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Cabletron Systems TRRMIM-2AT Installation Manual

Other manuals for TRRMIM-2AT: User Manual
Manual is about: Token Ring Port Switching Media Interface Modules

Summary of TRRMIM-2AT

  • 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: Notice

    Notice i 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 soft...

  • Page 3: Notice

    Notice ii 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. Not...

  • Page 4: Contents

    Contents iii contents chapter 1 introduction 1.1 using this manual........................................................................ 1-1 1.2 the trrmim ................................................................................ 1-2 1.2.1 the trrmim -at, trrmim-2at and trrmim-4at 1-3 1.2.2...

  • Page 5: Contents

    Contents iv 3.3 installing the repeater into a mmac........................................3-3 3.4 attaching trunk cables to the repeater ...................................3-4 3.5 utp and stp lobe cabling................................................3-4 3.5.1 attaching stations to the trrmim-2at ...

  • Page 6: Introduction

    Introduction page 1-1 chapter 1 introduction welcome to the trrmim-at, trrmim-2at, trrmim-4at, trrmim-f2t, & trrmim-f3t active token ring repeater modules installation guide . This installation guide serves as a reference for installing and troubleshooting the cabletron systems token ring repeaters ...

  • Page 7: Introduction

    Introduction page 1-2 chapter 3, installing the repeater , gives instructions for installing a token ring repeater into an mmac, connecting stations, and inserting the repeater into a token ring network. Chapter 4, testing and troubleshooting , describes testing and troubleshooting the installation ...

  • Page 8: Introduction

    Introduction page 1-3 802.5) and link speed (4 mbit/s or 16 mbit/s) can be linked, via the fnb, into a single token ring network. Multiple mmacs can be connected via the externally accessible ring-in/ring-out ports of the repeater. Any snmp manager can be used to control and monitor these repeaters ...

  • Page 9: Introduction

    Introduction page 1-4 figure 1-1 the trrmim-at, -2at, and -4at the trrmim-2at provides twelve active unshielded rj-45 connectors supporting unshielded twisted pair (utp) station (lobe) cabling. These ports support voice grade unshielded twisted pair (utp) and ibm type 3 utp cable. Err 16 mb mgmt ri ...

  • Page 10: Introduction

    Introduction page 1-5 the trrmim-4at provides twelve active shielded rj-45 tcu ports supporting shielded twisted pair (stp) cabling. These ports support ibm type 1, 2, 6 and 9 shielded twisted pair cable. 1.2.2 the trrmim-f2t and trrmim-f3t the trrmim-f2t, and trrmim-f3t have two front panel tpims f...

  • Page 11: Introduction

    Introduction page 1-6 figure 1-2 the trrmim-f2t and trrmim-f3t 1.3 ring-in ring-out connections tpims are used for the ring-in and ring-out connections and provide for many types of media. 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 ...

  • Page 12: Introduction

    Introduction page 1-7 1.4 related manuals the manuals listed below should be used to supplement the procedures and other technical data provided in this manual. The procedures in them will be referenced, where appropriate, but will not be repeated. Cabletron systems multi media access center overvie...

  • Page 13: Introduction

    Introduction page 1-8 lan troubleshooting handbook , mark miller (1989, m&t publishing, inc.) 1.6 getting 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 s...

  • Page 14: Requirements/specifications

    Requirements/specifications page 2-1 chapter 2 installation requirements/specifications this chapter defines the requirements for other network elements that will work with your token ring repeater and describes the operational specifications for the trrmim-at, trrmim-2at trrmim-4at, trrmim-f2t, and...

  • Page 15: Requirements/specifications

    Requirements/specifications page 2-2 • the trrmim-4at supports ibm shielded twisted pair (stp) cable types 1, 2, 6, and 9 on its twelve trunk coupling unit (tcu) ports. • the trrmim-f2t supports multi-mode fiber optic cables using st connectors. • the trrmim-f3t supports single-mode fiber optic cabl...

  • Page 16: Requirements/specifications

    Requirements/specifications page 2-3 table 2-1 ibm cable types attenuation and impedance the maximum attenuation for specific stp cable types is shown in table 2-2. The attenuation values include the attenuation of the cables, connectors, patch panels, and reflection losses due to impedance mismatch...

  • Page 17: Requirements/specifications

    Requirements/specifications page 2-4 maximum cable length two cable lengths are defined for the repeaters, lobe length and trunk length . Lobe length - the lobe length is the physical length of the cable connecting a station to its tcu port at the repeater. Table 2-3 shows the maximum lobe length, a...

  • Page 18: Requirements/specifications

    Requirements/specifications page 2-5 utp cable types the trrmim-2at and the tpim-t2 support d-inside wiring (diw) voice grade unshielded twisted pair (utp) cable as described in eia sp-1907b . Voice grade utp cabling (e.G., ibm type 3 utp) must conform to the limits shown in table 2-3. The increased...

  • Page 19: Requirements/specifications

    Requirements/specifications page 2-6 note: ibm type 3 - consists of four unshielded twisted pairs of 24 awg solid wire for data or voice communication and is typically used to wire cable runs within the walls of buildings. In some installations, existing utp building wiring can be used for token rin...

  • Page 20: Requirements/specifications

    Requirements/specifications page 2-7 table 2-6 maximum lobe length type 3 media filter when connecting token ring devices that are not equipped with a type 3 media filter to a utp port, a type 3 media filter, such as the cabletron systems trmf or trmf-2, must be installed in line with the lobe cable...

  • Page 21: Requirements/specifications

    Requirements/specifications page 2-8 - 13.0 db or less for 50/125 fiber cable segment. - 16.0 db or less for 62.5/125 fiber cable segment. - 19.0 db or less for 100/140 fiber cable segment. • budget and propagation delay - when determining the maximum fiber optic cable length, the fiber optic budget...

  • Page 22: Requirements/specifications

    Requirements/specifications page 2-9 • fiber optic budget is the combination of the optical loss due to the fiber optic cable, in-line splices, and fiber optic connectors (the loss for each splice and connector is typically 1 db or less). • propagation delay is the amount of time it takes a packet t...

  • Page 23: Requirements/specifications

    Requirements/specifications page 2-10 mixed cable types - if you mix cable types in your installation, you must compensate for the different cable attenuations. Type 6 and type 9 cables can be run for only 2/3 the distance of type 1. This means: 10 meters (type 1) ≈ 6.6 meters (types 6, 9) example: ...

  • Page 24: Requirements/specifications

    Requirements/specifications page 2-11 equipment), or to ensure that the electrical wiring in the area is properly wired and grounded. In addition to complying with the preceding cable specifications, the following recommendations should be followed to minimize errors and help to obtain optimum perfo...

  • Page 25: Requirements/specifications

    Requirements/specifications page 2-12 • when possible, use dedicated utp cable for token ring signals. 2.1.4 temperature the attenuation of pvc insulated cable varies significantly with temperature. Plenum-rated cables are strongly recommended at temperatures greater than 40 ° c to ensure that cable...

  • Page 26: Requirements/specifications

    Requirements/specifications page 2-13 2.3.2 ring sequence when multiple token ring boards (set to the same ring speed) are installed in adjacent slots within an mmac, they can be attached via the fnb to create a larger ring network. The default configuration for a token ring repeater automatically l...

  • Page 27: Requirements/specifications

    Requirements/specifications page 2-14 12, via the fnb to slot 1 ports 2, 5, 8, 12. It then returns to slot 2 and out the ring-out port of the trrmim-2at. For the ring order of other cabletron systems token ring products, refer to the specific product manuals. 2.3.3 lanview leds the lanview leds, the...

  • Page 28: Requirements/specifications

    Requirements/specifications 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: Requirements/specifications

    Requirements/specifications page 2-16 table 2-8 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...

  • Page 30: Requirements/specifications

    Requirements/specifications page 2-17 2.3.4 connectors tcu ports -the physical lobe connection from the tcu port on the repeater to the token ring station does not require a crossover cable. The tcu and token ring station connectors are wired such that the transmit pair (tx+, tx-) from the repeater ...

  • Page 31: Requirements/specifications

    Requirements/specifications page 2-18 shielded patch cables that adapt a shielded rj-45 to a data connector (mic) are available from cabletron systems. These adapter/patch cables permit connecting to an existing patch panel equipped with data connectors (see figure 2-3). Figure 2-3 stp adapter/patch...

  • Page 32: Requirements/specifications

    Requirements/specifications page 2-19 fiber optic trunk connections -the tpim-f2 or f3 provide a pair of st fiber optic trunk cable connections. This allows attaching 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 connect...

  • Page 33: Requirements/specifications

    Requirements/specifications page 2-20 2.3.5 general specifications safety warning: it is the responsibility of the person who sells the system to which the trrmim modules will be a part to ensure that the total system meets allowed limits of conducted and radiated emissions. This equipment is design...

  • Page 34: Installing The Repeater

    Installing the repeater page 3-1 chapter 3 installing the repeater this chapter contains instructions for installing a cabletron systems repeater into an mmac, connecting token ring station cabling to the trunk coupling unit ports, and making connections to the trunk cable connections. Be sure that ...

  • Page 35: Installing The Repeater

    Installing the repeater page 3-2 3.1 unpacking the repeater unpack the repeater and inspect it for damage as follows: 1. Carefully remove the repeater from the shipping box. Save the box and materials in the event that the unit has to be repackaged and shipped. 2. Remove the repeater from its protec...

  • Page 36: Installing The Repeater

    Installing the repeater page 3-3 1. Set the board on a flat surface with the component side facing up and the front panel to the right. 2. Locate hardware jumper j1 and position it over the proper pins on the repeater board to set the default ring speed to 4 or 16 mbit/sec (see figure 3-1). 3.3 inst...

  • Page 37: Installing The Repeater

    Installing the repeater page 3-4 3. Secure the module to the mmac by tightening the knurled knobs. Failure to firmly secure the mim may cause improper operation. 3.4 attaching trunk cables to the repeater prior to connecting cables, check that the pinouts and maximum cable lengths throughout the sys...

  • Page 38: Installing The Repeater

    Installing the repeater page 3-5 the trrmim-2at uses voice grade utp cabling and attaches to the front panel of the repeater using unshielded rj-45 connectors. The lobe cabling used with the trrmim-4at is ibm type 1, 2, 6 or, 9 and requires shielded rj-45 connections. Refer to chapter 2, installatio...

  • Page 39: Installing The Repeater

    Installing the repeater page 3-6 a type 3 media filter (see figure 3-4), must be used when connecting the utp lobe cable from a trrmim-2at tcu port to a token ring station that is not equipped with an internal filter. A type 3 media filter, such as the cabletron systems trmf, provides impedance matc...

  • Page 40: Installing The Repeater

    Installing the repeater page 3-7 warning: telephone battery and ringing voltages, used in utp telephone circuits, could present a shock hazard and can damage token ring equipment when connected to token ring cabling. Connect the stations at the trrmim-2at as follows: 1. Connect the male rj-45 connec...

  • Page 41: Installing The Repeater

    Installing the repeater page 3-8 3. Attach the utp lobe cable at the station. Connect one end of a patch cable at the wall plate. 4. If your equipment requires an external type 3 media filter, connect the other end of the patch cable to the media filter. Otherwise connect the other end of the patch ...

  • Page 42: Installing The Repeater

    Installing the repeater page 3-9 figure 3-6 attaching the station cable at the tcu port 2. If a patch panel is to be used, attach the other end of the cable to the appropriate patch panel jack. (an rj-45 to mic adapter may be needed to connect between the trrmim-4at tcu port and the patch panel.) 3....

  • Page 43: Installing The Repeater

    Installing the repeater page 3-10 into the alignment slot on the port. The connector is then turned 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 the applicable port on the module wi...

  • Page 44: Installing The Repeater

    Installing the repeater page 3-11 4. Attach the fiber optic cables according to labeling. Attach the transmit cable to the appropriate tx (st) connection 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 conne...

  • Page 45: Installing The Repeater

    Installing the repeater page 3-12 to install a tpim, proceed as follows: 1. Remove the mounting screw shown in figure 3-9 and pull the tpim straight out. 2. Set the phantom (autowrap enable) switch to the proper position - on if connecting to cabletron devices, or off if connecting to non-cabletron ...

  • Page 46: Installing The Repeater

    Installing the repeater page 3-13 figure 3-10 tpim switches 3.8 finishing the installation 1. Power on the mmac and all attached stations. 2. Check that all leds on the mim and any leds at the attached stations indicate proper operation (with no errors). The green link attached leds on the repeater ...

  • Page 47: Installing The Repeater

    Installing the repeater 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: Testing and Troubleshooting

    Testing and troubleshooting page 4-1 chapter 4 testing and troubleshooting this section contains procedures for verifying that the repeater has been properly installed and connected to the token ring network. A description of lanview and its function in troubleshooting physical layer network problem...

  • Page 49: Testing and Troubleshooting

    Testing and troubleshooting page 4-2 5. Check the network ring speed: a. Be sure the ring speed matches the station and cable specifications listed in chapter 2, installation requirements/specifications . B. Check that all devices in the ring network are set to the same ring speed. Check all mims an...

  • Page 50: Testing and Troubleshooting

    Testing and troubleshooting 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: Testing and Troubleshooting

    Testing and troubleshooting page 4-4 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 managemen...