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Cabletron Systems SEHI100TX manual Operating Specifications, Power Supply Requirements

Models: SEHI100TX

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Chapter 3: Installation Requirements and Speciﬁcations

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COM

1. Transmit Data		5.	Signal Ground
2.	Data Carrier Detect	6.	Data Terminal Ready
3.	Data Set Ready	7.	Request To Send
4.	Receive Data	8.	Clear To Send
			1511_15
	Figure 3-3 COM Port Pinouts

3.5OPERATING SPECIFICATIONS

The operating speciﬁcations for the SEHI100TX-22 are described in this section. Cabletron Systems reserves the right to change these speciﬁcations at any time without notice.

3.5.1Power Supply Requirements

The SEHI uses a universal power supply. The input requirements are listed in Table 3-2.

Table 3-2 Power Supply Requirements

	Line Input Range	Current	Frequency
	Volts (V)	Amperes (A)	Hertz (Hz)


	100–125 Vac	4.0 A	50/60 Hz

	200–250 Vac	2.0 A
	200–250 Vac	2.0 A

3.5.2Environmental Requirements

This section details the environmental requirements of the SEHI.

Operating Temperature:	5°C to 40°C (41°F to104°F)
Storage Temperature:	-30°C to 90°C (-22°F to194°F)
Operating Humidity:	5% to 95% (non-condensing)

3-6	SEHI100TX User’s Guide

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Cabletron Systems SEHI100TX manual Operating Specifications, Power Supply Requirements, Environmental Requirements

Contents

Intelligent Stackable HUB USER’S Guide SEHI100TX User’s Guide FCC Notice Cabletron SYSTEMS, INC. Program License Agreement United States Government Restricted Rights Contents Contents SEHI100TX User’s Guide Vii Chapter Introduction Using this Manual Following conventions are used throughout this document Document Conventions Related Manuals Getting Help Sehi Overview Chapter Sehi Features and Options Sehi Features and Options Sehi Features Stackable Capabilities Rack Mounting Capabilities Remote Network ManagementOptional 100BASE-TX and 100BASE-FX EPIMs Chapter Installation Requirements Specifications Cable SpecificationsHubSTACK Interconnect Cable Requirements UTP Cable Speciﬁcations Multimode Speciﬁcations for the EPIM-100FX Network Cable Lengths COM Port Requirements Network Port Specifications Operating Specifications Power Supply RequirementsEnvironmental Requirements Agency Approvals Physical Specifications Unpacking the Sehi Chapter Installation Nvram Switch Location PRE-INSTALLATION Checkout SEHI100TX-22 Tabletop or Shelf Installation Screws Strain-Relief Bracket Rackmount Installation Rackmount Installation Installing the Sehi in the Rack Powering UP and Stacking the Sehi Repeat steps 3 through 6 until all SEH hubs are connected Install an EPIM-100TX or an EPIM-100FX as follows Installing the EPIM-100TX or the EPIM-100FX Chapter Connecting to the Network Connecting the Sehi to the NetworkConnecting to Network Ports Sehi Network Ports Connecting a UTP Segment to an EPIM-100TX Position X crossed over RX+ TX+ Position = Not crossed over EPIM-100FX Port Connecting a Fiber Segment to the EPIM-100FX Testing the Installation Installation Test Chapter Troubleshooting Using Lanview Using Lanview Epim 1 RCV LED Using the Reset Button Setting the Nvram Switch Chapter Local Management Keyboard Conventions Function Local Management Keyboard Conventions Management Terminal Setup Console Cable Conﬁguration Management Terminal Setup Parameters Sehi Local Management Accessing Local Management Feature Selection Screen Feature Selection Screen Community Name Table Screen Community Name Table Screen Editing the Community Name Field Configuration Configuration Screen Displays the IP address of the Sehi Setting the Subnet Mask Setting the IP Address Using the Port Enable Override Setting the Default Gateway Trap Table Screen Exiting the Conﬁguration Screen Exiting the Trap Table Screen 1 Conﬁguring the Trap Table Snmp Tools Screen Snmp Tools Screen Lets you retrieve MIB objects using Snmp protocol Setting an OID Getting Individual OIDsGetting the Next OID Walking Through OIDs Viewing Multiple OIDs Stepping Through OIDs Cycling Through OIDsExiting the Snmp Tools Screen Device Statistics Screen Device Statistics Screen Displays the number of errors due to misaligned packets Module Number Sequence Selecting the Appropriate Module/Port Using the Enable Port Command Using the Disable Port CommandExiting the Device Statistics Screen Appendix a Epim Specifications Epim SpecificationsEPIM-100TX EPIM-100FX Appendix B Image File Download Using Oids Setting UP a Unix Workstation AS a Tftp Server Standard Local Download Table B-1 OIDs and Settings Numerics Index Index-2 Power Supply Cord