Asanté RJ21B Module Installation Guide
Contents
1. Page 172. connectors on the front panel a recessed and anon recessed connector The recessed AUI connector is designed to accommodate an Asant Mini MAU To connect the hub to the backbone use one of the AUI ports Use a MAU if your backbone isThin Fiber or Twisted Pair A Note Make sure SQE Signal Quality Error is dis abled on the MAU when it is attached to the AUI connector In Figure 6 the hub is connected to aThin Ethernet backbone using an Asant 10Base5 Mini MAU in the recessed AUI connector or backbgne Figure 6 Using the AUI port to connect to the backbone Page 9 Connecting Other Devices Interconnecting Hubs You can interconnect hubs using the AUI Uplink port located on Using the AUI Port the module s front panel Use the appropriate MAU for your back bone A Asant provides an RJ45B BNC and 10BaseF Mini MAU to accommodate your backbone cabling scheme To interconnect hubs using the AUI Uplink port 1 Attach the appropriate MAU if you are not using thick Ethernet to the AUI port on of the first hub 2 Attach the Ethernet cable 3 Attach a MAU to the AUI port on the second hub Figure 7 shows a NetStacker Hub with an RJ21B Mod ule connected to an Asant Hub 2072 with an RJ45 Mod ule in the second hub Each hub uses a recessed Asant BNC Mini MAU to connect to the BNC backbone A Note Make sure the MAU SQE Signal Quality Error is disabled when the MAU is attached to the AUI port Hub 1 Ne
3. 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 50 pin cable connector Li 2 lt Ae Set i _ Ve re a fa Here pS nes a nt re Py je Qa ET Bem eh pens Bae lee oni Sree ws ets 4 hub punch down block 8 pin modular jack UTP cable RJ45 wall socket network device Single device link Amphenol connector to 8 pin modular jacack Page 11 Technical Specifications Technical This section provides Specifications a RJ21B ModuleTechnical Specifications Pin Outs and Cable Specifications Pin Outs and Cable Specifications Pin Outs and Cable Specifications Cable Limitation Specifications COU O RJ21B Module Technical The technical specifications for the RJ21B Module are as follows Specifications Standards Supported IEEE 802 3 Ethernet specifications for 10 BaseT UTP media Data Rate 10 Mbps Maximum Cable Distances 10BaseT UTP 100m 328 ft Safety Designed in accordance with UL CSA TUV IEC requirements Physical Dimensions 17 x 1 8 x 12 Weight Approximately 4lbs Environmental Operating Temperature 0 to 40 C ambient Operating Humidity 5 to 85 noncondensing Operating Altitude 10 000 ft 3 048m maximum Storage Temperature 30 to 80 C Storage Humidity 5 to 90 noncondensing Storage Altitude 25 000 ft 7 620m maximum Page 12 Pin Outs and Cable Specific
4. Asante RJ21B Module Installation Guide TV ASANTE Copyright Notice Copyright 1994 by Asant Technologies Inc All rights reserved No part of this manual or any associated artwork software product design or design concept may be copied repro duced or stored in whole or in part in any form or by any means mechanical electronic optical photocopying recording or otherwise including translation to another language or format without the express written consent of Asant Technologies Inc Trademarks Asant Technologies and NetStacker are trademarks of Asant Technologies Inc Macintosh is a registered trademark of Apple Computer Inc Ethernet is a registered trademark of the Xerox Corporation Inc All brand names and products are trademarks or registered trademarks of their respective holders FCC Information This equipment is classified as a ClassA computing device Class A devices may be used only in commercial business or industrial envi ronments This equipment generates uses and can radiate radio frequency energy If this equipment is not insulated properly in strict accordance with the instructions in this manual then it may cause interference in this electronic environment This equipment has been tested and found to comply with the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC Rules which are designed to pro vide reasonable protection against radio frequency interference when ope
5. D Green Black aid 3RD 17 Black Brown 6RD gt Brown Black Emi 1TD 7 Black Silver Portg 21D Silver Black Er 3RD Yellow Blue VER Ed 17777 Z Yellow Orange Portg 21D 1 Orange Yellow rei 3RD 1 Yellow Green 6RD gt 1 Green Yellow BA LTD 17 Yellow Brown Port10 21D Brown Yellow 3RD Yellow Silver 6RD Silver Yellow Er LTD 17 Violet Blue Port11 210 Blue Violet ai 3RD 4 EEL RD lt Orange Violet ae LTD 4 Violet Green port12 21D Green Violet re 3RD Violet Brown RD Brown Violet ee No Connection L Violet Silver No Connection L gt Silver Violet 0160 Pin Outs and Cable Specifications 4 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 50 pin cable connector I D mme So SS Tr ee Ne fs Mas CT 6 EN E fes el em Ss NE LES Se LE TT TR ie AT J hub punch down block 8 pin modular jack UTP cable RJ45 network device wall socket Figure 9 Single device link Amphenol connector to 8 pin mod ular jack Page 15 Technical Specifications Page 16 AUI DB 15 Pin Outs Table 3 lists the AUI connecto
6. al typefaces and formats used in this manual We suggest that you become familiar with them here before going on to the rest of the manual This kind of bolded text is used when special emphasis is neces Sary When certain information is noteworthy or unusual it is set off in a special format A Note This information is noteworthy or unusual When information is especially important it is set off with this format A Important This information is very important The following table describes the type changes and symbols used in this guide Typeface or Symbol Meaning Example AaBbCc123 AaBbCc123 AaBbCc123 AaBbCc123 The names of commands Use dir to list all parameters parameters and directories on screen computer output What you type contrasted with Login SU on screen computer output PassWord Command line placeholder To set baud rate type replace with a real name or set baudrate 38400 value Commands in brackets denote Login SU Return a key to press Page xiii What Typographic Changes and Symbols Mean Procedures and Many times the manual provides specific instructions about how Instructions to perform a task or configure an application Where you must per form certain steps in acertain order the manual provides a formal procedure All procedures in the manual are made to look different from the regular text to make them easily recognizable and simple to follow 1 Read thi
7. ations Pin Outs and Cable This section defines the pin out assignments and cable specifica Specifications tions for the following m m m m RJ45 to RJ21 pin outs RJ45 modular jack to wall jack pin outs RJ45 to RJ45 crossover cables AUI DB 15 pin outs Page 13 Technical Specifications Page 14 RJ45 to RJ21 Pin Outs The Amphenol modular 50 pin connector establishes connections to the 8 pin modular jack through the network hub and distribu tion house punchdown blocks See Figure 8 and Figure 9 Wire jacket colors may vary Figure 8 RJ45to RJ21 pin outs 25 RJ 45 66 Type RJ 21 Connector Connector Block Amphenol 1 1TD J L White Blue 26 Cf27D gt Blue White at Portl 3aD gt White Orange Se SET 6RD lt Orange W hite BS LTD White Green Port2 21D Green White gt 3RD White Brown 6RD Brown White CA 1TD 4 White Silver Port3 21D gt Silver White En 3RD Red Blue 6RD Blue Red Ep 1TD 7 Red Orange Port4 20D 7 a plage Bes Es 3RD 17 7 Red Green 6RD 2 Green Red ee 11D 17 Red Brown Port5 21D Brown Red eek 3RD 17 Red Silver 6RD gt Silver Red Ee 1TD 7 Black Blue port 212 1 Blue Black Li 3RD Black Orange 6RD gt Orange Black Be 1TD 7 Black Green Port7 21
8. e on the RJ21B Module Installing the NMM Lite on the RJ21B Module If you plan to mount an NMM Lite daughter board on the RJ21B mother board you must do this before you install the RJ21B board For instructions on how to install the NMM Lite daughter board on the RJ21B mother board refer to the NMM Lite Installation Guide Figure 3 shows an NMM Lite daughter board installed on an RJ21B mother board Figure 3 NMM Lite daughter board installed on RJ45 mother board Page 5 Installing the RJ21B Module Page 6 Installing the The NetStacker or Asant Hub 2072 chassis should be installed RJ21B Module before you can install the RJ21B Module To install the RJ21B Module 2 Remove the module from its antistatic packing taking care to observe proper antistatic procedures A Note Handle the module only by its edges Do not touch the chips or connectors Align the module to the edges of the card guides on the slots in the chassis Gently slide the module in until you can begin tightening the screws See Figure 4 Ga gee Figure 4 Installing the RJ21B Module 5 Tighten the module to the chassis by hand or use a 1 slot screw driver fastening the screws in unison and using the same amount of force to attach the module evenly to the chassis Turn on the power on the hub The SEG1 LED light
9. er RJ21B Module and specifically disclaims any warranty for merchantability or fitness for a particular purpose The exclusion of implied warranties is not permitted in some States and the exclusions specified herein may not apply to you This war ranty provides you with specific legal rights There may be other rights that you have which vary from State to State Page i Preface e About this Manual on page xii e What Typographic Changes and Symbols Mean on page xiii TV ASANTE About this Manual About this Manual Related Documentation Page xii This Installation Guide for the RJ21B Module is part of a set of four installation guides which you will use when you install the Net Stacker Hub The three additional guides you will find useful when installing the hub are a NetStacker Hub Installation Guide a Asant RJ45B Module Installation Guide a Asant NetStacker NMM Lite Installation Guide The NMM Lite daughter board is designed specifically for the Net Stacker Hub You can install other Asant modules in the NetStacker Hub For information about these products refer to the appropriate installation guide What Typographic Changes and Symbols Mean Related Documentation Sometimes it is necessary to give a special meaning or significance to the information in the manual We do this by displaying a differ ent typeface and often by presenting the text in a different format Here are examples of the speci
10. er module malfunctions in the NetStacker stack or the Asant Hub 2072 RJ45B Module Features The RJ21B Module has the following features 4 Two RJ21 connectors 50 pin Telco 4 Two AUI connectors one is recessed to accom modate an Asant Mini MAU forThin Twisted Pair or Fiber connectivity a Hot swap capability 4 Link Receive LEDs that display port statistics for each port a Full compliance with IEEE 802 3 Ethernet specifi cations for 10BaseT Figure 1 below shows an RJ21B Module installed in a NetStacker Chassis with an Asant Mini MAU for 10Base2 Thin connected to the recessed AUI connector lt lt N BNC backb Figure 1 The Asant RJ21B Module Page 2 Installing the R 21B Module Grounding Yourself Checking Package Contents Grounding Yourself You manage the RJ2B Module from a network management sta tion using Asant View Lite In Band and or Out of Band or Asant View All 24 ports on the RJ21B Module are on Segment 1 and cannot be switched to Segment 2 For segment switching capability in a NetStacker stack use the full size AH2072 NMM To install the RJ21B Module you will perform the following operations 4 Ground yourself a Check the package contents 4 Install the module and check the LEDs 4 Connect the module to other devices Instructions for installing arecessed Asant Mini MAU are included on page 4 If you are using an NMM Lite daughter board you must install the daugh
11. n Steady No traffic over uplink or link integrity is disabled PARTITION Amber On Blinking Autopartitioning 24 LEDs Amber On Steady Slot has been manually partitioned by administrator or trap Off Normal port operation LINK Green On Blinking Blinking LED indicates hub is receiving traffic over port RECEIVE 24 LEDs Green On Steady Link present or link integrity test disabled Off Link not present Port status unavailable if link integrity test disabled SEG1 and Green On Steady With an NMM Lite SEG1 is lit SEG2 with an AH2072 NMM SEG1 or SEG2 is lit 2 LEDs Off Board not seated properly or both LEDs intentionally set off by operator Though module may not be connected to network segment it still functions as repeater The Back Panel Page 8 If you have installed a Network Management Module Lite N MM Lite daughter board on the RJ21B mother board the NMM Lite back panel appears For more information about the back panel refer to the Asant NetStacker NMM Lite Installation Guide Connecting Other Devices Connecting to the Backbone Using the AUI Connector Connecting to the Backbone Using the AUI Connector The RJ21B Module provides two types of connectors for connect ing devices a AUI connectors for connecting to the backbone and to other hubs One of the connectors accom modates a recessed Mini MAU a An RJ21 connector for connecting to the punch down block and network devices You have two AUI
12. pin Telco connector typically used to connect punchdown block to hub AUI Uplink LED If active MAU is attached this LED remains lit indicating link exists and is enabled Partition LEDs 24 LEDs indicating partitioning ports on module Link Receive LEDs 24 LEDs when lit indicate link connection when blinking indicate packets received on port Segment 1 LED Segment 2 LED With NMM Lite daughter board mounted Segment 1 LED is lit with AH2072 NMM either Segment 1 or Segment 2 LED is lit identifying segment to which module is connected Neither segment LED is lit if module is not connected to segment Note even when module is not connected to segment repeater still functions Page 7 The Back Panel Interpreting the LEDs The RJ21B Module front panel LEDs fall into four categories QG AUI port link and partition a Port by port partition LEDs QG Port by port link receive LEDs a Segment configuration LEDs Table 2 describes the RJ21B Module LEDs Table 2 RJ21B Module LEDs LED Color State Meaning AUI Amber On Blinking Hub has auto partitioned uplink high collision rate possible Uplink E PARTITION Amber On Steady Operator has manually partitioned uplink or trap has been sent LED s e Off Uplink not partitioned AUI Uplink Green On Blinking Blinking LED indicates hub is receiving traffic over uplink Faster rate of LINK LED blinking indicates greater traffic Green O
13. r s pin circuit and signal names Table 3 AUI Connector Pin Circuit and Signal Names Pin Circuit Signal Name 03 DO Data Out positive 10 DO Data Out negative 11 DOS Data Out circuit Shield 05 DI Data In circuit positive 12 DI Data In circuit negative 04 DIS Data In circuit Shield 07 CO Control Out positive optional 15 CO Control Out negative optional 08 cos Control Out Shield optional 02 Cl Control In positive 09 Cl Control In negative 01 CIS Control In Shield 06 VC Voltage Common 13 VP Voltage Plus 14 VS Voltage Shield Shell PG Protective Ground Cable Limitation Specifications Table 4 lists the IEEE standards for determining how networks should be configured when using coaxial cable connections Cable Limitation Specifications Table 4 IEEE Standards for Coaxial Cable Connections 10Base5 10Base2 Thin Ethernet Coax 10BaseT Thick Standard Data rate 10 Mbits 10 Mbits 10 Mbits Cable length per trunk 500m 185m 100m segment Nodes per trunk segment 100 30 1 Min distance between 2 5m 5m n a nodes Max number of trunk 5 3 2 repeater n a segments only Max network trunk 2500m 925m n a length Cable type dbl shield 4 sgl shield 2 solid coax coax conductor Transceiver type external with recessed or n a drop cable external Connector clamp on BNC RJ 45 A Note Extended length networks cannot contain any repeater only segments
14. rated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own risk and expense will be required to correct the interference in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own risk and expense will be required to correct the interference Asante Warranty Asant Technologies Inc warrants that the Asant NetStacker RJ21B Module will be free from defects in title materials and manufacturing workmanship for a period of one 1 year from the date of purchase If the NetStacker RJ21B Module is found to be defective then as your sole remedy and as the manufacturer s only obligation Asant Technologies Inc will repair or replace the product see Asking for Assistance for information on how to contact us This warranty is exclusive and is limited to the Asant NetStacker RJ21B Module This warranty shall not apply to an Asant NetStacker RJ21B Module that has been subjected to abuse misuse abnormal electrical or envi ronmental conditions or any condition other than what can be considered normal use A Note The warranty card must be filed with Asant Technologies Inc within 30 days after date of purchase Asant Warranty Disclaimer Asant Technologies Inc makes no other warranties express implied or otherwise regarding the Asant NetStack
15. s first step in this procedure Be sure to follow all following steps as well If any step in the procedure requires an explanation the information will follow the instruction as shown here 2 Now read this step in the procedure And finally read this step in the procedure GO 4 The last step in any procedure has a line drawn under neath it showing the end of the procedure This way you will always know where a procedure starts and stops Page xiv Asante RJ21B Module Installation Guide Introducing the RJ21B Module on page 2 Installing the RJ21B Module on page 3 The Front Panel on page 7 The Back Panel on page 8 Technical Specifications on page 12 TV ASANTE Introducing the RJ21B Module ntroducing the The Asant RJ21B Module is a 24 port double height repeater that plugs into the Asant NetStacker chassis or the Asant Hub RJ 21B Module 2072 chassis It is specially designed to accommodate the Asant NetStacker NMM Lite daughter board which provides the intelli gence for the hub The RJ21 Module does not accommodate a daughter board Thus one NetStacker Hub with an RJ21B board and a mounted NMM Lite daughter board provides network management capabil ity in addition to 24 node connectivity A stack of three NetStacker hubs requires one NMM Lite daughter board for network manage ment capability This module has its own built in retiming unit which enables it to continue functioning when anoth
16. s indicating the module is properly connected to network Segment 1 When you connect anode to the hub using UTP cable the Link Receive LED on the used port turns green indicating alink is established between the node and the hub Installing the RJ21B Module The Front Panel The RJ21B Module front panel displays the following connectors and LEDs Q Two AUI connectors Two RJ21 connectors 50 pin Telco AUI Uplink LEDs 24 Partition LEDs 24 Link Receive LEDs Segment LEDs 1 and 2 COOC ovo Figure 5 shows the RJ21B Module front panel A recessed Mini MAU for 10BaseT is connected to the recessed AUI connector Partition LEDs Telco 50 pin Connector SEG1 LEDs OO OO OO mM LE LA PARTITION Se Scag enar UPLINK O AUI aaa ja NK RECEIVE Jc Li PARTITION 1 2 3 4 5 6 1 8 s w n nw Does 2 a E a gt ASANTE GMS i lEsse eee w w AUI Connector LinWeeeeive LEDs Telco 50 pin Connector SEG2 LEDs Figure 5 RJ21B Module front panel Table 1 identifies the RJ21B Module connectors and LEDs and their respective functions Table 1 RJ21B Module Connector and LED Functions Name Function AUI Connector Serves as uplink port to network backbone Recessed slot Functions as compartment for housing recessed Mini MAU RJ21 Connector 50
17. tStacker RJ21B Module tks D PARTITION ox JS IEEE IE 2 ET LINK RECEIVE PARTITION 2 2 LINK RECEIVE Asant Hub 2072 RJ45 Module z z 7 swe LE a 10BASET PORTS Figure 7 Using the AUI port to interconnect hubs PARTITION elsje ogcgj dadr AH2072H12 RJ45 LINK RECEIVE Page 10 Wiring the RJ21 Connector to a Punchdown Block Wiring the RJ21 Connector to a Punchdown Block The RJ21 connector 50 pin Telco is typically used to provide a connection between the NetStacker Hub and the punchdown block which is located usually in a wiring closet The next con nection is from the punchdown block to a modular jack and then from the jack to anetwork device such as a PC Mac printer or modem Figure 8 shows an example of a wiring scheme for one port in this configuration Note that the connection begins at the 50 pin Telco connector and fans out to the punchdown block to an RJ45 connector From the RJ45 connector you have the option of connecting to a network device such as a management station or a workstation ES ax OT AD ox oO a ws ca cas a E a OES ws A 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 s 49 48 47 46 45 44
18. ter board before you install the RJ21B module in the Net Stacker chassis Refer to the NMM Lite Installation Guide for instructions Before you unpack or handle the module you must discharge static electricity from your body or clothes by attaching the pro vided grounding strap to your wrist and then touching the mount rack or apiece of metal Make sure the chassis is already grounded The Asant RJ21B package contains the following items a Asant RJ21B Module in antistatic packaging QG Installation guide this manual a Warranty card Required Tool We recommend you use a 1 slot screwdriver to tighten the mod ule to the chassis You can also handtighten the module Page 3 Installing the RJ21B Module Connecting a Recessed If you plan to use an Asant recessed Mini MAU you need to connect Mini MAU itto the recessed AUI connector before you install the module To install arecessed Asant Mini MAU 1 Unscrew the two ejector screws on each side of the module s front panel and pull out the module approxi mately four to five inches from the chassis See Figure 2 Figure 2 The Mini MAU filler plate in the RJ21B Module 2 Remove the Mini MAU s filler plate 3 Insert the Mini MAU by guiding it into the recessed slot until it is securely fastened to its connector 4 Reinsert the module into the chassis Page 4 Installing the NMM Lit
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