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- Page 1 2H252-25R SmartSwitch 2200 Installation User’s Guide 9034005-03...
- Page 3 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.
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Page 4: Fcc 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 interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. -
Page 5: 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 with respect to the Enterasys software program (“Program”) in the package. - Page 6 UNITED STATES GOVERNMENT RESTRICTED RIGHTS. The enclosed Product (i) was developed solely at private expense; (ii) contains “restricted computer software” submitted with restricted rights in accordance with section 52.227-19 (a) through (d) of the Commercial Computer Software-Restricted Rights Clause and its successors, and (iii) in all respects is proprietary data belonging to Enterasys and/or its suppliers.
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Page 7: Declaration Of Conformity
Manufacturer’s Address: European Representative Address: Conformance to Directive(s)/Product Standards: Equipment Type/Environment: Networking Equipment, for use in a Commercial Enterasys Networks, Inc. declares that the equipment packaged with this notice conforms to the above directives. 73/23/EEC 35 Industrial Way PO Box 5005 Rochester, NH 03866-5005 Enterasys Networks Ltd. -
Page 9: Table Of Contents
Remote Monitoring (RMON) ... 1-4 Broadcast Suppression... 1-4 Port/VLAN Redirect Functions ... 1-4 Rate Limiting ... 1-4 Flow Control... 1-5 GARP Switch Operation ... 1-5 802.1 Port Priority ... 1-6 Management ... 1-6 Switching Options ... 1-6 Optional HSIMs and VHSIMs... 1-6 Standards Compatibility ... - Page 10 Physical Properties ...A-1 Electrical Specifications ...A-2 Environmental Requirements...A-2 Input/Output Ports ...A-2 COM Port Pinout Assignments ...A-3 Regulatory Compliance...A-3 OPTIONAL INSTALLATIONS AND MODE SWITCH BANK SETTINGS Required Tools...B-1 Removing the Chassis Cover...B-2 Setting the Mode Switches...B-5 SIMM Upgrade ...B-7 B.4.1 B.4.2 Installing Optional HSIM or VHSIM Interface Modules ...B-9...
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Page 11: Figures
Figure The 2H252-25R SmartSwitch 2200... 1-1 Tabletop or Shelf Installation ... 3-4 Attaching the Strain-Relief Bracket ... 3-6 Attaching the Rackmount Brackets ... 3-7 Installing the Device in a Rack ... 3-7 2H252-25R Rear View ... 3-8 Connecting the Twisted Pair Segment ... 3-10 Schematic of Straight-Through and Crossover Cables ... - Page 12 Tables Table Contents of 2H252-25R Carton ...3-2 LANVIEW LEDs ...4-3 Troubleshooting Checklist...4-6 COM Port Pin Assignments ... A-3 Tables Page...
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Page 13: About This Guide
Depending on the firmware version used in the 2H252-25R, some features described in this document may not be supported. Refer to the Release Notes shipped with the 2H252-25R to determine which features are supported. USING THIS GUIDE Read through this guide to completely understand the 2H252-25R capabilities and for the instructions on how to install and troubleshoot the device. -
Page 14: Related Documents
Interface Module (HSIM) or Very High Speed Interface Module (VHSIM) when one is installed. RELATED DOCUMENTS The following Enterasys Networks documents may help to set up and manage the 2H252-25R: • SmartSwitch Series 2E253, 2H252, 2H253, and 2H258 Local Management User’s Guide •... -
Page 15: Document Conventions
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 essential to avoid damage to the equipment. ELECTRICAL HAZARD: Warns against an action that could result in personal injury or death due to an electrical hazard. -
Page 17: Introduction
This chapter introduces the 2H252-25R SmartSwitch 2200 device and provides information about how to obtain additional support from Enterasys Networks. Depending on the firmware version used in the 2H252-25R, some features described in this document may not be supported. Refer to the Release Notes shipped with the 2H258-17R to determine which features are supported. -
Page 18: Connectivity
VLAN according to priority and Ether type. Detailed information about VLANs is provided in the SmartSwitch Series 2E253, 2H252, 2H253 and 2H258 Local Management User’s Guide. The 2H252-25R may be used as a tabletop unit or can be installed in a standard 19-inch rack using the supplied rack mounting hardware. -
Page 19: Full Duplex Switched Ethernet
1.1.3 Full Duplex Switched Ethernet Each switched Fast Ethernet port on the 2H252-25R supports 100 Mbps operation, and can operate in Full Duplex Switched Ethernet (FDSE) mode. FDSE enables each port to provide up to 200 Mbps of bandwidth to connected devices that support FDSE. -
Page 20: Remote Monitoring (Rmon)
Overview 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 an “Action”... -
Page 21: Flow Control
GARP attributes such as VLAN and multicast group membership. For more details on how GVRP and GMRP handle frames under GARP, and how to configure the switch ports to take advantage of this operation, refer to SmartSwitch Series 2E253, 2H252, 2H253 and 2H258 Local Management User’s Guide. -
Page 22: 802.1 Port Priority
The 2H252-25R provides 802.1Q switching or SecureFast Switching Virtual Network Services between all of the front panel interfaces including the optional HSIM or VHSIM interface. In the 802.1Q mode (the default mode of operation), the 2H252-25R functions as an 802.1D switch until VLANs are configured. -
Page 23: Standards Compatibility
For information on how to extract and compile individual MIBs, contact Enterasys Networks. 1.1.16 Year 2000 Compliant The 2H252-25R has an internal clock that can maintain the current time and date beyond the year 1999. 1.1.17 LANVIEW Diagnostic LEDs LANVIEW diagnostic LEDs serve as an important troubleshooting aid by providing an easy way to observe the status of individual ports and overall network operations. -
Page 24: Getting Help
Getting Help GETTING HELP For additional support related to the 2H252-25R or this document, contact Enterasys Networks using one of the following methods: World Wide Web http://www.enterasys.com/ Phone (603) 332-9400 Internet mail support@enterasys.com ftp://ftp.enterasys.com Login anonymous Password your email address To send comments or suggestions concerning this document, contact the Technical Writing Department via the following email address: TechWriting@enterasys.com... -
Page 25: Network Requirements 2.1 Smarttrunk
SmartTrunk To connect the 2H252-25R to a network so it can take advantage of the SmartTrunk feature, there are certain rules concerning port connections and configurations that must be followed for proper operation. Refer to the Enterasys Networks SmartTrunk User’s Guide for additional information. -
Page 26: 100Base-Tx Network
100BASE-TX Network 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 requirements for the devices to operate at 100 Mbps. -
Page 27: 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. -
Page 28: Installing Options
Enterasys Networks if there are any signs of damage. Refer to INSTALLING OPTIONS NOTE: Install any optional equipment before proceeding to If the 2H252-25R is to be installed with an optional HSIM or VHSIM, refer to the user’s guide of that device for the installation instructions. Installation Quantity Section 1.2... -
Page 29: Installing The Device
Maintain a 2-inch clearance from the left, right, and rear sides of the device to provide adequate ventilation. Installation For a tabletop or shelf installation, locate the 2H252-25R within seven feet of its power source and on an unrestricted free surface area as shown in connection instructions. -
Page 30: Tabletop Or Shelf 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 screws to attach the rackmount brackets and strain-relief bracket. -
Page 31: Attaching The Strain-Relief Bracket
CAUTION: To ensure proper ventilation and prevent overheating, leave a minimum clearance space of 5.1 cm (2.0 in) at the left, right, and rear of the 2H252-25R. WARNING: Before installing the 2H252-25R into a rack, ensure that the rack supports the device(s) without compromising the stability of the rack. - Page 32 2. Locate the four 6-32 x 1/4-inch flathead screws in the rackmount kit. Use these screws to attach the rackmount brackets to the bottom of the 2H252-25R as shown in Installation screws shipped with the 2H252-25R. Use of longer screws may Figure 3-3.
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Page 33: Attaching The Rackmount Brackets
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 Device in a Rack... -
Page 34: Connecting Power
The Power (PWR) LED turns ON (green) and the CPU LED alternates between green and amber during boot up. It takes approximately one minute for the 2H252-25R to boot up. NOTE: If the power-up sequence is interrupted on this device, or if optional hardware has been installed or removed, this device may run an extended diagnostics sequence that may take up to five minutes to complete. -
Page 35: Connecting To The Network
1. Ensure that the device connected to the other end of the segment is powered ON. 2. Connect the twisted pair segment to the 2H252-25R by inserting the RJ45 connector on the twisted pair segment into the appropriate RJ45 port on the device. -
Page 36: Connecting The Twisted Pair Segment
Verify that the 100BASE-TX device at the other end of the twisted pair segment is powered d. Verify that the RJ45 connector on the twisted pair segment has the proper pinouts. Depending on what device is connected to the 2H252-25R, a straight-through or crossover cable may be used. -
Page 37: Schematic Of Straight-Through And Crossover Cables
Make sure that the twisted pair connection meets the db loss and cable specifications outlined Section 2.3. e. If a link is not established, contact Enterasys Networks. Refer to 5. Repeat steps 1 through 4 for each connection until all connections have been verified. Connecting to the Network Section 1.2... -
Page 38: Completing The Installation
Completing the Installation 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 strain-relief bracket using cable ties. -
Page 39: Troubleshooting Checklist
Using LANVIEW (Section • Troubleshooting Checklist • Using the RESET Button USING LANVIEW The 2H252-25R uses Enterasys Networks’ built-in visual diagnostic and status monitoring system called LANVIEW. The LANVIEW LEDs status to aid in diagnosing network problems. 4.1) (Section 4.2) (Section 4.3) -
Page 40: Lanview Leds
Using LANVIEW Figure 4-1 LANVIEW LEDs The LED MODE switch is located on the front panel of the 2H252-25R as shown in 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) and transmit (TX) status of the respective fixed ports (ports 1 through 24). - Page 41 Recommended Action 1. Ensure that the power cords are plugged in correctly and that there is power at the power source. 2. Contact Enterasys Networks for assistance. None. 1. Ensure that the power cords are plugged in correctly and that there is power at the power source.
- Page 42 Using LANVIEW Table 4-1 LANVIEW LEDs (Continued) Color Amber Green Amber Green The following port RX and TX LED indications are only valid when the LED MODE switch is in the RX-TX position. (Receive) Green Amber Troubleshooting State Power off.
- Page 43 Table 4-1 LANVIEW LEDs (Continued) Color (Transmit) Green Amber The following port DPX and SPD LED indications are only valid when the LED MODE switch is in the DPX-SPD position. Amber (Full Duplex Status) Green SPD (Speed Amber Status) Green...
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Page 44: Troubleshooting Checklist
Troubleshooting Checklist TROUBLESHOOTING CHECKLIST If the 2H252-25R is not working properly, refer to causes, and recommended actions to resolve the problem. Table 4-2 Troubleshooting Checklist Problem All LEDs are OFF. No Local Management Password screen. Troubleshooting Table 4-2 Possible Cause Loss of power. - Page 45 2H253 and 2H258 Local Management User’s Guide for the instructions to enable/disable ports. 1. Verify that all network connections between the network management station and the 2H252-25R are valid and operating. 2. If the problem continues, contact Enterasys Networks for assistance. Troubleshooting...
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Page 46: Reset Button
Port(s) goes into standby for no apparent reason. User parameters (IP address, Device and Module name, etc.) were lost when the 2H252-25R power was cycled or the front panel RESET button was pressed. Troubleshooting Possible Cause Loop condition detected. 1. Position of Mode switch... -
Page 47: Using The Reset Button
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 approximately 60 seconds. Additional downtime may result as the device reenters the network. -
Page 49: A.1 Device 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. DEVICE SPECIFICATIONS Processors: Dynamic Random Access Memory (DRAM): FLASH Memory: Shared Memory: PHYSICAL PROPERTIES Dimensions: Approximate Weight (Unit):... -
Page 50: A.4 Environmental Requirements
Electrical Specifications ELECTRICAL SPECIFICATIONS Line Input Range, Volts (V) Input Current, Amperes (A) Frequency, Hertz (Hz) Input Power, Volt Amperes (VA) ENVIRONMENTAL REQUIREMENTS Operating Temperature: Storage Temperature: Operating Relative Humidity: INPUT/OUTPUT PORTS Ports 1 through 24: Interface Slot: Specifications 100–125 Vac 2.3 A 50/60 Hz 250 VA... -
Page 51: A.7 Regulatory Compliance
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 Signal Name Transmit Data (XMT) Data Carrier Detect (DCD) Data Set Ready (DSR) Receive Data (RCV) -
Page 53: B.1 Required Tools
Use the following tools to perform the procedures provided in this appendix: • Antistatic wrist strap • Phillips screwdriver Optional Installations and Mode Switch Bank Settings B.1) (Section B.2) (Section B.4) (Section B.5) Optional Installations and Mode Switch Bank Settings (Section B.3) -
Page 54: B.2 Removing The Chassis Cover
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 CAUSE PERSONAL INJURY AND/OR DAMAGE THE UNIT. - Page 55 This is recommended for ease of reinstallation. b. Disconnect all network cables attached to the 2H252-25R. 2. If the 2H252-25R is rack mounted, remove it from the rack and remove the rackmount brackets (refer to Chapter 3, Installation).
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Page 56: B-1 Removing The Chassis Cover
4. Remove the cover by sliding it back until it clears the front of the chassis and then lifting it straight up and off the chassis. To reinstall the chassis cover, perform the removal procedures in reverse. Optional Installations and Mode Switch Bank Settings... -
Page 57: B-2 Mode Switch Location
These switches are set at the factory and rarely need to be changed. Switch definitions and positions are as follows: • Switches 1 through 4 – For Enterasys Networks use only. • Switch 5 – COM Port Autobaud. The default (OFF) position enables Autobaud sensing on the COM port for Local Management sessions. - Page 58 (TFTP) server containing the 2H252-25R image file. When the position of Switch 6 is changed and the power is cycled to the 2H252-25R, the device requests the image file location from the BootP server and uses TFTP to download the image from the TFTP server.
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Page 59: B-3 Simm Slot Locations
SIMM Upgrade 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, call Enterasys Networks for technical support. For details on... -
Page 60: Installing The Dram Simm
2. Pivot the SIMM downward so the connector clips align with the two side notches of the SIMM and the connector clips lock the SIMM into place. Figure B-4 Installing the DRAM Optional Installations and Mode Switch Bank Settings Figure B-4 and proceed as follows:... -
Page 61: B-5 Hsim And Vhsim Connector Locations
Depending on the HSIM or VHSIM installed, one or both connectors are used. NOTE: The installation instructions for the optional HSIM or VHSIM are in the associated user’s guide. Figure B-5 HSIM and VHSIM Connector Locations Installing Optional HSIM or VHSIM Interface Modules Optional Installations and Mode Switch Bank Settings... -
Page 63: Index
Numerics 100BASE-T requirements 10BASE-T requirements 2H252-25R description of front panel 802.1p Port Priority introduction to Broadcast Suppression introduction to Cable specifications 100BASE-TX network 10BASE-T network Chassis cover, removal of COM port pin assignments Connecting to the network Connectivity introduction to... - Page 64 Management use of Memory upgrading Mode Switch setting Network connection of twisted pair cables Network connections Physical properties Port redirect function introduction to Power connection Redirect functions port and VLAN introduction to Regulatory Compliance Related manuals Remote Monitoring (RMON) introduction to...
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