Page 3 - NOTICE
NOTICE Enterasys Networks reserves the right to make changes in specifications and other information contained in this document and its web site without prior notice. The reader should in all cases consult Enterasys Networks to determine whether any such changes have been made. The hardware, firmwar...
Page 5 - PROGRAM LICENSE AGREEMENT
ENTERASYS NETWORKS, INC. PROGRAM LICENSE AGREEMENT BEFORE OPENING OR UTILIZING THE ENCLOSED PRODUCT, CAREFULLY READ THIS LICENSE AGREEMENT. This document is an agreement (“Agreement”) between You, the end user, and Enterasys Networks, Inc. (“Enterasys”) that sets forth your rights and obligations wi...
Page 7 - DECLARATION OF CONFORMITY; Berkshire RG14 2PZ, England
DECLARATION OF CONFORMITY Application of Council Directive(s): 89/336/EEC73/23/EEC Manufacturer’s Name: Enterasys Networks, Inc. Manufacturer’s Address: 35 Industrial WayPO Box 5005 Rochester, NH 03866-5005 European Representative Address: Enterasys Networks Ltd.Nexus House, Newbury Business ParkLon...
Page 9 - Contents; ABOUT THIS GUIDE
Contents vii Contents Figures ............................................................................................................................................ixTables.............................................................................................................................
Page 10 - INSTALLATION
viii Contents 3 INSTALLATION 3.1 Unpacking the Device ..................................................................................... 3-1 3.2 Installing Options............................................................................................. 3-2 3.3 Installing the Device .............
Page 11 - Figures
Figures ix Figure Page Figures 1-1 The 2H252-25R SmartSwitch 2200 ................................................................................. 1-1 3-1 Tabletop or Shelf Installation ........................................................................................... 3-4 3-2 Attaching the...
Page 12 - Tables
x Tables Table Page Tables 3-1 Contents of 2H252-25R Carton ....................................................................................3-2 4-1 LANVIEW LEDs ............................................................................................................4-3 4-2 Troubleshooting Che...
Page 13 - About This Guide; USING THIS GUIDE; Chapter 1; Introduction; Chapter 2; Network Requirements; Chapter 3; Installation; Chapter 4; Troubleshooting; Important Notice
About This Guide xi About This Guide Welcome to the 2H252-25R SmartSwitch 2200 Installation User’s Guide . This guide describes the 2H252-25R SmartSwitch 2200 device and provides information concerning network requirements, installation, troubleshooting, and specifications. USING THIS GUIDE Read thr...
Page 14 - Appendix A; Specifications; Appendix B; Optional Installations and Mode Switch Bank Settings; , describes how to remove; RELATED DOCUMENTS; The; WAN Series Local; are included on the QuickSET CD-ROM and, along with the other; software is contained on the VLAN Manager CD-ROM.
Related Documents xii About This Guide Appendix A , Specifications , contains information on functionality and operating specifications, connector pinouts, environmental requirements, and physical properties. Appendix B , Optional Installations and Mode Switch Bank Settings , describes how to remove...
Page 15 - DOCUMENT CONVENTIONS; The guide uses the following conventions:; Conveys helpful hints concerning procedures or actions.
Document Conventions About This Guide xiii DOCUMENT CONVENTIONS The guide uses the following conventions: NOTE: Calls the reader’s attention to any item of information that may be of special importance. TIP: Conveys helpful hints concerning procedures or actions. CAUTION: Contains information essent...
Page 17 - OVERVIEW
Introduction 1-1 1 Introduction This chapter introduces the 2H252-25R SmartSwitch 2200 device and provides information about how to obtain additional support from Enterasys Networks. 1.1 OVERVIEW The 2H252-25R (Figure 1-1) is a high-performance Fast Ethernet switch that provides 24 auto-negotiating ...
Page 18 - Connectivity
Overview 1-2 Introduction The 2H252-25R is used to connect individual high-bandwidth user devices, such as workstations, or to provide a central switching point for multiple 100-Mbps Fast Ethernet segments. The optional HSIMs provide high speed uplinks to networking technologies such as Fast Etherne...
Page 19 - Full Duplex Switched Ethernet; SmartTrunk User’s Guide; The 2H252-25R will reboot after RAD is successful.
Overview Introduction 1-3 The RAD requests start at an interval of 1 per second. The interval then doubles after every transmission until an interval of 300 seconds is reached. At this point, the interval remains at 300 seconds. The RAD requests continue until an IP address is received from a RARP o...
Page 20 - Broadcast Suppression
Overview 1-4 Introduction 1.1.5 Remote Monitoring (RMON) The 2H252-25R supports all nine Ethernet RMON groups. The Statistics, Alarms, Events and History groups are enabled on all ports by default. Enterasys Networks RMON Actions is a vendor-specific extension of RMON and provides the ability to set...
Page 21 - SmartSwitch Series; Flow Control; The 2H252-25R supports the following two types of flow control:
Overview Introduction 1-5 Administrators can configure up to four rate limit rules per port; however, each rule must not include conflicting 802.1p priority values. In order to control traffic inbound and outbound on the same port, two rate limit rules must be configured (one inbound and one outboun...
Page 22 - Local Management described in the
Overview 1-6 Introduction 1.1.11 802.1 Port Priority The 802.1 port priority is used to assign a default priority to the frames received without priority information in their tag header, map prioritized frames to the appropriate transmit queues, and prioritize frames according to protocol type. The ...
Page 24 - GETTING HELP; anonymous
Getting Help 1-8 Introduction 1.2 GETTING HELP For additional support related to the 2H252-25R or this document, contact Enterasys Networks using one of the following methods: Before contacting Enterasys Networks for technical support, have the following information ready: • Your Enterasys Networks ...
Page 25 - SmartTrunk; The Enterasys Networks
Network Requirements 2-1 2 Network Requirements Before installing the 2H252-25R, review the requirements and specifications referred to in this chapter concerning the following: • SmartTrunk ( Section 2.1 ) • 10BASE-T Twisted Pair Network ( Section 2.2 ) • 100BASE-TX Twisted Pair Network ( Section 2...
Page 26 - Cabling Guide; impedance between 85 and 111 ohms.
100BASE-TX Network 2-2 Network Requirements 2.3 100BASE-TX NETWORK The fixed ports (ports 1 through 24) of the 2H252-25R provide an RJ45 connection that supports Category 5 UTP cabling. The device at the other end of the twisted pair segment must meet IEEE 802.3u 100BASE-TX Fast Ethernet network req...
Page 27 - Unpacking the Device (; UNPACKING THE DEVICE; Unpack the device as follows:; Only qualified personnel should install the 2H252-25R.
Installation 3-1 3 Installation This chapter provides the instructions required to install the 2H252-25R. A Phillips screwdriver is required to install options into the device or install the device into a rack. Follow the order of the sections listed below to correctly install the device. • Unpackin...
Page 28 - INSTALLING OPTIONS; Item; Install any optional equipment before proceeding to
Installing Options 3-2 Installation 3. Remove the tape seal on the non-conductive bag to remove the 2H252-25R. 4. Perform a visual inspection of the device for any signs of physical damage, and contact Enterasys Networks if there are any signs of damage. Refer to Section 1.2 for details. 3.2 INSTALL...
Page 29 - INSTALLING THE DEVICE; describes; Tabletop or Shelf Installation; for power; To prevent possible personal injury and/or damage to the unit,; NOT; connect power to the 2H252-25R until instructed to do so.
Installing the Device Installation 3-3 3.3 INSTALLING THE DEVICE The 2H252-25R may be installed on a tabletop, shelf, or in a 19-inch rack. Section 3.3.1 describes a tabletop or shelf installation and Section 3.3.2 describes the rackmount installation. 3.3.1 Tabletop or Shelf Installation The follow...
Page 30 - Rackmount Installation; Maintain a temperature of between 5
Installing the Device 3-4 Installation Figure 3-1 Tabletop or Shelf Installation 3.3.2 Rackmount Installation To install the 2H252-25R in a 19-inch rack, Enterasys Networks includes a strain-relief bracket for cable management and an accessory kit containing the rackmount brackets, and mounting scre...
Page 31 - Rack mounting the 2H252-25R involves the following:; Attaching the Strain-Relief Bracket; Attach the strain-relief bracket to the 2H252-25R as follows:; into a rack, ensure that the rack supports
Installing the Device Installation 3-5 Installation Rack mounting the 2H252-25R involves the following: • Attaching the strain-relief bracket • Rack mounting the 2H252-25R (attaching the mounting brackets and fastening the device to the rack) Attaching the Strain-Relief Bracket Attach the strain-rel...
Page 32 - Proceed as follows to install the 2H252-25R into a 19-inch rack:; screws shipped with the 2H252-25R. Use of longer screws may; Bracket
Installing the Device 3-6 Installation Figure 3-2 Attaching the Strain-Relief Bracket Rack Mounting the 2H252-25R Proceed as follows to install the 2H252-25R into a 19-inch rack: 1. There are several mounting holes in the rackmount brackets and the bottom of the chassis so that each mounting bracket...
Page 33 - Attaching the Rackmount Brackets; Rackmount Bracket; Screws
Installing the Device Installation 3-7 Figure 3-3 Attaching the Rackmount Brackets 3. With the mounting brackets attached, position the 2H252-25R between the vertical frame members of the 19-inch rack and fasten it securely with mounting screws as shown in Figure 3-4 . Figure 3-4 Installing the Devi...
Page 34 - Connecting Power; To connect the 2H252-25R to the power sources, proceed as follows:; Primary
Installing the Device 3-8 Installation 3.3.3 Connecting Power To connect the 2H252-25R to the power sources, proceed as follows: 1. Plug each power cord into a grounded wall outlet, see Figure 3-5 . To take advantage of the load sharing and redundancy capabilities, each power cord must be plugged in...
Page 35 - CONNECTING TO THE NETWORK; shows a twisted
Connecting to the Network Installation 3-9 3.4 CONNECTING TO THE NETWORK This section provides the procedures for connecting unshielded twisted pair (UTP) and fiber optic segments from the network or other devices to the 2H252-25R. 3.4.1 Connecting Twisted Pair Cables to Fixed Ports Ports 1 through ...
Page 36 - Connecting the Twisted Pair Segment; Verify that a link exists by checking that the port; RX; LED is off and the TX LED is not blinking amber, perform the; Refer to; Twisted Pair Cable
Connecting to the Network 3-10 Installation Figure 3-6 Connecting the Twisted Pair Segment 3. Verify that a link exists by checking that the port RX LED is on (flashing amber, blinking green, or solid green). If the RX LED is off and the TX LED is not blinking amber, perform the following steps unti...
Page 37 - Schematic of Straight-Through and Crossover Cables; Straight-Through Cable
Connecting to the Network Installation 3-11 Figure 3-7 Schematic of Straight-Through and Crossover Cables 4. Verify that a link exists by checking that the port RX LED is on (flashing amber, blinking green, or solid green). If the RX LED is off and the TX LED is not blinking amber, perform the follo...
Page 38 - COMPLETING THE INSTALLATION; for
Completing the Installation 3-12 Installation 3.5 COMPLETING THE INSTALLATION After installing the 2H252-25R and any optional HSIM or VHSIM, and making the connections to the network, proceed as follows: 1. Secure the cables by running the cables along the strain-relief bracket and tying them to the...
Page 39 - This chapter provides information concerning the following:; USING LANVIEW; ) allow quick observation of the network
Troubleshooting 4-1 4 Troubleshooting This chapter provides information concerning the following: • Using LANVIEW ( Section 4.1 ) • Troubleshooting Checklist ( Section 4.2 ) • Using the RESET Button ( Section 4.3 ) 4.1 USING LANVIEW The 2H252-25R uses Enterasys Networks’ built-in visual diagnostic a...
Page 40 - LANVIEW LEDs; default switch setting.
Using LANVIEW 4-2 Troubleshooting Figure 4-1 LANVIEW LEDs The LED MODE switch is located on the front panel of the 2H252-25R as shown in Figure 4-1 . This switch enables the user to change the function of the port LEDs. When the LED MODE switch is moved to the left, the LEDs indicate the receive (RX...
Page 43 - Flashing
Using LANVIEW Troubleshooting 4-5 TX(Transmit) Off Port enabled, and no activity. Should flash green every two seconds indicating BPDUs being sent if STA is enabled and there is a valid link. 1. Ensure that the STA is enabled and that there is a valid link. 2. Contact Enterasys Networks for assistan...
Page 44 - TROUBLESHOOTING CHECKLIST; Troubleshooting Checklist
Troubleshooting Checklist 4-6 Troubleshooting 4.2 TROUBLESHOOTING CHECKLIST If the 2H252-25R is not working properly, refer to Table 4-2 for a checklist of possible problems, causes, and recommended actions to resolve the problem. Table 4-2 Troubleshooting Checklist Problem Possible Cause Recommende...
Page 45 - Problem
Troubleshooting Checklist Troubleshooting 4-7 Cannot navigate beyond Password screen. Improper Community Names Table. 1. Refer to the SmartSwitch Series 2E253, 2H252, 2H253 and 2H258 Local Management User’s Guide for Community Names Table setup. 2. If you have forgotten the Community Names, refer to...
Page 47 - USING THE RESET BUTTON; The RESET button shown in; RESET Button
Using the RESET Button Troubleshooting 4-9 4.3 USING THE RESET BUTTON The RESET button shown in Figure 4-2 resets and re-initializes the 2H252-25R. Figure 4-2 RESET Button To reset the 2H252-25R processor, press and release the RESET button. The 2H252-25R goes through a reset process for approximate...
Page 49 - DEVICE SPECIFICATIONS
Specifications A-1 A Specifications This appendix provides operating specifications for the Enterasys Networks 2H252-25R. Enterasys Networks reserves the right to change these specifications at any time without notice. A.1 DEVICE SPECIFICATIONS A.2 PHYSICAL PROPERTIES Processors: Intel i960 RISC pro...
Page 50 - ELECTRICAL SPECIFICATIONS; Operating Temperature:
Electrical Specifications A-2 Specifications A.3 ELECTRICAL SPECIFICATIONS A.4 ENVIRONMENTAL REQUIREMENTS A.5 INPUT/OUTPUT PORTS Line Input Range, Volts (V) 100–125 Vac 200–240 Vac Input Current, Amperes (A) 2.3 A 1.2 A Frequency, Hertz (Hz) 50/60 Hz 50/60 Hz Input Power, Volt Amperes (VA) 250 VA 25...
Page 51 - COM PORT PINOUT ASSIGNMENTS; COM Port Pin Assignments; REGULATORY COMPLIANCE; Pin
COM Port Pinout Assignments Specifications A-3 A.6 COM PORT PINOUT ASSIGNMENTS The COM port is a serial communications port that supports Local Management or connection to a UPS. Table A-1 shows the COM port pin assignments. Table A-1 COM Port Pin Assignments A.7 REGULATORY COMPLIANCE This equipment...
Page 53 - Optional Installations and; REQUIRED TOOLS; ONLY QUALIFIED SERVICE PERSONNEL SHOULD
Optional Installations and Mode Switch Bank Settings B-1 B Optional Installations and Mode Switch Bank Settings The top cover must be removed to gain access to the mode bank switches, to install optional FLASH or DRAM Single In-line Memory Modules (SIMMs), or to install an optional High Speed Interf...
Page 54 - REMOVING THE CHASSIS COVER; This section describes how to remove the 2H252-25R chassis cover.
Removing the Chassis Cover B-2 Optional Installations and Mode Switch Bank Settings B.2 REMOVING THE CHASSIS COVER This section describes how to remove the 2H252-25R chassis cover. DO NOT REMOVE THE COVER FROM THE 2H252-25R WHILE POWER IS APPLIED TO THE UNIT. HAZARDOUS VOLTAGES ARE PRESENT AND COULD...
Page 55 - To remove the chassis cover, proceed as follows:; TURN OFF THE 2H252-25R BY UNPLUGGING THE
Removing the Chassis Cover Optional Installations and Mode Switch Bank Settings B-3 To remove the chassis cover, proceed as follows: 1. Disconnect the 2H252-25R from the network as follows: a. Unplug both power cords from the rear of the chassis. b. Disconnect all network cables attached to the 2H25...
Page 56 - Removing the Chassis Cover; Chassis
Removing the Chassis Cover B-4 Optional Installations and Mode Switch Bank Settings 3. Use a Phillips screwdriver to remove the four screws attaching the cover to the chassis. (See Figure B-1 .) Figure B-1 Removing the Chassis Cover 4. Remove the cover by sliding it back until it clears the front of...
Page 57 - SETTING THE MODE SWITCHES; These switches are set at the factory and rarely need to be changed.; Mode Switch Location
Setting the Mode Switches Optional Installations and Mode Switch Bank Settings B-5 B.3 SETTING THE MODE SWITCHES Figure B-2 shows the location of the mode switches and the switch settings for normal operation. These switches are set at the factory and rarely need to be changed. Switch definitions an...
Page 58 - Switch 6 – Forced BootP.
Setting the Mode Switches B-6 Optional Installations and Mode Switch Bank Settings • Switch 6 – Forced BootP. DO NOT attempt a Forced BootP unless a BootP server has been configured for the 2H252-25R. The BootP server references the location of a station acting as a Trivial File Transfer Protocol (T...
Page 59 - SIMM UPGRADE; shows the two locations of the DRAM SIMM connector.; SIMM Slot Locations
SIMM Upgrade Optional Installations and Mode Switch Bank Settings B-7 B.4 SIMM UPGRADE Memory upgrade is available for the 2H252-25R to expand its DRAM to 32 MB. This section explains how to locate and add/replace a Single In-line Memory Module (SIMM). For information on the available SIMM upgrades,...
Page 60 - Installing the DRAM SIMM; To install a DRAM SIMM, refer to; Installing the DRAM
SIMM Upgrade B-8 Optional Installations and Mode Switch Bank Settings B.4.2 Installing the DRAM SIMM To install a DRAM SIMM, refer to Figure B-4 and proceed as follows: 1. With the SIMM alignment notch oriented as shown in Figure B-4 , insert the SIMM down between the connector teeth. 2. Pivot the S...
Page 61 - INSTALLING OPTIONAL HSIM OR VHSIM INTERFACE MODULES; HSIM and VHSIM Connector Locations; associated user’s guide.; Optional
Installing Optional HSIM or VHSIM Interface Modules Optional Installations and Mode Switch Bank Settings B-9 B.5 INSTALLING OPTIONAL HSIM OR VHSIM INTERFACE MODULES Figure B-5 shows the location of the two connectors for an optional High HSIM or VHSIM. Depending on the HSIM or VHSIM installed, one o...
Page 63 - Index; Numerics; xiii
Index-1 Index Numerics 100BASE-T requirements 2-2 10BASE-T requirements 2-1 2H252-25R description of 1-1 front panel 1-1 802.1p Port Priority introduction to 1-6 B Broadcast Suppression introduction to 1-4 C Cable specifications 100BASE-TX network 2-2 10BASE-T network 2-1 Chassis cover, removal of B...
Page 64 - xii
Index-2 M Management use of 1-6 Memory upgrading B-7 Mode Switch setting B-5 N Network connection of twisted pair cables 3-9 Network connections 3-9 P Physical properties A-1 Port redirect function introduction to 1-4 Power connection 3-8 R Redirect functions port and VLAN introduction to 1-4 Regula...
