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Cabletron Systems SmartSwitch 9000 User Manual
Summary of SmartSwitch 9000
Page 1
Smartswitch 9000 9h423-26 user’s guide 9032242-02.
Page 3: Notice
I 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 soft...
Page 4: Fcc Notice
Notice ii 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 interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Not...
Page 5
Iii 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: ...
Page 6: Safety Information
Notice iv safety information class 1 laser transceivers the 9h423-26 is a class 1 laser product the 9h423-26 uses a class 1 laser transceiver. Read the following safety information before installing or operating these adapters. The class 1 laser transceivers use an optical feedback loop to maintain ...
Page 7: Contents
V contents chapter 1 introduction features........................................................................................................................... 1-2 related manuals............................................................................................................ 1-6 ge...
Page 8
Contents vi chapter 5 specifications technical specifications ................................................................................................ 5-1 cpu .......................................................................................................................... 5-1 memory...
Page 9: Chapter 1
1-1 chapter 1 introduction the 9h423-26 (figure 1-1) is a switching module with twenty-six 100 mbps ethernet ports. The module is configured with two rj21 connectors (category 5 rated), providing twenty-four ports, and two multimode fiber sc connectors. Each module also provides an additional port t...
Page 10: Features
Introduction 1-2 features processor the 9h423-26 module is equipped with an advanced intel i960 microprocessor. This microprocessor provides a platform for all management functions such as spanning tree, rmon, and mib support, within a scalable risc-based architecture. Fast packet switching the 9h42...
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1-3 introduction auto-negotiation the auto-negotiation feature (available only with the 100base-t rj21 ports) allows the module to automatically use the fastest rate supported by the device at the other end (either 10 mbps or 100 mbps at either half or full duplex). To negotiate duplex, both the 9h4...
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Introduction 1-4 inb the 9h423-26 module attaches to inb-b of the smartswitch 9000 backplane. The inb backplane is designed to transport fixed-length data blocks between modules in the smartswitch 9000 using an inb time division multiplexing (itdm) design. The smartswitch 9000 inb bus delivers 2.5 g...
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1-5 introduction figure 1-1. The 9h423-26 module smb cpu inb 9h423-26 fast enet f a s t e n e t fast enet f a s t e n e t 25 26 23 24 21 22 19 20 17 18 15 16 13 14 11 12 9 10 7 8 5 6 3 4 1 2.
Page 14: Related Manuals
Introduction 1-6 related manuals the cabletron systems manuals listed below should be used to supplement the procedures and technical data contained in this manual. Smartswitch 9000 installation guide smartswitch 9000 9c300-1 environmental module user’s guide smartswitch 9000 9c214-1 ac power supply...
Page 15: Chapter 2
2-1 chapter 2 installing the 9h423-26 module the 9h423-26 module occupies a single slot in the smartswitch 9000 chassis. Install the modules by following the steps described later in this chapter. Unpacking the module 1. Carefully remove the module from the shipping box. (save the box and packing ma...
Page 16
Installing the 9h423-26 module 2-2 figure 2-1. User-accessible components setting the module dip switch the dip switch on the 9h423-26 module (figure 2-1 ), is an eight-switch dip located near the left, bottom corner of the module. Each switch is set according to the functions described in table 2-1...
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2-3 installing the 9h423-26 module see the cautions at the end of this table. Table 2-1. Function of dip switch switch function description 8 clear password -1 this module stores user-entered passwords in nvram (nonvolatile random access memory). To clear these passwords, toggle this switch and then...
Page 18: Chassis
Installing the 9h423-26 module 2-4 installing the module in the smartswitch 9000 chassis to install the 9h423-26 module in the smartswitch 9000 chassis, follow the steps below: 1. Remove the blank panel covering the slot in which the module will be mounted. All other slots must be covered to ensure ...
Page 19
2-5 installing the 9h423-26 module figure 2-2. Installing the module metal back-panel module guides module jack for esd wrist strap plastic tab 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..
Page 20: The Reset Switch
Installing the 9h423-26 module 2-6 the reset switch the reset switch is located on the front panel, under the top plastic tab as shown in figure 2-3. It serves three functions: resetting the i960 processor, shutting down the module, or restarting the module. • to reset the i960 processor, press the ...
Page 21: Chapter 3
3-1 chapter 3 operation the 9h423-26 module is a twenty-seven port device. Two front panel rj21 connectors support twenty-four 100base-t ports, along with two sc fiber connectors that support two 100base-fl ports. Each of these twenty-six ports is a separate collision domain, while the 27th port con...
Page 22: Fenib
Operation 3-2 figure 3-1. Packet flow for the 9h423-26 fenib the fast ethernet network interface block (fenib) converts fast ethernet data packets received through front-panel ports into a common canonical format that allows the smartswitch asic engine to determine the proper destination port. The f...
Page 23: Smartswitch Asic
3-3 operation smartswitch asic the smartswitch asic is a hardware-based switch design that is the key building block of the smartswitch 9000 hub. The smartswitch asic makes all filtering/ forwarding decisions in custom hardware as opposed to software as in traditional bridges. This custom hardware e...
Page 24
Operation 3-4 . Figure 3-2. Vlan-based network vlan domains vlan domains consist of groups of interconnected vlan switches separated by routing devices. Figure 3-3 shows such an arrangement. Each group of switches constitutes a vlan domain. Figure 3-3. Vlan domains endpoints on vlan 1 endpoints on v...
Page 25: Securefast Vlan Switches
3-5 operation fully meshed vlan domains the switches shown in figure 3-3 above are said to be fully meshed. The term “fully meshed” is often used when describing the connections between switches in a domain. Fully meshed implies that there are links between all switches to every other switch. A full...
Page 26: I960 Core
Operation 3-6 i960 core the i960 core provides the snmp protocol stacks, to support industry-standard mibs. Additionally, cabletron enterprise extension mibs are supported for each media type. Advanced management services, such as the distributed lan monitor, telnet and network address to mac addres...
Page 27: System Diagnostic Controller
3-7 operation smb-10 bus the smb-10 is a 10 mbps management bus located within the smartswitch 9000. This bus is used for inter-chassis communication of modules as well as serving as a side-band management channel into the smartswitch 9000. The smb-10 is externalized from the chassis via an optional...
Page 28
Operation 3-8 arbitration for the backplane is accomplished in the inb time division multiplexing (itdm) logic. The arbitration is a three-level scheme that ensures that no one can get the backplane for more than one time slice at a time. The itdm ram contains 256 4-bit locations. This ram is used t...
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3-9 operation monarch/slave smartswitch 9000 modules all modules in an smartswitch 9000 chassis that transfer packets across the inb backplane have identical inb interfaces. However, one of them has to be selected to perform the backplane arbitration. The lowest slot number module will automatically...
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Operation 3-10
Page 31: Chapter 4
4-1 chapter 4 lanview leds the front panel lanview leds indicate the status of the module and may be used as an aid in troubleshooting. Shown in figure 4-1 are the lanview leds of the 9e423-26 module. Figure 4-1. The lanview leds port transmit fast enet 26 25 25 26 23 24 21 22 19 20 17 18 15 16 13 1...
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Lanview leds 4-2 the functions of the two system status leds, system management bus (smb) and cpu (central processing unit), are listed in table 4-1. The functions of the inb receive led are listed in table 4-2. The functions of the inb transmit led are listed in table 4-3. Table 4-1. System status ...
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4-3 lanview leds the functions of the port receive leds are listed in table 4-4 . The functions of the port transmit leds are listed in table 4-5. Table 4-4. Port receive leds led color state green link, no activity port enabled green (blinking) link, port disabled yellow (flashing) link, activity, ...
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Lanview leds 4-4.
Page 35: Chapter 5
5-1 chapter 5 specifications technical specifications cpu intel i960 risc based microprocessor memory 4 mb local ram (expandable to 32 mb) 4 mb flash memory (expandable to 32 mb) 2 mb packet ram 16 mb dram (expandable to 48 mb) standards ieee 802.1d ieee 802.3u 100base-t ieee 802.3u 100base-fx netwo...
Page 36: Safety
Specifications 5-2 safety this equipment meets the safety requirements of ul 1950 csa c22.2 no. 950 en 60950 iec 950 the emi requirements of • fcc part 15 class a • en 55022 class a • vcci class i the emc requirements of • en 50082-1 • iec 801-2 esd • iec 801-3 radiated susceptibility • iec 801-4 ef...
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5-3 specifications environment operating temperature: 5° to 40° c (41° to 104° f) storage temperature: -30° to 90° c (-22° to 164° f) relative humidity 5% to 95% (non-condensing).
Page 38
Specifications 5-4.
Page 39: Appendix A
A-1 appendix a 9h423-26 cabling requirements to achieve the highest possible performance from your 9h423-26, proper cabling assemblies and connector hardware for a high speed fast ethernet connection are required. This appendix reviews the 9h423-26 connector types and explains the proper mating cabl...
Page 40
9h423-26 cabling requirements a-2 fast ethernet standard requirements 100base-tx the ieee 802.3u (fast ethernet specification) specifies for 100base-tx to use either two pair 100 ohm category 5 unshielded twisted pair (utp) cable or 2 pair 150 ohm shielded twisted pair (stp) cable. This module utili...
Page 41
A-3 9h423-26 cabling requirements figure a-2. Rj45 plug pinout on the 9h423-26, the connecting hardware is not aneight-wire rj45, but a 50-wire, 25-pair rj21 (figure a-3). Table a-1. Rj45 pinout rj45 pin # wire color code pair eia/tia 568a wiring 5 white/blue pair 1 not used 4 blue 3 white/orange pa...
Page 42
9h423-26 cabling requirements a-4 figure a-3. Rj21 connector the rj21 connector is a d-shaped metal housing that is wired and crimped to a 25-pair utp cable (figure a-4). Figure a-4. Rj21 pinout the rj21 connector has one pair that is unconnected: pair 25, which corresponds to pins 25 and 50 on the ...
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A-5 9h423-26 cabling requirements table a-2. Rj21 pinout rj21 pin # wire color code pair signal port 26 white /blue 1 rx+ 1 1 blue /white rx- 27 white /orange 2 tx+ 2 orange /white tx- 28 white /green 3 rx+ 2 3 green /white rx- 29 white /brown 4 tx+ 4 brown /white tx- 30 white /slate 5 rx+ 3 5 slate...
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9h423-26 cabling requirements a-6 38 black /green 13 rx+ 7 13 green /black rx- 39 black /brown 14 tx+ 14 brown /black tx- 40 black /slate 15 rx+ 8 15 slate /black rx- 41 yellow /blue 16 tx+ 16 blue /yellow tx- 42 yellow /orange 17 rx+ 9 17 orange /yellow rx- 43 yellow /green 18 tx+ 18 green /yellow ...
Page 45
A-7 9h423-26 cabling requirements 100base-fx on the fiber end, clause 26 of the ieee 802.3 defines 1300 nm operation over two strands of 62.5/125 µ m graded index multimode fiber. Fx also permits three types of fiber optic connectors: st, fddi mic, and sc. The duplex sc connector (figure a-5) houses...
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9h423-26 cabling requirements a-8 per tia/eia 568a, 100 Ω utp cables and connecting hardware are rated into five classifications: category 1 through category 5, based on transmission characteristics and performance requirements. Refer to table a-3. Physical differences between the various classifica...
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A-9 9h423-26 cabling requirements return loss (srl). Refer to table a-4. To be labeled as category 5, the following srl values must be satisfied. • attenuation - attenuation refers to the amount of signal level degradation through a medium. This can be caused from impurities in the cable, and theref...
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9h423-26 cabling requirements a-10 • near end crosstalk (next) loss - the next cites noise and interference within a pair, or more, of conductors where one conductor induces crosstalk on the other. The near end refers to coupling that takes place when the transmit signal entering the link couples ba...
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A-11 9h423-26 cabling requirements why are cat 5 connectors necessary for 100base-tx? Similar to the utp cable itself, the connector hardware plays an important role in the overall performance of the assembly. If an electrical signal travels through a category 5 cable with little attenuation and the...
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9h423-26 cabling requirements a-12 • return loss - return loss is the measure of the degree of impedance matching between cable and connector. A balanced input signal is applied to a connector pair and the reflected signal is measured. (reflections occur with mismatched impedances.) return loss requ...
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A-13 9h423-26 cabling requirements fiber optic cabling as mentioned previously, the 9h423-26 utilizes 1300 nm, 62.5/125 µ m fiber. Because it will be primarily used in a ‘backbone cabling’ configuration, the following optical fiber specifications will be stated per this case. (if implementing horizo...
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9h423-26 cabling requirements a-14.