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Cabletron Systems TRMIM-10R Installation Manual

Manual is about: TOKEN RING MEDIA INTERFACE MODULE

Summary of TRMIM-10R

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    Trmim-10r token ring media interface module installation guide cabletron systems, p. O. Box 5005, rochester, nh 03867-5005 the complete networking solution.

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    Notice cabletron systems reserves the right to make changes in specifica- tions 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 de...

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    Fcc notice this device complies with part 15 of 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 re- ceived, including interference that may cause undesired operation. Warning: this e...

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    Contents contents chapter page chapter 1 introduction 1.1 using this manual ......................................................................1-1 1.2 the trmim-10r ..........................................................................1-2 1.3 related manuals .....................................

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    Contents iv contents (cont.) chapter 4 testing and troubleshooting 4.1 installation check-out ................................................................4-1 4.2 using lanview .........................................................................4-2 appendix a basic token ring networks a.1 ba...

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    Introduction page 1-1 chapter 1 introduction welcome to the trmim-10r token ring passive concentrator media interface module installation guide. This guide is designed to serve as a reference for the installation and troubleshooting of cabletron systems' trmim-10r. The trmim-10r is a token ring netw...

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    Introduction page 1-2 appendix a, basic token ring networks, covers basic operation and concepts related to the design of token ring networks. Appendix b, applications, presents a variety of network configurations, showing practical applications for several cabletron systems' token ring products. Ap...

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    Introduction page 1-3 several leds are located on the front panel of the trmim-10r. These leds indicate the ring speed, the detection of a hardware error in the trmim-10r, and the status of trmim-10r ports. These leds are a useful tool for quickly diagnosing physical layer problems. A variety of net...

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    Introduction page 1-4 1.3 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 in this document. Cabletron systems' multi-media acc...

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    Requirements/specifications page 2-1 chapter 2 installation requirements/ specifications before you attempt to install cabletron systems' token ring products, review the installation requirements and operating specifications outlined in this chapter. The conditions, guidelines and requirements descr...

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    Requirements/specifications page 2-2 table 2-1 (cont.). Ibm cable types type 3 usually four unshielded twisted pairs (utp) of 24 awg solid wire for data or voice communication. Used for cable runs in walls of buildings. Type 5 two 100/140 µ m optical fibers in a single sheath. Type 6 two stp of 26 a...

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    Requirements/specifications page 2-3 • lobe length - this is the physical length of stp cable connecting a station to the trunk coupling unit (tcu) port on the trmim-10r. The recommended maximum length for the longest lobe cable is shown in table 2-2. This is a recommended maximum because cable leng...

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    Requirements/specifications page 2-4 table 2-3. Maximum cable attenuation 4.0 mhz 16.0 mhz stp (ibm types 1 & 2) 22 db/km 45 db/km stp (ibm types 6 & 9) 33 db/km 66 db/km 2.1.4 impedance the characteristic impedances for specific cable types are listed in table 2-4. These are typical impedances, and...

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    Requirements/specifications page 2-5 2.1.7 noise noise can be caused by either crosstalk or externally induced impulses. If noise induced errors are suspected, it may be necessary to re-route cabling away from potential noise sources (motors, switching equipment, high amperage equipment), or to ensu...

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    Requirements/specifications page 2-6 female db-9 receptacle rx+ tx+ 6 7 8 9 1 2 3 4 5 tx- rx- common ground common ground tcu port common ground not connected female db-9 receptacle tx+ (backup ring) 6 7 8 9 1 2 3 4 5 (main ring) rx- common ground common ground (backup ring) tx- female db-9 receptac...

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    Requirements/specifications page 2-7 2.2.3 ring sequence the ring sequence on the trmim-10r begins at the ring-in, goes out to the flexible network bus (fnb) then, after threading through other attached token ring boards, returns from the fnb to sequence through the tcu ports (in port number order) ...

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    Requirements/specifications page 2-8 sn 16mb err trmim-10r 1 7 link attached (green) led (one for each trunk coupling port) err (red) led 16mb (yellow) led token ring 5 6 ri ro ring-in/ring-out port status (green) led figure 2-3. Trmim-10r lanview leds safety warning: it is the responsibility of the...

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    Requirements/specifications page 2-9 service mtbf (mhbk-217e): >119,951 hrs. Mttr: 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).

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    Installing the trmim-10r page 3-1 chapter 3 installing the trmim-10r this chapter contains instructions for configuring and installing the trmim-10r into a mmac and includes instructions for connecting station and trunk cabling. Check that all requirements listed in chapter 2, installation requireme...

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    Installing the trmim-10r page 3-2 • if the trmim-10r is being installed into an mmac-8, or 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 modules. One psm or psm-r is required for e...

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    Installing the trmim-10r page 3-3 figure 3-1. Network speed jumper figure 3-2. Installing the trmim-10r irm mmac-8 trmim-10r knurled knobs board slot token ring trmim-10r ... Network speed jumper twelve db-9 connectors (six on mother board, and six on daughter board) daughter board mother board fron...

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    Installing the trmim-10r page 3-4 3.3 attaching cables to the trmim-10r prior to connecting cables, check that the pinout and maximum cable lengths throughout the system conform to the requirements described in chapter 2, installation requirements/specifications. The trunk coupling unit (tcu) and ri...

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    Installing the trmim-10r page 3-5 attaching stp lobe cables to the trmim-10r 1. Connect the male db-9 connector from one end of the stp lobe or patch panel cable to the desired tcu port on the trmim-10r . 2. If a patch panel is being used, connect the other end of the cable to the appropriate patch ...

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    Installing the trmim-10r page 3-6 2. If a patch panel is being used, connect ring-in from the patch panel to ring-in on the trmim-10r and ring-out from the patch panel to ring-out on the trmim-10r. If connecting directly to another concentrator, daisy-chain the connections, ring-in to ring-out, from...

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    Testing and troubleshooting page 4-1 chapter 4 testing and troubleshooting this section contains procedures to verify the cabling connecting the trmim-10r to the token ring network and any attached stations. A description of lanview and its function in troubleshooting physical layer network problems...

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    Testing and troubleshooting page 4-2 sn 16mb err trmim-10r 1 7 link attached (10 - green) led (one for each trunk coupling port) on - respective station is inserted into the ring. Off - respective station is removed (bypassed) from the ring. Err (red) led on - hardware error detected in trmim-10r of...

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    Testing and troubleshooting page 4-3 • 16 mb - the ring speed led (yellow) is lit to indicate that the trmim-10r ring speed is set to 16 mbit/sec. When this indicator is not lit, the ring speed is set to 4 mbit/sec. The ring speed is set to a default setting by hardware jumper, j1 (refer to chapter ...

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    Basic token ring networks page a-1 station 2 hub station 7 station 6 station 5 station 4 station 3 station 1 station 8 appendix a basic token ring networks this appendix covers the basic operation and concepts related to design considerations for token ring networks. A.1 basic token ring operation a...

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    Basic token ring networks page a-2 basic token ring protocol this summary briefly covers a basic subset of the overall token ring access protocol. The ieee standard 802.5 provides greater detail on token ring access methods and should be referenced whenever more complete information is needed. Each ...

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    Basic token ring networks page a-3 3. The frame addressed for yyy circulates around the ring. All stations in the ring examine the frame, checking the address, in successive order. When the transmission gets to yyy, station yyy copies the data as it goes past. 4. When the original transmission finis...

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    Basic token ring networks page a-4 early token release early token release (etr) is a second protocol option presented in the ieee 802.5 standard. Etr is an optional protocol that may be used with 16 mbit/sec 802.5 token ring networks. It has the advantage of increasing the efficiency of the ring by...

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    Basic token ring networks page a-5 case of cabletron systems' token ring repeater (trrmim-16), convert from one media type to another (eg. Shielded twisted pair to fiber optic). Converters (not illustrated) provide the means for changing from one media type to another. Usually, the conversion allows...

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    Basic token ring networks page a-6 reliability since token ring networks depend on ring topology for proper operation, the entire network is vulnerable to the frailties of each ring segment. Arranging the ring as a star, using concentrators, and providing trunk coupling units for the station connect...

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    Basic token ring networks page a-7 a.2 design considerations a major design consideration is ring length. The ring propagation must be long enough to accommodate an entire token (24 bit times) and still be short enough for the transmitting devices to reliably send information to the next station. Th...

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    Basic token ring networks page a-8 arl is calculated by combining the lengths of all the trunk cables, subtracting the length of the shortest trunk cable (typically an 8-foot patch cable within a wiring closet) and then doubling the result (lobe cabling is not part of the arl calculation). The impac...

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    Applications page b-1 appendix b applications this appendix presents the following network applications as ex- amples of how the trmim-10r may be used in a token ring network. These are examples to help clarify features of the trmim-10r and applications are not limited to those shown here. • adding ...

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    Applications page b-2 b.2 separate token ring networks in one mmac figure b-2 shows three independent token ring networks within the same mmac-8. The mmac-8 has eight slots. The irm occupies slot 0, leaving seven slots available for network boards. Cabletron systems' token ring products are recogniz...

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    Applications page b-3 in one mmac-8fnb b.3 token ring networks bridged together figure b-3 illustrates the bridging of two token ring networks together using a token ring to token ring network bridge. Bridging ring networks is necessary when: the networks are of different ring speeds (one at 4 mbit/...

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    Applications page b-4 not able to communicate with each other. Figure b-4. Token ring and ethernet in the same mmac mmac-8fnb with irm, thn-mim, and trmim-12. Aui cable t t t ethernet network since the ethernet and token ring networks are not bridged together by a bridging device, they can not share...

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    Calculating ring length page c-1 appendix c calculating ring length this appendix presents methods for calculating cable lengths for passive token ring networks or passive network segments giving consideration to adjusted ring length (arl). These calculations differ between networks that are wholly ...

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    Calculating ring length page c-2 • with the exception of the wall plate to station cable, all the remaining lobe and trunk cables are type 1 or type 2. • wherever type 6 or type 9 cable is used, the length must be converted to the equivalent type 1 cable length as follows: (length of type 6 or 9 cab...

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    Calculating ring length page c-3 4. Determine your actual longest lobe length, combine: tcu port to patch panel (8 feet x 3/2) 12 feet wall plate to wiring closet + x feet station to wall plate (if type 6, x 3/2) + x feet longest lobe length 5. Compare the maximum type 1 lobe length, calculated in s...

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    Calculating ring length page c-4 figure c-1. Wiring in a single wiring closet formulas two formulas were used to create the tables for the stp cable length worksheets. The first defines the cabling for a single wiring closet with only one rack and the second for multiple racks within the wiring clos...

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    Calculating ring length page c-5 single rack internal trunk length = (concentrator to concentrator patch cables) where: concentrator to concentrator patch cables = 12' x number of concentrators (see note) note: a patch cable or wrap connectors must be installed when only one concentrator is configur...

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    Calculating ring length page c-6 stp cable length worksheet 1. Maximum drive limit 2. Internal trunk length 3. Maximum type 1 lobe length 4. Actual longest lobe single wiring closet (1263 feet for 4 mbit/s or 569 feet for 16 mbit/s) (1) – (2) = (3) (value from table below) 4 mbit/sec 16 mbit/sec 569...

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    Calculating ring length page c-7 stp cable length worksheet 1. Maximum drive limit 2. Internal trunk length 3. Maximum type 1 lobe length 4. Actual longest lobe single wiring closet (1263 feet for 4 mbit/s or 569 feet for 16 mbit/s) (1) – (2) = (3) (value from table below) 4 mbit/sec 16 mbit/sec 569...

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    Calculating ring length page c-8 c.3 multiple wiring closet networks in multiple wiring closet applications, both external trunk cable length and lobe cable length must be considered in the overall drive distance for a passive ring. Use the stp cable length worksheet, multiple wiring closet form at ...

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    Calculating ring length page c-9 6. Find the total length of the actual trunk cable lengths between wiring closets. 7. Compare the actual trunk cable length with the external trunk cable budget (step 5). When your actual trunk cable length exceeds theexternal trunk cable budget (negative result in s...

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    Calculating ring length page c-10 figure c-2. Building cable budget formulas the formulas used to create the tables for the stp cable length worksheets yield values equal to the length of internal cabling within wiring closets (see figure c-3) in a multiple closet configuration. The term internal tr...

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    Calculating ring length page c-11 where: tcu patch cables = 12' rack to rack patch cables = 45' x (number of racks - 1) concentrator to concentrator patch cables = 12' x (number of concentrators - number of racks) figure c-3. Wiring closet cabling note: you are hereby authorized to copy the next pag...

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    Calculating ring length page c-12 3. Internal drive distance 4. Maximum drive limit 1. Actual longest stp lobe multiple wiring closets (1263 feet for 4 mbit/s or 569 feet for 16 mbit/s) (1) + (2) = (3) 2. Combined trunk length (sum of values for all closets, from table below) 4 mbit/sec 16 mbit/sec ...

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    Calculating ring length page c-13 3. Internal drive distance 4. Maximum drive limit 1. Actual longest stp lobe multiple wiring closets (1263 feet for 4 mbit/s or 569 feet for 16 mbit/s) (1) + (2) = (3) 2. Combined trunk length (sum of values for all closets, from table below) 4 mbit/sec 16 mbit/sec ...

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    Calculating ring length page c-14 c.4 calculating mixed cable types installations using mixed cable types must compensate for different cable attenuations. The maximum cable length for type 6 and type 9 cables is only 2/3 that of type 1 cable. Use the following formulas to convert between type 1/2 a...

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    Calculating ring length page c-15 solution 1. Determine the type 1 cable budget available for lobe cabling. Drive limit (type 1, 16 mbit/sec) 569 feet type 1 cable length already expended –243 feet type 1 budget for the longest lobe 326 feet 2. Find the type 1 equivalent for the tcu to patch panel a...