CABLETRON SYSTEMS, P.O. Box 5005, Rochester, NH 03867-0505
TRMIM-22/24/42/44
TOKEN RING
MEDIA INTERFACE MODULES
INSTALLATION GUIDE
Page 1: ...CABLETRON SYSTEMS P O Box 5005 Rochester NH 03867 0505 TRMIM 22 24 42 44 TOKEN RING MEDIA INTERFACE MODULES INSTALLATION GUIDE ...
Page 2: ...MITED 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 October 1992 by Cabletron Systems Inc P O Box 5005 Rochester NH 03867 0505 All Rights Reserved Printed in the United States of America Order Number 9030257 02 October 92 FNB Multi Media A...
Page 3: ...equipment in a residential area is likely to cause interference in which case the user will be required at his own expense to correct the interference If this equipment does cause interference to radio or television which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Re orient the receiving a...
Page 4: ...J 45 connectors provide for connection of the cabling shield All four concentrator modules are designed for installation in any Cabletron Systems Multi Media Access Center MMAC equipped with a Flexible Network Bus FNB All four concentrator modules are IEEE 802 5 compliant and compatible with IBM products NOTE The term Concentrator Module is used throughout this manual when describing features and ...
Page 5: ...RMIM 22 TRMIM 24 TRMIM 42 and TRMIM 44 shown in Figure 1 1 can be installed as a free standing token ring network or to provide UTP or STP connectivity to an existing token ring network All four concentrator modules are designed for installation into a Cabletron Systems MMAC Since they do not have externally accessible Ring In and Ring Out ports they are considered concentrator modules A concentra...
Page 6: ...les can be installed into an MMAC to increase the number of UTP STP ports available on a token ring network TRMIM 22 UTP TOKEN RING 7 X 8 X 9 X 10 X 11 X 12 X SN 1 X 2 X 3 X 4 X 5 X 6 X TRMIM 24 UTP TOKEN RING 7 X 8 X 9 X 10 X 11 X 12 X 13 X 14 X 15 X 16 X 17 X 18 X 19 X 20 X 21 X 22 X 23 X 24 X SN 1 X 2 X 3 X 4 X 5 X 6 X 5 X TRMIM 42 STP TOKEN RING 7 X 8 X 9 X 10 X 11 X 12 X SN 1 X 2 X 3 X 4 X 6 ...
Page 7: ... between using concentrators or repeaters depends on specific network configurations Refer to Cabletron Systems TRMIM 10R 20R Installation Guide or TRRMIM A 2A 4A Installation Guide for more information on the use of these products or contact Cabletron Systems Technical Support A variety of network management tools can be used to control and monitor these repeaters including Cabletron Systems Loca...
Page 8: ...n Ring Repeaters Installation Guide Cabletron Systems TRMIM 10R STP Token Ring Concentrator Installation Guide Cabletron Systems TRMIM 12 Token Ring Media Interface Module Installation Guide 1 4 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 1989 Com...
Page 9: ...al support related to the Cabletron Systems Token Ring products or if you have any questions comments or suggestions related to this manual contact Cabletron Systems Technical Support at Cabletron Systems P O Box 5005 Rochester NH 03867 0505 Phone 603 332 9400 ...
Page 10: ... 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 Work area wall plates outlets used for your token ring network should be clearly labeled as token ring network lobe connections The following sections describe network requirements for this equipment 2 1 1...
Page 11: ... ft 10 Mhz 100Ω 15 98 dB km 30 dB 1000 ft 16 Mhz 100Ω 15 131 dB km 40 dB 1000 ft 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 ring cabling DO NOT connect UTP cabling to any non token ring ne...
Page 12: ... 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 buildings Type 6 Two STP of 26 AWG stranded wire for data This type is used in patch panels or to connect devices to from wall jacks Attenuation for Type 6 cable is...
Page 13: ...ft Cable Lengths to Stations The physical length of the cable connecting a station to the trunk coupling unit TCU port on the concentrator module is referred to as lobe length The maximum lobe length attainable under ideal conditions with the concentrator module is shown in Table 2 4 Cable routing connector attenuation noise and crosstalk can adversely influence the maximum lobe length Table 2 4 M...
Page 14: ...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 2 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 within a multi pair cable bundl...
Page 15: ... Radio interference Heavy machinery Do not use UTP as main trunk cabling 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 for applications which may impress high voltages greater than 5...
Page 16: ...s Cabletron Systems reserves the right to change these specifications at any time without notice 2 3 1 Connector Types The concentrator module TCU ports are internally crossed over to provide connection of station lobe cabling via female RJ 45 receptacles on the front panel Figure 2 2 shows the pinouts required for the mating male RJ 45 connectors for both UTP and STP versions of the concentrator ...
Page 17: ...ed can be selected by positioning a network speed jumper on the board Refer to Chapter 3 Installing the Concentrator Module to learn how to set the network speed jumper The default setting can be overridden by changing the ring speed through local or remote network management software 2 3 3 Ring Order When multiple Token Ring boards set to the same ring speed are installed in adjacent slots within...
Page 18: ...t 1 ports 2 5 etc 2 3 4 LANVIEW LEDs There are a number LEDs on the front panel of the concentrator modules While the quantity of port specific LEDs differ between the 12 and 24 port concentrator modules all four concentrator modules are equipped with the same indicators Three concentrator specific LEDs indicate the current ring speed 16MB bypass BYP and the current mode management MGMT or automat...
Page 19: ...ociated station is providing phantom current MGMT Management Green when lit indicates that the concentrator module is in Management Mode Settings are stored by the management module in slot 0 2 3 5 General Specifications SAFETY WARNING It is the responsibility of the person who sells the system to which the TRMIM 22 TRMIM 24 TRMIM 42 TRMIM 44 will be a part to ensure that the total system meets al...
Page 20: ...REQUIREMENTS SPECIFICATIONS Page 2 11 PHYSICAL Dimensions 13 4D x 11 5H x 2 0W inches includes front panel 34 0D x 29 2H x 5 1W centimeters Weight 2 lbs 2 oz 963 9 grams ...
Page 21: ...into the rightmost slot Slot 0 Slot 0 is reserved for specific management bridging repeater modules When the concentrator module is being installed into an MMAC 8 or MMAC 8FNB be sure that a PSM or PSM R is installed in the associated rear power supply slot The PSM or PSM R Power Supply Module is the source of power for MMAC modules One Power Supply Module is required for every two MIMs NOTE The P...
Page 22: ...token ring network and another network type i e FDDI or Ethernet requires the use of a bridging device 3 1 UNPACKING THE CONCENTRATOR MODULE Prior to installation unpack and visually inspect your concentrator module for damage CAUTION Electrostatic Discharge ESD can damage your concentrator module Observe all precautions to prevent electrostatic discharges and when handling the concentrator module...
Page 23: ...verrides the hardware jumper selection Figure 3 1 Network Speed Jumper 3 3 INSTALLING THE CONCENTRATOR MODULE INTO THE MMAC Install the concentrator module into the MMAC as follows 1 If it is not already powered off power off the MMAC chassis by unplugging the AC power cord from the wall outlet 2 Remove the selected blank panel from the MMAC and slide the concentrator module into the MMAC card cag...
Page 24: ...OBE CABLING Prior to connecting cables check that the pinouts and maximum cable lengths throughout the system conform to the requirements described in Chapter 2 Installation Requirements Specifications 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 tr...
Page 25: ...g used with the TRMIM 42 44 requires shielded RJ 45 connections to attain the maximum lobe lengths listed in Chapter 2 Installation Requirements Specifications 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 3 3 Figure 3 3 T...
Page 26: ...air lobe cabling from the token ring station can be connected to any concentrator module port To attach the station cable at the concentrator module 1 Locate the lobe cable or patch cable that will be used to attach the token ring station to the concentrator module 2 Insert the male RJ 45 connector from one end of the station cabling into any TCU port 1X through 12X or 24X at the front of the conc...
Page 27: ...INISHING THE INSTALLATION With power on at the MMAC and the attached stations the green Link Attached LEDs on the MIM should be illuminated for each station that is inserted into the ring The yellow 16MB LED should only be on if the concentrator module is set for 16 Mbit s ring speed If these conditions do not exist proceed to Chapter 4 Testing and Troubleshooting The concentrator is now ready for...
Page 28: ... 2 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 the ring a Check each cable connection at the MIM b Verify the pinouts for every connection c Check the cable conductors for continuity Cable testers are available for this task d Check that cable connections at patch panels and wall plates are sec...
Page 29: ...late faulty nodes or trunk segments The LANVIEW LED locations are shown in Figure 4 1 While the TRMIM 24 is shown in the illustration the locations and definitions apply to all four concentrator modules except that for the TRMIM 22 and TRMIM 42 ports 13 through 24 and the LEDs associated with them are not present 16MB The Ring Speed LED Yellow is lit to indicate that the concentrator module ring s...
Page 30: ...en both the PEN and LNK LED are lit for the same port the token ring station attached to that TCU port is inserted on the ring When this LED is not lit the associated port is disabled and insertion onto the ring is inhibited LNK Link Status Green 12 or 24 provides a visual indication of phantom current from the associated token ring station When this LED is lit the associated station is providing ...
