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Cabletron Systems 2H253-25R manual Introduction, Overview, Important Notice

Models: 2H253-25R

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Introduction

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Introduction

This chapter introduces the 2H253-25R SmartSwitch 2200 device and provides information about how to obtain additional support from Cabletron Systems.

Important Notice

Depending on the ﬁrmware version used in the 2H253-25R, some features described in this document may not be supported. Refer to the Release Notes shipped with the 2H253-25R to determine which features are supported.

1.1OVERVIEW

The 2H253-25R (Figure 1-1) is an Ethernet/Fast Ethernet standalone device with two RJ21 front panel connectors (each containing 12 switched ports), and 1 slot for an optional High Speed Interface Module (HSIM) or Very High Speed Interface Module (VHSIM).

LED MODE Switch	Port Status	HSIM/VHSIM Slot
LED MODE Switch	LEDs
	LEDs

FAST ETHERNET WORKGROUP SWITCH
	LED	2	4	6	8	10	12	14	16	18	20	22	24
	MODE	1	3	5	7	9	11	13	15	17	19	21	23
	RX-TX	1	3	5	7	9	11	13	15	17	19	21	23
	RX-TX
	DPX-SPD
		PWR
2H253-25R	RESET	CPU
2H253-25R	COM
	COM

	Reset	COM	System	Network Ports 1-24
	Button	Port
			LEDs	(Two RJ21 connectors)	27621-01

Figure 1-1 The 2H253-25R SmartSwitch 2200

Introduction 1-1

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Cabletron Systems 2H253-25R manual Introduction, Overview, Important Notice

Contents

FAST ETHERNET WORKGROUP SWITCH 2H253-25R SmartSwitch Installation User’s GuideRESET 2H253-25RPage Only qualiﬁed personnel should perform installation procedures FCC NOTICE INDUSTRY CANADA NOTICEVCCI NOTICE CABLETRON SYSTEMS, INC PROGRAM LICENSE AGREEMENT Page CABLETRON SYSTEMS SALES AND SERVICE, INC PROGRAM LICENSE AGREEMENT 7. NO LIABILITY FOR CONSEQUENTIAL DAMAGES. IN NO EVENT SHALL CABLETRON OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS, PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, SPECIAL, INCIDENTAL, CONSEQUENTIAL, OR RELIANCE DAMAGES, OR OTHER LOSS ARISING OUT OF THE USE OR INABILITY TO USE THIS CABLETRON PRODUCT, EVEN IF CABLETRON 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 IN THE DURATION OR LIMITATION OF IMPLIED WARRANTIES IN SOME INSTANCES, THE ABOVE LIMITATION AND EXCLUSIONS MAY NOT APPLY TO YOU CABLETRON SYSTEMS LIMITED PROGRAM LICENSE AGREEMENT viii If the Program is exported from the United States pursuant to the License Exception TSR under the U.S. Export Administration Regulations, in addition to the restriction on transfer set forth in Sections 1 or 2 of this Agreement, You agree not to i reexport or release the Program, the source code for the Program or technology to a national of a country in Country Groups D1 or E2 Albania, Armenia, Azerbaijan, Belarus, Bulgaria, Cambodia, Cuba, Estonia, Georgia, Iraq, Kazakhstan, Kyrgyzstan, Laos, Latvia, Libya, Lithuania, Moldova, North Korea, the People’s Republic of China, Romania, Russia, Rwanda, Tajikistan, Turkmenistan, Ukraine, Uzbekistan, Vietnam, or such other countries as may be designated by the United States Government, ii export to Country Groups D1 or E2 as deﬁned herein the direct product of the Program or the technology, if such foreign produced direct product is subject to national security controls as identiﬁed on the U.S. Commerce Control List, or iii if the direct product of the technology is a complete plant o r any major component of a plant, export to Country Groups D1 or E2 the direct product of the plant or a major component thereof, if such foreign produced direct product is subject to national security controls as identiﬁed on the U.S. Commerce Control List or is subject to State Department controls under the U.S. Munitions ListDECLARATION OF CONFORMITY Page INTRODUCTION ContentsNETWORK REQUIREMENTS ABOUT THIS GUIDETROUBLESHOOTING INSTALLATIONSPECIFICATIONS OPTIONAL INSTALLATIONS AND MODE SWITCH BANK SETTINGSxiii FiguresTroubleshooting Checklist TablesLANVIEW LEDs COM Port Pin AssignmentsAbout This Guide USING THIS GUIDESTRUCTURE OF THIS GUIDE Important NoticeRELATED DOCUMENTS HSIM-W6 Installation Guide HSIM-W84 Installation GuideEthernet Technology Guide Cabling Guide SmartTrunk User’s Guide WAN Series Local Management User’s GuideThe guide uses the following conventions DOCUMENT CONVENTIONSPage Introduction 1.1 OVERVIEWImportant Notice 1.1.2 Auto-Negotiation 1.1.1 Connectivity1.1.3 Runtime IP Address Discovery 1.1.4 Full Duplex Switched Ethernet1.1.5 SmartTrunk The 2H253-25R will reboot after RAD is successful1.1.6 Remote Monitoring RMON 1.1.7 Broadcast Suppression1.1.8 Port/VLAN Redirect Functions 1.1.10 Flow Control 1.1.9 Rate Limiting1.1.14 Switching Options 1.1.11 GARP Switch Operation1.1.12 802.1 Port Priority 1.1.13 Management1.1.15 Optional HSIMs and VHSIMs 1.1.18 LANVIEW Diagnostic LEDs1.1.16 Standards Compatibility 1.1.17 Year 2000 Compliant1.2 GETTING HELP anonymousyour email address Network Requirements 2.1 SmartTrunk2.2 10BASE-T NETWORK 2.3 100BASE-TX NETWORK 100BASE-TX Network2-2 Network Requirements 3.1 UNPACKING THE DEVICE Installation3.2 INSTALLING OPTIONS 3.3 INSTALLING THE DEVICETable 3-1 Contents of 2H253-25R Carton 3.3.1 Tabletop or Shelf Installation Guidelines for Tabletop and Shelf InstallationsInstallation 3.3.2 Rackmount Installation Guidelines for the Rackmount InstallationA = 15 cm 6 in B = 57 cm 22.5 in C = 53 cm 21 in D = 213 cm 7 ft Attaching the Strain-Relief Bracket InstallationRack mounting the 2H253-25R involves the following Rack Mounting the 2H253-25R To connect the 2H253-25R to the power sources, proceed as follows 3.3.3 Connecting Power3.4 CONNECTING TO THE NETWORK Transmit TX Figure 3-6 Straight Cable Connection3.5 COMPLETING THE INSTALLATION 4.1 USING LANVIEW TroubleshootingDevice electronics not Table 4-1 LANVIEW LEDs Cont’d Should ﬂash green every two Refer to the SmartSwitch Series 4.2 TROUBLESHOOTING CHECKLIST1. Refer to the SmartSwitch Series 2E253, 2H252, 2H253, and 2H2582H258 Local Management User’s Series 2E253, 2H252, 2H253, andRefer to the SmartSwitch Series 2E253, 2H252, 2H253, and 2H258sometime before either cycling NVRAM Reset, was changedFigure 4-2 RESET Button 4.3 USING THE RESET BUTTONA.1 DEVICE SPECIFICATIONS SpeciﬁcationsA.2 PHYSICAL PROPERTIES A.4 ENVIRONMENTAL REQUIREMENTS A.3 ELECTRICAL SPECIFICATIONSA.5 INPUT/OUTPUT PORTS 200-240 VacA.6 COM PORT PINOUT ASSIGNMENTS A.7 REGULATORY COMPLIANCEFCC Part 15, CSA C108.8, 89/336/EEC, EN Page B.1 REQUIRED TOOLS Optional Installations and Mode Switch Bank SettingsThis section describes how to remove the 2H253-25R chassis cover B.2 REMOVING THE CHASSIS COVERB-2 Optional Installations and Mode Switch Bank Settings Removing the Chassis CoverTo remove the chassis cover, proceed as follows Removing the Chassis Cover B-4 Optional Installations and Mode Switch Bank SettingsScrews Chassis Cover Front Panel Chassis Figure B-1 Removing the Chassis CoverB.3 SETTING THE MODE SWITCHES B.4 SIMM UPGRADE SIMM UpgradeB-6 Optional Installations and Mode Switch Bank Settings B.4.1 Locating SIMMs B.4.2 Installing the DRAM SIMMConnector Connector Teeth Clip Side Notch SIMM UpgradeFigure B-4 Installing the DRAM B-8 Optional Installations and Mode Switch Bank SettingsInstalling Optional HSIM or VHSIM Interface Modules B.5 INSTALLING OPTIONAL HSIM OR VHSIM INTERFACE MODULESFigure B-5 HSIM and VHSIM Connector Locations Optional Installations and Mode Switch Bank SettingsPage Numerics IndexIndex-2 Index