Cabletron Systems TRRMIM-2AT, Installation Manual

Page 1: ...TRRMIM AT TRRMIM 2AT TRRMIM 4AT TRRMIM F2T TRRMIM F3T ACTIVE TOKEN RING REPEATER MODULES INSTALLATION GUIDE CABLETRON SYSTEMS P O Box 5005 Rochester NH 03867 5005 The Complete Networking Solution ...

Page 2: ...ES 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 July 1993 by Cabletron Systems Inc P O Box 5005 Rochester NH 03867 0505 All Rights Reserved Printed in the United States of America Order Number 9030502 ...

Page 3: ...perator 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 t...

Page 4: ...TER 2 INSTALLATION REQUIREMENTS SPECIFICATIONS 2 1 Network Requirements 2 1 2 1 1 Cable Specifications 2 1 2 1 2 Trunk Cable Lengths 2 9 2 1 3 Cabling Recommendations 2 10 2 1 4 Temperature 2 12 2 2 Maximum Number of Stations 2 12 2 3 Operating Specifications 2 12 2 3 1 Ring Speed 2 12 2 3 2 Ring Sequence 2 13 2 3 3 LANVIEW LEDs 2 14 2 3 4 Connectors 2 17 2 3 5 General Specifications 2 20 CHAPTER ...

Page 5: ...ND STP LOBE CABLING 3 4 3 5 1 Attaching Stations to the TRRMIM 2AT 3 6 3 5 2 Attaching Stations to the TRRMIM 4AT 3 8 3 6 Fiber Optic Lode Cabling 3 9 3 7 Ring in Ring out Ports TPIM 3 11 3 8 Finishing the Installation 3 13 CHAPTER 4 TESTING AND TROUBLESHOOTING 4 1 Installation Check out 4 1 4 2 Using LANVIEW 4 2 ...

Page 6: ...is manual to describe features and functions that are common to all repeater MIMs The terms TRRMIM AT TRRMIM 2AT TRRMIM 4AT TRRMIM F2T and TRRMIM F3T are only used when it is necessary to describe features that are unique to a specific device 1 1 USING THIS MANUAL Prior to installing and operating your repeater read through this manual completely to familiarize yourself with its contents and to ga...

Page 7: ...d by the plug in Token Ring Port Interface Modules TPIM may use either fiber optic unshielded twisted pair UTP or shielded twisted pair STP cabling Ring connections are also made via the MMAC Flexible Network Bus allowing other MIMs to be a part of the ring Both the internal and external ring connections are active connections and provide regeneration reshaping and retiming of both the main and ba...

Page 8: ...is installed in the MMAC Management packages such as Cabletron Systems Local Management Remote LANVIEW Windows and SPECTRUM may be used LANVIEW LEDs are visible at the front panel of the repeaters showing the status of several operational functions of the repeaters LANVIEW is a useful tool for quickly diagnosing physical layer problems 1 2 1 The TRRMIM AT TRRMIM 2AT and TRRMIM 4AT The TRRMIM AT TR...

Page 9: ...d twisted pair UTP and IBM Type 3 UTP cable ERR 16 MB MGMT RI RO CRS16 PEN AWEN TRRMIM AT R I T P I M R O T P I M ERR 16 MB MGMT RI RO CRS16 PEN AWEN TRRMIM 2AT R I T P I M R O T P I M LNK PEN 1 2 3 4 5 6 7 8 9 10 11 12 1 X 2 X 3 X 4 X 5 X 6 X 7 X 8 X 9 X 10 X 11 X 12 X ERR 16 MB MGMT RI RO CRS16 PEN AWEN TRRMIM 4AT R I T P I M R O T P I M LNK PEN 1 2 3 4 5 6 7 8 9 10 11 12 1 X 2 X 3 X 4 X 5 X 6 X...

Page 10: ...d pair cable 1 2 2 The TRRMIM F2T and TRRMIM F3T The TRRMIM F2T and TRRMIM F3T have two front panel TPIMs for Ring in and Ring out connections see Figure 1 2 A variety of media types are supported Both repeaters provide six fiber optic ports for station lobe cabling The TRRMIM F2T supports multimode fiber optic cable and the TRRMIM F3T support single mode cable for the lobe connections ...

Page 11: ...dia Table 1 1 lists the available TPIMs ERR 16 MB MGMT RI RO CRS16 PEN AWEN TRRMIM F2T R I T P I M R O T P I M TX RX FLNK INS 1 TX RX FLNK INS 2 TX RX FLNK INS 3 TX RX FLNK INS 4 TX RX FLNK INS 5 TX RX FLNK INS 6 ERR 16 MB MGMT RI RO CRS16 PEN AWEN TRRMIM F3T R I T P I M R O T P I M TX RX FLNK INS 1 TX RX FLNK INS 2 TX RX FLNK INS 3 TX RX FLNK INS 4 TX RX FLNK INS 5 TX RX FLNK INS 6 ...

Page 12: ...the Cabletron Systems TRMM 1 5 RECOMMENDED READING The following publications are recommended if more information is required on implementing a Token Ring network Local Area Networks Token Ring Access Method IEEE Standard 802 5 Commercial Building Wiring Standard EIA Standard Proposal No 1907 B if approved to be published as EIA TIA 568 Table 1 1 Available TPIMs TPIM Media Type Connector TPIM T1 S...

Page 13: ...G HELP If you need additional support related to the Cabletron Systems Token Ring products or if you have any questions comments or suggestions related to this manual please contact Cabletron Systems Technical Support at Cabletron Systems Inc P O Box 5005 Rochester NH 03867 0505 Phone 603 332 9400 ...

Page 14: ...uidelines may result in unsatisfactory network performance 2 1 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 are critical factors in determining the reliability of your network The following are the network requirements to operate this equipment 2 1 1...

Page 15: ... unit TCU ports The TRRMIM F2T supports multi mode fiber optic cables using ST connectors The TRRMIM F3T supports single mode fiber optic cable using ST style connectors STP CABLE TYPES The TRRMIM 4AT TPIM T1 and TPIM T4 support IBM Type 1 2 6 and 9 STP cabling as described in Table 2 1 STP cabling must conform to the limits shown in Table 2 2 ...

Page 16: ... ft Type 1 Two shielded twisted pairs STP of 22 AWG solid wire for data Used for the longest cable runs within the walls of buildings Type 2 Similar to Type 1 data cable but having four additional unshielded twisted pairs of 22 AWG solid wire These are carried outside of the shield casing and are typically used for voice communication Frequently used to wire cable runs within the walls of building...

Page 17: ...le type Trunk Length The maximum trunk cable length between repeaters or between a repeater and another active device is equal to the maximum drive distance refer to Table 2 4 When the neighboring token ring device is a passive device the combined length of the connecting trunk cable and twice the longest lobe cable attached to the passive ring segment cannot exceed the maximum drive distance Tabl...

Page 18: ...n as supergrade or level 4 are becoming available that exhibit improved transmission characteristics These improved grades of UTP can often be used to permit operation at 16 Mbit sec on longer lobe cables Attenuation and Impedance The maximum attenuation for UTP cabling is shown in Table 2 5 The values listed include the attenuation of the cables connectors patch panels and reflection losses due t...

Page 19: ... used in UTP telephone circuits could present a shock hazard and can damage token ring equipment when connected to token ring cabling MAXIMUM CABLE LENGTH Lobe Length is the physical length of the cable connecting a station to its TCU port at the repeater Table 2 6 shows the maximum lobe length according to ring speed for each repeater The cable lengths listed in the table show a total length of t...

Page 20: ... TPIM F2 the following network requirements must be met Cable Type The cable must be one of the following multi mode fiber optic media 50 125 µm fiber optic cabling 62 5 125 µm fiber optic cabling 100 140 µm fiber optic cabling Attenuation The fiber optic cable must be tested with a fiber optic attenuation test set that is adjusted for an 850 nm wavelength This test verifies that the signal loss i...

Page 21: ...th is 2 km Single Mode Fiber Optic Network Requirements When connecting a single mode fiber optic link segment to a TRRMIM F3T or a TPIM F3 the following network requirements must be met The fiber optic link segment should consist of 8 125 12 125 µm single mode µm fiber optic cabling You can also use 62 5 125 µm multimode cable however optical loss will be greater with multimode cable and distance...

Page 22: ...ed When using single mode fiber optic cable segment lengths up to 10 km are possible if system budgets are met However the IEEE 802 5J specification allows for a maximum length of 2 km 2 1 2 Trunk Cable Lengths The maximum trunk cable length between repeaters or between a repeater and another active device is equal to the maximum drive distance refer to Table 2 7 When the neighboring token ring de...

Page 23: ... meters of Type 1 max length 60 meters of Type 1 0 66 x 40 meters of Type 6 max length 26 4 meters of Type 6 for patch panel and wall jack connections 2 1 3 Cabling Recommendations Crosstalk noise and the number and quality of connections determine reliable data propagation and your network s error rate Crosstalk is interference caused by signal coupling between the different cable pairs contained...

Page 24: ...way from sources of electrical noise such as a Power lines b Fluorescent lights c Electric motors d Radio interference e Heavy machinery Token ring signals should not be routed through UTP cables that exit a building or which are adjacent to cables either exiting a building or exposed to lightning strikes and power surges UTP cables that contain token ring signals should not be simultaneously used...

Page 25: ...be cabling the maximum number of stations is 250 The maximum number of stations when UTP cabling is used anywhere in a network is 150 These limits apply for both 4 Mbit sec and 16 Mbit sec ring speeds 2 3 OPERATING SPECIFICATIONS This section lists the operating specifications for the repeaters Cabletron Systems reserves the right to change these specifications at any time without notice 2 3 1 Rin...

Page 26: ... order and then out the Ring Out port When multiple token ring boards are installed in consecutive slots and attached via the FNB the sequence is in ascending slot number order When the repeater is attached via the FNB to other token ring boards the ring sequence begins at the Ring In port of the repeater threads through the TCU ports on the repeater and is routed out via the FNB to the next highe...

Page 27: ...s refer to the specific product manuals 2 3 3 LANVIEW LEDs The LANVIEW LEDs their locations and functions are the same for the three repeaters Their locations are illustrated on the TRRMIM 2AT in Figure 2 1 Definitions for the LANVIEW LEDs on the front panel of the repeaters are listed in Table 2 8 The TPIMs also have a LNK Link LED on their front panel which lights when Phantom current is receive...

Page 28: ...CIFICATIONS Page 2 15 Figure 2 1 LANVIEW LED Locations ERR 16 MB MGMT RI RO CRS16 PEN AWEN TRRMIM 2AT LNK PEN 1 2 3 4 5 6 7 8 9 10 11 12 MGMT LNK PEN ERR 16MB CRS16 PEN AWEN FLNK INS 1 FLNK INS TRRMIM F2T and F3T only ...

Page 29: ...ow Port Enabled ON The associated port is enabled OFF The associated port is disabled Blinking Device attempting to connect at the wrong ring speed CRS16 Yellow 16 Mbit s carrier sensed ON 16 Mbit s carrier sensed at the respective trunk port OFF 4 Mbit s carrier sensed at the respective trunk port AWEN Yellow Auto Wrap enabled ON Ring In Ring Out port set to wrap mode OFF No Autowrap capability n...

Page 30: ... 2AT and TRRMIM 4AT provide TCU port connections via female RJ 45 receptacles on the front panel Figure 2 2 shows the pinouts required for the mating male RJ 45 plugs for both UTP and STP versions of the repeaters The RJ 45 connectors male and female used with the TRRMIM 4AT are encased in a metallic shield that is connected to the cable shield The shield continuity is maintained by contacts withi...

Page 31: ...e TRRMIM 2AT The Type 3 Media Filter provides impedance matching from the Type 3 UTP lobe cabling to the Type 1 STP interface provided with many token ring stations In some token ring stations the media filter is integrated into the station Figure 2 4 UTP Lobe Cable Connections TRMIM 2A TRMIM 4A TCU Port Patch Panel Token Ring Station TX TX RX RX 4 5 6 3 TX TX Shielded RJ 45 Data Connector MIC Shi...

Page 32: ...fiber optic pairs RX and TX as an alternative to the STP trunk cable connections see Figure 2 5 At the Ring In ports TX connects to the backup ring path and RX is connected to the primary ring path At the Ring Out ports TX connects to the primary ring path and RX connects to the backup ring Figure 2 5 Fiber Optic ST Connections TX RX ST Fiber OpticPort ST Connector ...

Page 33: ...be a part to ensure that the total system meets allowed limits of conducted and radiated emissions This equipment is designed in accordance with UL478 UL910 NEC 725 2 b CSA IEC TUV VDE Class A and meets FCC Part 15 Subparagraph J Class A limits PHYSICAL Dimensions 13 4D x 11 5H x 2 0W inches 34 0D x 29 2H x 5 1W centimeters includes front panel Weight 2 lbs 2 oz 963 9 grams ...

Page 34: ...cts When you install your repeater into an MMAC these guidelines must be followed The repeater cannot be installed into the right most slot The right most slot is reserved for management modules If the repeater is being installed into an MMAC 8FNB be sure that a Power Supply Module PSM or PSM R is installed in the associated rear power supply slot The PSM or PSM R is the source of power for MMAC m...

Page 35: ...rotective bag in a static free area to protect the MIM from ESD damage 3 Inspect the repeater for physical damage and contact Cabletron Systems Technical Support immediately if any problems exist 3 2 SETTING THE DEFAULT RING SPEED The default ring speed is set by a hardware jumper on the repeater board NOTE The network speed is also selectable by software The software selection overrides the hardw...

Page 36: ...3 1 3 3 INSTALLING THE REPEATER INTO A MMAC Install the repeater into the MMAC as follows 1 Power off the MMAC where the repeater will be installed by unplugging the AC cord from the wall outlet 2 Remove the selected blank panel from the MMAC and slide the repeater board see Figure 3 2 into the MMAC card cage Be sure that the card is inserted in the top and bottom slots of the card cage Figure 3 2...

Page 37: ...ted to Ring Out port Connections are made to the front panel TPIMs 3 5 UTP AND STP LOBE CABLING The TRRMIM 2AT and TRRMIM 4AT are equipped with twelve TCU ports The physical lobe connection from the concentrator module to the token ring station does not require the use of a crossover cable The TCU and token ring station connectors are wired such that the transmit pair from the concentrator module ...

Page 38: ...tor MIC are available from Cabletron Systems These adapter patch cables permit connecting to an existing patch panel equipped with data connectors see Figure 3 3 Figure 3 5 Shielded Adapter Patch Cable Table 3 1 Connector Pinout Cross Reference Signal Name RJ 11 6 pin modular connector RJ 45 8 pin modular connector Data Connector MIC connector DB 9 9 pin D shell genderless TX 5 6 O Orange 9 TX 2 3...

Page 39: ...ing 3 5 1 Attaching Stations to the TRRMIM 2AT The UTP lobe cabling from the token ring station can be connected at any of the TRRMIM 2AT TCU ports In some installations existing UTP building wiring can be used for token ring cabling DO NOT connect UTP cabling to any non token ring network conductors telephone etc or ground TX TX RX RX 6 3 4 5 Token Ring Station TX TX RX RX 4 5 6 3 TYPE 3 MEDIA FI...

Page 40: ...nnect the other end of the cable to the appropriate patch panel jack Install RJ 45 to MIC adapters as needed NOTE UTP patch cables are available from Cabletron Systems RJ 45 to RJ 11 P N 9360082 RJ 45 to open P N 9360083 and RJ 45 to RJ 45 P N 9360084 A Type 3 Media Filter must be installed at the station end of the lobe cabling used with the TRRMIM 2AT Some stations incorporate an internal filter...

Page 41: ...r Otherwise connect the other end of the patch cable to the station port 5 Repeat this process for each station 3 5 2 Attaching Stations to the TRRMIM 4AT The STP lobe cabling from the token ring station can be connected at any of the TRRMIM 4AT TCU ports Connect stations to the TRRMIM 4AT as follows 1 Insert the male RJ 45 connector from one end of the lobe cable to the desired TCU port 1X throug...

Page 42: ...RMIM 4AT TCU port and the patch panel 3 Repeat these steps for each station 3 6 FIBER OPTIC LOBE CABLING When connecting a fiber optic link segment keep the following in mind When connecting a fiber optic link segment with ST connectors keep in mind that ST connectors attach to ST ports much like BNC connectors attach to BNC ports The connector is inserted into the port with the alignment key on t...

Page 43: ...it When you buy fiber optic cable from Cabletron Systems it is labeled so that at one end of the cable one fiber is labeled 1 and the other fiber is labeled 2 This pattern is repeated at the other end of the cable If you did not purchase your cable from Cabletron Systems be sure you have labeled your cable in the manner described above Caution Do not touch the ends of the fiber optic strands and d...

Page 44: ...n at the front of the repeater see Figure 3 7 Attach the Receive cable at the appropriate RX ST connector Figure 3 7 ST Fiber Optic Ring Connections 3 7 RING IN RING OUT PORTS TPIM The Ring in and Ring out port are provided by TPIM modules These allow various media to be used Table 3 1 lists the available TPIMs TX RX ST Fiber OpticPort ST Connector ...

Page 45: ...he RI RO switch to the RI RO position See Figure 3 10 3 Slide the new TPIM in place making sure the connector on the rear mates properly with the connector inside the MIM 4 Reinstall the mounting screw Figure 3 9 TPIM Replacement Table 3 2 Available TPIMs TPIM Media Type Connector TPIM T1 Shielded Twisted Pair DB9 connector TPIM T2 Unshielded Twisted Pair RJ 45 connector TPIM T4 Shielded Twisted P...

Page 46: ...station that is attached and inserted into the ring If errors are indicated proceed to Chapter 4 Testing and Troubleshooting Top View TPIM T1 TPIM T2 TPIM T4 Phantom Switch Settings 1 Cabletron Devices 0 Non Cabletron Devices RI RO Switch Settings RI RO Ring In Ring Out Applications S Station Applications TPIM F2 TPIM F3 Phantom Switch Settings C Cabletron Devices Opposite Setting Non Cabletron De...

Page 47: ...Page 3 14 The repeater is now ready for operation Before placing the network into service test the installation thoroughly making sure that all stations are able to be addressed and that the data is being relayed without error ...

Page 48: ...nd the MMAC are connected to the proper AC power source 120 VAC or 240 VAC and powered on 2 Check that a PSM or PSM R is installed for the slot where the repeater is installed 3 Verify the default ring speed jumper and configuration switch settings 4 Trace the ring path through the network to be sure that there are no breaks in the ring and that it is free from logical design errors While tracing ...

Page 49: ...g MIMs together and 16 Mbit sec Token Ring MIMs together 4 Check that the lobe cabling for each of the attached stations does not exceed the maximum lobe length and that the maximum number of stations is not exceeded If problems persist after performing these checks contact Cabletron Systems Technical Support 4 2 USING LANVIEW LANVIEW Cabletron Systems built in visual diagnostic and status monitor...

Page 50: ...UBLESHOOTING Page 4 3 Figure 4 1 LANVIEW LED Locations ERR 16 MB MGMT RI RO CRS16 PEN AWEN TRRMIM 2AT LNK PEN 1 2 3 4 5 6 7 8 9 10 11 12 MGMT LNK PEN ERR 16MB CRS16 PEN AWEN FLNK INS 1 FLNK INS TRRMIM F2T and F3T only ...

Page 51: ...inserted but the port is disabled by management Red Station trying to insert is at the wrong ring speed Table 4 1 LANVIEW LED Description Label Color Description ERR Red Error or Speed Fault detected ON Hardware error detected OFF Normal operation Flashing Software detected recoverable error 16 Mb Yellow Ring Speed Indicator on 16 Mbit s mode selected off 4 Mbit s mode selected MGMT Green Manageme...