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MEDIA SPECIFICATIONS AND REQUIREMENTS

B-5

Maximum Lobe Lengths

The lobe length is the physical length of the cable connecting a station to
its TCU port. Table B-5 shows maximum lobe length according to ring
speed. Length figures are for total lengths of UTP cable only.

Table B-5. UTP Maximum Lobe Lengths

UTP Cable Type

Maximum Lobe Length

4 Mbps

16 Mbps

Category 3

100 meters

(330 feet)

60 meters

(198 feet)

Category 4

100 meters

(330 feet)

60 meters

(198 feet)

Category 5

130 meters

(429 feet)

85 meters

(280.5 feet)

Содержание BRIM-T6

Страница 1: ...BRIM T6 USER S GUIDE ...

Страница 2: ......

Страница 3: ...EVER 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 1995 by Cabletron Systems Inc P O Box 5005 Rochester NH 03866 5005 All Rights Reserved Printed in the United States of America Order Number 9031288 September 1995...

Страница 4: ... 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 présent appareil num...

Страница 5: ...OU DO NOT AGREE TO THE TERMS OF THISAGREEMENT 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 ...

Страница 6: ...ABLETRON 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 INSTANCESTHEABOVE LIMITATIONSAND EXCLUSIONS MAY NOTAPPLY TO YOU UNITED STATES GOVERNMENT RESTRICTED RIGHTS The enclosed product a was developed solely at private ...

Страница 7: ...alone Device 2 4 2 3 CONFIGURING THE BRIM T6 RING SPEED 2 4 2 4 CONFIGURING AND INSTALLING TPIMs 2 6 2 4 1 Configuring TPIMs 2 6 2 4 2 Installing TPIMs 2 8 CHAPTER 3 CONNECTING TO THE NETWORK 3 1 CONNECTING STP SEGMENTS 3 1 3 2 CONNECTING UTP SEGMENTS 3 2 3 3 CONNECTING FIBER OPTIC SEGMENTS 3 2 CHAPTER 4 MONITORING AND TROUBLESHOOTING 4 1 LANVIEW LEDS 4 1 4 1 1 Describing BRIM T6 LEDs 4 1 4 2 CHEC...

Страница 8: ...CONTENTS vi APPENDIX B MEDIA SPECIFICATIONS AND REQUIREMENTS B 1 FIBER OPTIC B 1 B 2 SHIELDED TWISTED PAIR STP B 2 B 3 UNSHIELDED TWISTED PAIR UTP B 3 ...

Страница 9: ...ses BRIM T6 features capabilities and specifications It also describes how to get technical help and lists related documentation Chapter 2 Installation describes how to configure and install the BRIM T6 and Token Ring Port Interface Modules TPIMs Chapter 3 Connecting to the Network describes how to establish the physical link to a Local Area Network LAN by connecting standard network cable segment...

Страница 10: ...bout products that support the BRIM T6 Media Flexibility Used in conjunction with Cabletron Systems series of hot swappable TPIMs the BRIM T6 can be configured for connection to all standard network media See Section 2 4 for instructions on how to configure and install TPIMs Table 1 1 lists TPIMs and their corresponding media and connector types Table 1 1 TPIMs and Corresponding Media TPIM Corresp...

Страница 11: ... BRIM T6 is installed The STA is used to manage primary and backup bridges and to maintain the reliability of the multi bridged internetwork by detecting and preventing potential data loops BRIM T6 Management The host device in which the BRIM T6 is installed provides Local Management LM applications for administering BRIM T6 bridge routing functions The operation of the BRIM T6 can also be managed...

Страница 12: ...h 4 IEC 801 3 Radiated Susceptibility levels 1 through 4 and IEC 801 4 EFT B levels 1 through 4 NOTE It is the network system vendor s responsibility to ensure that the total network system including the BRIM T6 meets allowed limits of conducted and radiated emissions 1 4 RELATED DOCUMENTATION The following documents provide supplementary information related to the procedures and technical data in...

Страница 13: ...989 1 5 GETTING HELP If you need help using the BRIM T6 or have any questions comments or suggestions concerning this manual please contact Cabletron Systems Technical Support Department By telephone 603 332 9400 Monday Friday 8am 8pm EST By CompuServe GO CTRON from any prompt By Internet mail support ctron com By Fax 603 337 7055 By BBS 603 337 3750 By mail Cabletron Systems Inc P O Box 5005 Roch...

Страница 14: ...INTRODUCTION 1 6 ...

Страница 15: ...etron Systems includes an anti static wrist strap and instructions with all hardware devices 2 1 UNPACKING THE BRIM T6 1 Carefully remove the BRIM T6 from the shipping box and leave it in its non conductive bag until ready for inspection and installation 2 Attach the wrist strap provided with the BRIM T6 to your wrist and to a proper ground 3 Inspect the BRIM T6 after removing it from the bag If t...

Страница 16: ...on 2 Remove the MIM from the MMAC and place it on its side with its board components facing up 3 Remove the BRIM receptacle coverplate from the MIM and the screws from the standoffs as shown in Figure 2 1 Figure 2 1 Removing the Coverplate and the Standoff Screws 4 Place the BRIM behind the BRIM receptacle panel on the MIM aligning the screw holes on the BRIM with their corresponding screw holes o...

Страница 17: ...sing down firmly on the rear section of the BRIM until the pins slide all the way into the connector holes 6 Fasten the BRIM securely to the MIM motherboard with the coverplate and standoff screws See Section 2 4 for TPIM configuration and installation instructions BRIM T6 16Mb XMT STB RCV Standoff screw Coverplate screw Connector Connector pins under BRIM ...

Страница 18: ...ponding screw holes on the BRIM receptacle panel and on the standoffs as shown in Figure 2 2 4 Insert the connector pins on the underside of the BRIM into the motherboard connector in the device Press down firmly on the rear section of the BRIM until the pins slide all the way into the connector holes 5 Fasten the BRIM securely to the device motherboard with the coverplate and standoff screws 6 Re...

Страница 19: ...stalled in a standalone device remove the chassis cover from the device to provide access to the BRIM T6 s component board surface 2 Slide the jumper down over pins 2 and 3 to select a 16 Mbps setting or over pins 1 and 2 to select a 4 Mbps setting 3 Reset the device containing the BRIM T6 Figure 2 3 BRIM T6 Ring Speed Settings J3 16M SPD 4 M 16M SPD 4 M J3 1 2 3 16M SPD 4 M J3 1 2 3 Front Panel R...

Страница 20: ...IM F3 hardware version 02 or higher must be used to provide bridge links via fiber optic cable Prior versions do not support this functionality with the BRIM T6 Refer to the TPIM F2 TPIM F3 part number location shown in Figure 2 4 to determine functional compatibility with the BRIM T6 To configure TPIMs for use with the BRIM T6 refer to Figure 2 4 and follow these steps 1 Move the RI RO and Statio...

Страница 21: ...letron Systems Technical Support Department see Section 1 5 Top View See Below For Settings TPIM T1 TPIM T2 TPIM T4 Phantom Switch Settings 1 Cabletron Device Default 0 Non Cabletron Device RI RO STN Switch Settings RI RO Ring In Ring Out Default S Station BRIM T6 Functional P H A N T O M S RI RO 1 0 TPIM F2 TPIM F3 Fiber Key Settings Ctron Cabletron Device 802 5 BRIM T6 Functional RI RO STN Switc...

Страница 22: ... the BRIM are fully inserted into the connector on the TPIM 2 Fasten the mounting screw to secure the TPIM in place Figure 2 5 Installing a TPIM The BRIM T6 is now ready for operation The next chapter describes procedures for connecting a properly configured and installed BRIM T6 to the network BRIM T6 16Mb XMT STB RCV STACK2 STACK3 STACK4 STACK5 Mounting Screw Slot Connector TPIM ...

Страница 23: ...rator Station ports only 3 1 CONNECTING STP SEGMENTS Both the TPIM T1 and the TPIM T4 support connection to STP cable segments The TPIM T1 provides a DB9 interface and the TPIM T4 provides an RJ45 interface see Appendix A for pinouts To connect an STP segment to a TPIM T1 or a TPIM T4 insert the DB9 or RJ45 connector into its corresponding TPIM port as shown in Figure 3 1 Figure 3 1 Connecting STP...

Страница 24: ...to fiber optic segments When connecting a segment to the TPIM F2 or TPIM F3 consider the following Fiber optic segments with Straight Tip ST connectors attach to ST ports much like BNC connectors attach to BNC ports The connector must be inserted into the port with the alignment key on the connector inserted into the alignment slot on the port Then the connector must be turned to lock it down The ...

Страница 25: ...d from the connectors on each fiber strand 2 Attach a fiber strand to the module s receive port labeled RX and the other fiber strand to the module s transmit port labeled TX Figure 3 3 Connecting Fiber Optic Segments 3 Attach the other end of the strand that is connected to the host RX port to the destination device s TX port and attach the other end of the strand connected to host TX port to the...

Страница 26: ...CONNECTING TO THE NETWORK 3 4 ...

Страница 27: ...ystem The comprehensive LANVIEW system for the BRIM T6 consists of four LEDs Light Emitting Diodes on the face of the BRIM T6 and one LED on the face of its attached TPIM Figure 4 1 Figure 4 1 LANVIEW LEDs on the BRIM T6 and TPIM 4 1 1 Describing BRIM T6 LEDs The information conveyed by each LED about the operational status of the BRIM T6 is described as follows also see Table 4 1 summary 16Mb Rin...

Страница 28: ... Ring traffic and when flashing Yellow it indicates that it is currently receiving Token Ring traffic When solid Red RCV indicates that the BRIM T6 is disabled by the host device STB Standby When solid Yellow STB indicates a standby condition the BRIM T6 is not ready or able to transmit data to the ring Standby conditions are caused typically when the host device is initializing or when a TPIM is ...

Страница 29: ...d of the segment have power Check that the TPIM is securely installed in the BRIM T6 and that the BRIM T6 is securely installed in the host device Check for correct connector to port attachments at the BRIM T6 and the destination device Inspect the cabling system cable and connectors for damage and replace damaged components Table 4 1 LED Specifications Summary LED Status Description 16Mb Ring Spe...

Страница 30: ...t the receive to transmit connection of strands between devices is correct Check that the connection meets the dB loss limit and media specifications outlined in Appendix B Check that the BRIM T6 port is enabled through Local Management Contact Cabletron Systems Technical Support if you still cannot establish a network link ...

Страница 31: ...ion Mode A 2 FIBER OPTIC TPIM SPECIFICATIONS The TPIM F2 supports Multimode fiber optic cabling and the TPIM F3 supports Single mode fiber optic cabling Table A 1 lists TPIM F2 specifications and Table A 2 lists TPIM F3 specifications 5 4 3 2 1 9 8 7 6 1 2 3 4 5 6 7 8 TPIM T1 TPIM T2 TPIM 4 1 Receive 2 Ground 3 5V at 250mA 4 Ground 5 Transmit 6 Receive 7 Ground 8 Ground 9 Transmit 1 Not Used 2 Not...

Страница 32: ... Budget Typical Budget Receive Sensitivity 30 5 dBm 28 0 dBm Peak Input Power 7 6 dBm 8 2 dBm Transmitter Power 50 125 µm 13 0 dBm 15 0 dBm 13 0 dB 17 5 dB 62 5 125 µm 10 0 dBm 12 0 dBm 16 0 dB 20 5 dB 100 140 µm 7 0 dBm 9 0 dBm 19 0 dB 23 5 dB Bit Error Rate Better than 10 10 Table A 2 TPIM F3 Specifications Parameter Typical Minimum Maximum Transmitter Peak Wave Length 1300 nm 1270 nm 1330 nm Sp...

Страница 33: ...ional attenuation Maximum drive distances define maximum allowable cable length NOTE The attenuation values shown include the attenuation attributable to cables connectors patch panels and reflection losses due to impedance mismatches in the segment Table B 1 Signal Tolerances for Fiber Optic Cable Cable Type Total Allowable Attenuation Maximum Drive Distance Multimode 50 125 µm 13 0 dB or less 2 ...

Страница 34: ...of buildings IBM Type 6 consists of two STP lengths of 26AWG stranded wire for data Used in patch panels or to connect devices to from wall jacks Attenuation for Type 6 cable is 150 of Type 1 cable e g 66 m of Type 6 100 meters of Type 1 IBM Type 9 is similar to Type 1 but uses 26 AWG solid wire Attenuation for Type 9 cable is 150 of Type 1 cable e g 66 m of Type 9 100 meters of Type 1 Impedance a...

Страница 35: ... IBM Types 6 9 are to be used only for lobe connections from station to wall jack and patch panels B 3 UNSHIELDED TWISTED PAIR UTP TPIM T2 supports voice grade UTP cable as described in EIA TIA TSB 568 and IBM Type 3 cable WARNING Do not connect UTP cabling to any non Token Ring network conductors telephone etc or ground If in doubt test wiring before using Telephone battery and ringing voltages u...

Страница 36: ...supergrade or level 4 are now available These improved grades of UTP can often be used to permit operation at 16 Mbps on longer lobe cables Attenuation and Impedance The attenuation values shown in Table B 4 include the attenuation of the cables connectors patch panels and reflection losses due to impedance mismatches in the segment Table B 4 UTP Voice Grade and Category 3 Specifications Frequency...

Страница 37: ... Table B 5 shows maximum lobe length according to ring speed Length figures are for total lengths of UTP cable only Table B 5 UTP Maximum Lobe Lengths UTP Cable Type Maximum Lobe Length 4 Mbps 16 Mbps Category 3 100 meters 330 feet 60 meters 198 feet Category 4 100 meters 330 feet 60 meters 198 feet Category 5 130 meters 429 feet 85 meters 280 5 feet ...

Страница 38: ...MEDIA SPECIFICATIONS AND REQUIREMENTS B 6 ...

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