Cabletron Systems 9H533-24, 9H532-24, 9H531-24 manual DC/DC Converter, INB Interface, I960 Core

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Technical Overview

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 monitors and controls the operation of the DC/DC converter.

INB Interface

Each module attaches to both INB A and INB B and has two INB ASICs. The INB ASICs use 64-byte Ethernet frames for transmission onto the INBs at 66 MHz.

The 9X5XX modules are fully compatible with the the Þrst generation 9X4XX modules. The Þrst generation modules communicate only on INB B using a

56-byte canonical frame format, at 40 MHz. If the newer module detects a Þrst generation module on the backplane, it automatically changes from the fast

66 MHz Ethernet frames, to the Þrst generation compatible 40 MHz canonical frame on INB B only. INB A is used only by the 9X5XX modules and remains at the higher speed.

i960 Core

The i960 core provides modules host services, the SNMP protocol stacks, to support industry standard MIBs, as well as Cabletron enterprise extension MIBs for each media type. Management services, such as telnet, WebView and network address to MAC address mapping, are also provided by the i960 core.

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Contents 9033050-02 Page FCC Notice Cabletron SYSTEMS, INC Program License Agreement Iii Cabletron Systems Limited Program License Agreement Page Page Declaration of Conformity Viii Contents Contents Features IntroductionIntroduction Auto-Negotiation Management Broadcast Suppression Priority Indicator Transmit Queue Switching Options Related Manuals Introduction User Accessible Components Unpacking the ModuleInstalling the SmartSwitch 9000 Module Switch Function Description Installing the Module into the SmartSwitch 9000 Chassis Using DIP SwitchInstalling the Module Reset Switch Reset SwitchCabling Requirements 10BASE-T Network100BASE-TX Network 100BASE-FX NetworkInstalling the SmartSwitch 9000 Module SmartSwitch Architecture Technical OverviewSystem Management Buses Technical OverviewSMB-10 Bus System Diagnostic ControllerSMB-1 Bus I960 Core DC/DC ConverterINB Interface LED Mode Switch Lanview LEDsLanview LEDs Functions of the INB transmit LED are listed in Table Functions of the INB receive LED are listed in Table DPX Status LEDs 9H532-24 only Lanview LEDs Specifications Technical SpecificationsPhysical ServiceRegulatory Compliance
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