Enterasys (9T122-24) Expansion Module
Contents
1. EN 50082 1 TEC 801 2 ESD IEC 801 3 Radiated susceptibility IEC 801 4 EFT Service MTBF MHBK 217E gt 200 000 hrs MTTR lt 0 5 hr Specifications Physical Dimensions 35 0 D x 44 0 H x 3 0 W centimeters 13 8 D x 17 4 H x 1 2 W inches Weight Unit Shipping Electrical CPU Shared DRAM Memory Local DRAM Memory Flash Token Ring Interfaces NVRAM 5 2 1 36 kg 31b 1 81 kg 41b 1960 4Mb expandable to 12 Mb 4Mb expandable to 12 Mb 2Mb expandable to 14 Mb 2 Texas Instruments TMS380C26 Controllers 128 Kb2. Introduction Related Manuals The manuals listed below should be used to supplement the procedures and technical data contained in this manual SmartSwitch 9000 Installation Guide SmartSwitch 9000 Operations Guide SmartSwitch 9000 9C300 1 Environmental Module User s Guide SmartSwitch 9000 9C214 1 AC Power Supply User s Guide SmartSwitch 9000 Local Management User s Guide Getting Help For additional support related to this device or document contact the Cabletron Systems Global Call Center Phone 603 332 9400 Internet mail support 2ctron com FTP ctron com 134 141 197 25 Login anonymous Password your email address BBS 603 335 3358 Modem setting 8N1 8 data bits No parity 1 stop bit For additional information about Cabletron Systems or its products visit the World Wide Web site http www cabletron com For technical support select Service and Support To send comments or suggestions concerning this document contact the Cabletron Systems Technical Writing Department via the following email address TechWriting ctron com Make sure to include the document Part Number in the email message Before calling the Cabletron Systems Global Call Center have the following information ready e Your Cabletron Systems service contract number e A description of the failure e A description of any action s already taken to resolve the problem e g changing mode switches rebooting the unit etc
3. band from user data Modules that share the SMB 10 bus periodically send out loop back packets to ensure the validity of SMB 10 In the event a fault is detected on the SMB 10 the SMB 1 can be used as an alternate communication channel by the modules Operation System Diagnostic Controller This diagnostic controller is composed of a Z 80 microprocessor and its supporting logic The diagnostic controller is designed to control the power up sequencing of modules monitor the 9T122 24 input and output power parameters keep watch over the main host processor as well as monitor the temperature and control the SMB LANVIEW diagnostic LED Although the diagnostic controller and the main host processor can operate independent of each other if needed they exchange information about each other s status and overall module condition The information gathered by the diagnostic controller is available to the network manager via local remote management and the LCD located on the environment module The 9T122 24 has been designed so that in the event of a diagnostic controller fault the module will continue to function DC DC Converter The DC DC converter converts the 48 VDC on the system power bus to the necessary operating voltages for its host network services module The diagnostic controller controls the operation of the DC DC converter FNB Interface SmartSwitch 9000 modules are designed with one of two attachment policies One allows a m
4. Red No link Port disabled Red Flashing Link Port disabled Green Link No activity Port enabled Yellow Flashing Link Activity Flashing rate indicates rate of activity Off No link No activity Port enabled The function of the Token Ring Mac transmit LEDs are listed in Table 4 5 Table 4 5 Token Ring Transmit LED LED Color State Red Port Disabled Red Flashing Fault Ring is Beaconing Green Flashing Activity Flashing rate indicates rate of activity Yellow Flashing Port in standby state Link Off No activity Port enabled The functions of the Link LED are listed in Table 4 6 Table 4 6 Port Link LEDs LED Color State Red No link Port disabled Red Flashing Link Port disabled or Speed fault Green Link Port enabled Off No link Port enabled 4 3 LANVIEW LEDs The function of the Token Ring speed LEDs is listed in Table 4 7 Table 4 7 Token Ring Speed LED Color State Yellow 16 Mbs Off 4 Mps 4 4 Specifications Safety It is the responsibility of the person who sells the system to which the module will be a part to ensure that the total system meets allowed limits of conducted and radiated emissions This equipment meets the safety requirements of UL 1950 CSA C22 2 No 950 EN 60950 IEC 950 EMI Requirements of FCC Part 15 Class A EN 55022 Class A VCCI Class I EMC requirements of
5. e The serial and revision numbers of all involved Cabletron Systems products in the network e A description of your network environment layout cable type etc e Network load and frame size at the time of trouble if known e The device history i e have you returned the device before is this a recurring problem etc e Any previous Return Material Authorization RMA numbers 1 4 Chapter 2 Installation Installing the MicroLAN Module The SmartSwitch 9000 MicroLAN Module may be installed into any of the 14 slots that are available To install follow the steps below 1 Switch off the power supplies and remove all power from the SmartSwitch 9000 chassis 2 Remove the blank panels covering the slots that the module is being mounted in All other slots must be covered if modules are not being installed to ensure proper airflow and cooling 3 Carefully remove the module from the shipping box Save the box and packing materials in the event the module must be reshipped 4 Attach one end of the ESD wrist strap packaged with the SmartSwitch 9000 chassis to your wrist Plug the other end into the ESD Wrist Strap Grounding receptacle in the lower right corner of the SmartSwitch 9000 Chassis shown in Figure 2 1 5 Remove the module from the plastic bag Observe all precautions to prevent damage from Electrostatic Discharge ESD 6 Carefully examine the module checking for damage If any damage exists DO NOT instal
6. enhance module security Reset Switch SMB O O cru Figure 2 2 The Reset Switch 2 3 Installation User Accessible Components Figure 2 3 shows the various components that are accessible to the user These consist of an eight position dip switch explained in the next section replaceable PROMs and sockets for RAM These will be used for future upgrades SMB 1 PROM 960 Processor Flash SIMM Socket DIP Switch Boot PROM Shared Packet Memory SIMM Local Program Memory SIMM Socket Figure 2 3 User Accessible Components 2 4 Installation Setting the Module Card DIP Switch An eight switch DIP switch is located on the module card as shown in Figure 2 3 and in Figure 2 4 The function of the switches are listed in Table 2 1 m 12345678 Figure 2 4 Location of Module DIP Switch Installation See the Cautions at the end of this table Switch Table 2 1 Function of DIP Switch Function Clear Password Description When toggled this switch clears user entered passwords stored in NVRAM and restores the default passwords Once reset you can use the defaults or enter new passwords Clear NVRAM The module uses N
7. star wired network with the SmartSwitch 9000 at the center Consult the SmartSwitch 9000 Local Management Guide for information on configuring the ports TOKEN RING 9T122 24 a O Ow ON IBM 8228 STP Cable oe OF Ox Oo oz os os CX X x 3c Y Y GU Y Y 6e l Figure 2 5 Using a Ring Out Port 2 7 Installation 2 8 Chapter 3 Operation The 9T122 24 MicroLAN Module provides connectivity between the front panel Token Ring s and the FDDI rings on the backplane FNB 1 or FNB 2 SmartSwitch 9000 modules connect to either the Internal Network Bus INB or the Flexible Network Bus FNB bus The 9T122 24 module connects to the FNB bus Figure 3 1 is a block diagram of the module The front panel may be configured as one Token Ring factory default or as two rings In the two ring configuration the rings function as individual networks each with 12 ports Bridging Routing may occur between these two rings and or to any other SmartSwitch 9000 module via the FNB DC DC Converter System Diagnostic Controller Twelve Front Panel Connections i960 PLUS Core Twelve Front Panel Connections Figure 3 1 9T122 24 Block Diagram Operation Bridging The 9T122 24 is configured for SRT
8. 9031206 02 SmartSwitch 9000 9T122 24 User s Guide CABLETRON YSTEMS The Complete Networking Solution Notice 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 software described in this manual is subject to change without notice IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL INDIRECT SPECIAL OR CONSEQUENTIAL DAMAGES WHATSOEVER 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 O Copyright March 1998 by Cabletron Systems Inc 35 Industrial Way Rochester NH 03867 5005 All Rights Reserved Printed in the United States of America Order Number 9031206 02 LANVIEW is a registered trademark and SmartSwitch is a trademark of Cabletron Systems Inc CompuServe is a registered trademark of CompuServe Inc 1960 microprocessor is a registered trademark of Intel Corp Ethernet is a trademark of Xerox Corporation Notice 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 interfere
9. D standards This allows the FNB to traverse multiple SmartSwitch 9000 hubs or connect to any ANSI FDDI compliant device through standard A B port connections using the FDDI repeater module System Management Buses There are two management channels within the SmartSwitch 9000 system the SMB 1 and the SMB 10 These buses provide out of band management and inter module management communication SMB 1 Bus The SMB 1 is a IMbs management bus located within the SmartSwitch 9000 This bus is utilized by all diagnostic controllers in the system including connectivity modules power supply modules and the environmental module The SMB 1 transports inter chassis information between system components such as power and environmental information as well as diagnostic messages Periodic loop back tests are preformed by all modules that share this bus to ensure the validity of SMB 1 In the event a failure is detected on SMB 1 the SMB 10 may be used as an alternate communication channel SMB 10 Bus The SMB 10 is a 10Mbs management bus located within the SmartSwitch 9000 that is also used for inter chassis communication of modules as well as serving as an out of band management channel into the SmartSwitch 9000 The SMB 10 is externalized from the chassis via an optional Ethernet Port Interface Module EPIM located on the front of the Environmental Module Through an EPIM connection full SNMP management of the SmartSwitch 9000 is available out of
10. VRAM to store user entered parameters such as IP addresses device name etc To reset these parameters to the factory defaults toggle this switch Once reset you can use the defaults or enter new parameters which are stored in NVRAM when the module is powered down and remain there until the switch is toggled again Force BootP Download Reserved Reserved Reserved Reserved Ring Configuration Toggling this switch after pulling the board out of the SmartSwitch 9000 clears download information from NVRAM and forces image files to be downloaded from the station configured to act as that modules BOOTP server For Factory Use Only For Factory Use Only For Factory Use Only For Factory Use Only Off One ring of 24 ports factory default On two rings of 12 ports each Caution Do not toggle Switch 8 unless you intend to reset the user configured be passwords to their factory default settings 2Caution Do not toggle Switch 7 unless you intend to reset the user parameters to the factory default settings Ring Speed The module defaults to a 16Mbps ring speed on all rings This may be changed though local management 2 6 Installation Multi Ring Out Capability Any port of the module may be configured as a ring out port through management software In this configuration a stand alone passive concentrator such as an IBM 8228 may be added to the ring as shown in Figure 2 5 This allows for a
11. bridging It will pass SR Source Routing frames between the rings and provides translation to transparent frames over the FNB to Ethernet and FDDI modules For information on configuring the bridging function see the addendum to the SmartSwitch 9000 Local Management User s Guide containing information specific to this module Transparent Bridging Transparent Bridging is accomplished by building a Source Address Table SAT from source MAC physical addresses and using the SAT to make forwarding decisions The 9T122 24 prevents unnecessary network traffic from passing through the module by implementing two separate filtering processes IEEE 802 1d or Cabletron s Special Filtering Database These processes may be used individually or in tandem The first process the IEEE 802 1D filtering process begins with the creation of a list of local node addresses in the SAT When the 9T122 24 first goes on line it initially forwards all packets across the bridge After receiving a packet on the bridge port the 9T122 24 learns the address of the sending node from the packet and stores that address in the SAT In this manner the bridge learns the address of each node on each side of the bridge The bridge then uses the addresses stored in the table to compare the destination address of each subsequent packet that travels to the bridge If the destination address of a packet resides on the bridge segment the 9T122 24 does not forward across the Toke
12. ing Speed 16mb Mamma Token Ring Mac Receive Link Figure 4 1 LANVIEW LEDs LANVIEW LEDs The functions of the two System Status LEDs System Management Bus SMB and the CPU are listed in Table 4 1 Table 4 1 System Status LEDs SMB and CPU LED Color State Description Green Functional Fully operational Yellow Crippled Not fully operational i e one bad port Yellow Green Booting Blinks yellow and green while booting Red Reset Normal power up reset Red Flashing Failed Fatal error has occurred Off Power off Module powered off The functions of the FNB receive LED are listed in Table 4 2 Table 4 2 FNB Receive LEDs LED Color State Red No link Port disabled Red Flashing Link Port disabled Green Link No activity Port enabled Yellow Flashing Activity Flashing rate indicates rate of activity Off No activity The functions of the FNB transmit LED are listed in Table 4 3 Table 4 3 FNB Transmit LEDs LED Color State Red Port disabled Red Flashing Fault or Error Flashing rate indicates rate Yellow Flashing Port in standby state Green Flashing Activity Flashing rate indicates rate of activity Off No activity 4 2 LANVIEW LEDs The functions of the Token Ring Mac receive LEDs are listed in Table 4 4 Table 4 4 Token Ring Receive LED LED Color State
13. l the module Contact Cabletron Systems Technical Support immediately 7 Slide the module into a slot and lock down both the top and bottom plastic tabs as shown in Figure 2 1 Take care that the module slides in straight and engages the backplane connectors properly When installing the module ensure that both circuit cards are between the card guides as shown in Figure 2 1 Check both the upper and lower tracks of both cards Installation 2 2 E Plastic Tab EV a Jack for ESD O lt 7 UN Wrist Strap Metal Back Panel Module Module Guides Warning Ensure that the circuit card is between the card guides Lock down the top and bottom plastic tabs at the same time applying even pressure Figure 2 1 Installing the MicroLAN Module Installation The Reset Switch The Reset switch is located on the front panel under the top plastic tab as shown in Figure 2 2 It serves two functions e Pressing the reset switch twice within three seconds causes the processor 1960 to reset e Pressing and holding the switch on for three or more seconds causes the module to shutdown Pressing and holding again for three seconds restarts the module SNMP management may be used to disable this switch to
14. n Ring link The second filtering process the Cabletron Systems Special Filtering Database provides an additional step in the filter forward decision Through Remote Management you can define up to 10 additional filtering parameters for incoming network traffic These parameters include but are not limited to the Destination address Source address Type field protocol 64 bytes of the data field using a data offset For example using this process you can ensure that the 9T122 24 always filters or forwards packets with a specific protocol or address Operation Source Route Bridging Source Route Bridging operates by transmitting frames over a designated route Unlike Transparent Bridging all devices in a Source Route Bridged SRB network know the locations of other stations within the network Using a portion of the MAC frame header known as the RIF Routing Information Field the source device determines the route for the frames it sends In order for source routing to work the source station must determine the proper route to reach the desired destination To accomplish this 1 The source station sends out frames called All Route Explorer ARE or Single Route Explorer SRE frames onto the network All Source Route Bridges recognize these frames and forwards them to their outbound ports 2 The receiving bridges append their own route information to the Route Information Field RIF in the MAC frame header a
15. nce and 2 this device must accept any interference received including interference that may cause undesired operation NOTE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment uses generates and can radiate radio frequency energy and if not installed in accordance with the operator s manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause interference in which case the user will be required to correct the interference at his own expense WARNING Changes 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 VCCI Notice This is a Class A product based on the standard of the Voluntary Control Council for Interference by Information Technology Equipment VCCI If this equipment is used in a domestic environment radio disturbance may arise When such trouble occurs the user may be required to take corrective actions COME RIE RE YA V CC I DIE EDS YS AAMBRAEE CT COBRAR CAS 5 CER MERBEEITTENDO ST DOSSIER RT DEJTEMINILEMBO ET DOC Notice This digital apparatus does not exceed the Class A limits for radio
16. nd Location Location lii Notice Chapter 1 Introduction Features AA DA IIS re RIOS 1 1 Related MaS ettet htec ci IEEE DRE TOME 1 4 Getting Help ree ne ee d ra rad eiii telae i urea feles 1 4 Chapter 2 Installation Installing the MicroLAN Module sse 2 1 The Reset Within ete Ge a ee Nd red etes 2 3 User Accessible Components iii 24 Setting the Module Card DIP Switch iii 2 5 Ring Speedissitistat atten ai lividi ala ail alri 2 6 Multi Ring Out Capability iii 2 7 Chapter3 Operation Bd sila li e e dt ies Ha iii tatus Oni 3 2 Transparent Bridging iii 3 2 Source Route Bridging uu 3 3 Spanning Tree Algorithm li 3 3 Flexible Network Bus FNB ii 3 4 System Management Buses iii 3 4 SMB 1 E 3 4 SMB 10 RN 3 4 System Diagnostic Controller iii 3 5 DE DG CONVE Hacia ette nta Nn aa 3 5 ENB Interface ya eere petere iet pee ete te ne ete eti en 3 5 1960 rin tiui arie Re eee Rt eet HE i ett enel iS 3 5 Chapter 4 LANVIEW LEDs Chapter5 Specifications Safety orso et NS AE 5 1 e SA A A ra 5 1 Physical 5 oe e esee st eite dni eie siii 5 2 DIMAS Se A 5 2 Weight nentes e iem HR Re REI eset ge i ette LO Rae EE oae e tne 52 Electrical e rsen erm m ome AT ra 5 2 Contents vi Chapter 1 Intr
17. nd transmit the frame again 3 Eventually the original source device receives all of the ARE replies from the other end stations on the network 4 From this information the source device can determine a desired route for each frame it transmits Spanning Tree Algorithm The 9T122 24 promotes maximum network use in multiple bridge environments A bridge learns the bridge topology of its network from bridge protocol data that it receives from other bridges within the network The bridges then apply the Spanning Tree Algorithm STA to select a root bridge and then determine primary data paths within potential data loop configurations Spanning Tree Algorithm is a hierarchy or tree of priorities that bridges establish between themselves This hierarchy guarantees that primary and redundant data paths are clearly defined at all times so that the network is continuously available to users In a multiple bridge environment one bridge in the network establishes itself as the root bridge As the root this bridge has priority over all other bridges In a Spanning Tree all of the bridges must determine which bridge is the root and then determine their own relative priority within the network Operation Flexible Network Bus FNB The FNB consists of two dual FDDI networks the FNB 1 and FNB 2 providing up to 400 Mbps of data bandwidth These FDDI networks are 100 ANSI FDDL compliant supporting SMT version 7 3 MAC PHY and PM
18. noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la class A prescrites dans le Reglement sur le brouillage radio lectrique dict par le minist re des Communications du Canada Notice DECLARATION OF CONFORMITY ADDENDUM Application of Council Directive s 89 336 EEC 73 23 EEC Manufacturer s Name Cabletron Systems Inc Manufacturer s Address 35 Industrial Way PO Box 5005 Rochester NH 03867 European Representative Name Mr J Solari European Representative Address Conformance to Directive s Product Standards Equipment Type Environment Cabletron Systems Limited Nexus House Newbury Business Park London Road Newbury Berkshire RG13 2PZ England EC Directive 89 336 EEC EC Directive 73 23 EEC EN 55022 EN 50082 1 EN 60950 Networking Equipment for use in a Commercial or Light Industrial Environment We the undersigned hereby declare under our sole responsibility that the equipment packaged with this notice conforms to the above directives Manufacturer Legal Representative in Europe Mr Ronald Fotino Mr J Solari Full Name Full Name Principal Compliance Engineer Managing Director E M E A Title Rochester NH USA Title Newbury Berkshire Engla
19. oduction The 9T122 24 MicroLAN Switch Module shown in Figure 1 1 is a three port Token Ring bridge and router module This module supports either one token ring with 24 HUB connections or two separate Token Rings with 12 HUB connections and an interface to the FNB backplane Features Processor The 9T122 24 is equipped with an advanced Intel i960 microprocessor This microprocessor provides a platform for all management functions within a scalable RISC based architecture System Management Interfaces to the two System Management Buses SMB 1 and SMB 10 for intermodule management Connectivity The 9T122 24 provides 24 RJ 45 Trunk Coupling Unit TCU lobe connectors The connectors may be configured as one 24 port ring default or two 12 port rings Bridging Routing Bridging Routing between the front panel Token Ring connections and or to any other module in the chassis via FNB 1 or FNB 2 of the FNB bus The module is capable of Transparent Bridging or Source Route Bridging IEEE 802 1d Spanning Tree Protocol is supported in all bridging functions Translational bridging between Source Routing and Transparent Frames types is also performed 1 1 Introduction Management Information Base MIB Support The 9T122 24 module provides MIB support including IETF MIB II RFC 1213 IETF RMON MIB RFC 1271 and 1513 IETF Bridge MIBs RFC 1493 and 1525 IEEE 802 5 Token Ring MIB RFC 1231 Cabletron Enterprise MIBs F
20. odule to dual attach to either FNB 1 or FNB 2 the second allows dual attachment to both FNB 1 and FNB 2 The 9T122 24 have one dual attachment to the FNB backplane connecting to either FNB 1 or FNB 2 The module can insert into the FNB or bypass it These flexible configuration options make the SmartSwitch 9000 ideal for networks designed to Bridge Route multiple lower speed LANs to FDDI and or networks designed using an FDDI collapsed backbone 1960 Core The i960 core in the FNB module serves two major functions it provides the packet forwarding logic and performs all network management services FNB modules can be configured to run as layer 2 bridges layer 3 routers or as SecureFast Packet Switches It is possible to run the bridging and routing options concurrently but the SFPS option cannot run with bridging and routing Operation The i960 core provides the SNMP protocol stacks as well as support for industry standard MIBs Additionally Cabletron enterprise extension MIBs are supported for each media type Advanced management services such as the Distributed LAN Monitor RMON telnet and network address to MAC address mapping are also provided by the i960 core Chapter 4 LANVIEW LEDs The front panel LANVIEW LEDs shown in Figure 4 1 indicate the status of the module and may be used as an aid in troubleshooting TOKEN RING System Status FNB Receive FNB Transmit Token Ring Mac Transmit Token R
21. or a complete list of supported MIBs refer to the release notes provided in the module package Ring Security This feature prevents unauthorized stations from attaching to the ring Using Local or Remote Management the module may be configured as to which MAC addresses are allowed to operate on the ring Multi Ring Out Capability With this feature any port of the module may be configured as a ring out port through management software In this configuration a stand alone passive concentrator such as an IBM 8228 MAU may be added to the ring Telnet A telnet session can be set up with the module to provide access to the Local Management screens LANVIEW LEDs The 9T122 24 use LANVIEW the Cabletron Systems built in visual diagnostic and status monitoring system With LANVIEW LEDs you can quickly identify the device port and physical layer status at a glance Hot Swapping The 9T122 24 can be installed or removed from the chassis while the SmartSwitch 9000 is powered up without affecting the operation of the remaining modules in the chassis Introduction TOKEN RING 9T122 24 52 au SMBQ CPU JE 8 0g Oeo ON Oo OF OF Oo ON O 03 CT X Xx x Y y x cT Xxx On a OR Om os OX os Os oS oN o o8 Y ES CT x X c Y Y x 6 T x x O Z T E Figure 1 1 The 9T122 24 MicroLAN Module
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