMM E6 you can assign either the entire board bank switching or each individual port port assignment to any of the three Ethernet channels on the MMAC FNB i e Channel A B or C Connectivity The TPXMIM series offers four connector versions e TPXMIM 20 nine RJ45 ports one port e TPXMIM 22 twenty one RJ45 ports one port e TPXMIM 33 one 50 pin Champ connector port e TPXMIM 34 two 50 pin Champ connectors one port Page 2 TPXMIM Installation Guide OVERVIEW MIB Navigation Assigning the TPXMIM board or individual ports to specific Ethernet channels or obtaining TPXMIM board or port statistics requires a multi channel management device e g EMME or EMM E6 and access to a MIB walking tool The EMME or EMM E6 allows MIB access both locally i e Local Management and remotely 1 additional Cabletron Remote Management packages For information on how to use the Local Management MIB walking tool refer to either the EMME or EMM E6 Local Management manual For information on how to use a Remote Management MIB walking tool refer to documentation specific to that Remote Management package Compliance Each TPXMIM utilizes Repeater Interface Controller RIC technology RIC technology integrates all repeater functionality into one integrated circuit This makes the TPXMIM fully 10Base T IEEE 802 3i compliant Fault Tolerance By performing its own
52. tring remember the following slots increment from right to left khe farthest right slot 1 contains the multichannel management module in this example the SET command takes into account the 1 3 6 1 prepend 4 Press the Return key The SNMP Tools Screen displays INteger String Null OId IP address Counter Guage Timeticks OPaque DATA TYPE name 5 Enter IN for an integer data type 6 Press the Return key The SNMP Tools screen displays SNMP OID DATA 7 Enter the integer for the desired Channel assignment The following table provides a Channel to integer association MMAC Channel OID Integer Instance A 4 B 1 2 TPXMIM Installation Guide Page 23 CHAPTER 3 INSTALLATION CONFIGURATION 8 Press the Return key If the device accepts the entry it displays SET OPERATION CODE XXXX OK If the module does not accept the entry and an error message appears begin with step 1 again and re enter the information If the module still refuses to accept the entry contact Cabletron Technical Support 3 3 2 Assigning Individual TPXMIM Ports The TPXMIM allows the option of assigning individual ports to a specific MMAC Channel i e Channel A B or C To assign an individual TPXMIM port refer to the following instructions and set the MIB using the desired variable To assign an individual port 1 From the SNMP Tools screen highlight SET using the arrow keys 2 Press
53. twisted pair cabling In addition to providing full connectivity to the MMAC backplane each TPXMIM provides the option of installing an external Ethernet Port Interface Module EPIM Each TPXMIM provides one slot on the front panel for your choice of an optional EPIMs provide an additional Ethernet connection for various media types twisted pair fiber optic and thick or thin Ethernet coaxial cable The following list contains the currently available EPIMs and their media types e EPIM T 10Base T Twisted Pair Segment Interface Module EPIM FI EPIM F2 Multimode Fiber Optic Segment Interface Modules using SMA ST style connectors Single Mode Fiber Optic Segment Interface Module EPIM C Thin net Coaxial Segment Interface Module AUI Cable Segment Interface Modules Since the TPXMIM is SNMP compliant you can control and monitor the device using various SNMP Network Management packages including Cabletron Systems SPECTRUM Portable Management Applications SPMA products 1 4 THE TPXMIM AND MANAGEMENT MODULES The TPXMIM requires a multichannel management module 1 EMME EMM E6 etc in slot 1 farthest right slot of the The multi channel management module provides the capability of setting the board or individual ports to Channels other than Channel B default and repeating to any Channel i e Channel A B or C In addition the use of a multi channel

Enterasys (TPXMIM-34) Networking Hub

Contents

Download Pdf Manuals

Related Search

Related Contents