3Com 2900 manual

Page 8

 

 

 

 

 

 

 

 

 

Description

 

 

 

 

 

 

 

 

3Com

 

3Com

 

3Com

3Com

 

3Com

 

 

Item

 

Baseline

 

Baseline

 

Baseline

Baseline

 

Baseline

 

 

 

 

 

Switch

 

Switch

 

Switch

Switch

 

Switch

 

 

 

 

 

2920-SFP

 

2928-SFP

 

2952-SFP

2928-PWR

 

2928-HPWR

 

 

 

 

 

Plus

 

Plus

 

Plus

Plus

 

Plus

 

 

 

AC

 

Rated voltage range: 100 VAC to 240 VAC, 50 Hz or 60 Hz

 

 

 

 

 

 

Maximum voltage range: 90 VAC to 264 VAC, 47 Hz or 63 Hz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Inp

 

 

 

 

 

 

 

 

 

Use the

 

 

 

 

 

 

 

 

 

 

 

external RPS

 

 

ut

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

unit provided

 

 

volt

RP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

by 3Com only,

 

 

ag

 

 

 

 

 

 

 

 

 

 

S

 

 

 

 

 

 

 

with the rated

 

 

e

 

 

 

 

 

 

 

 

 

DC

 

 

 

 

 

 

 

 

voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ranging from

 

 

 

 

 

 

 

 

 

 

 

 

–52 VDC to

 

 

 

 

 

 

 

 

 

 

 

 

–55 VDC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Supported

 

 

 

 

 

 

 

RPS1000-A3

 

 

RPS unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power

 

 

 

 

 

 

 

 

AC: 45.6W

 

 

consumpti

 

11.9W

 

13.4W

 

25.7W

25.0W

 

 

 

 

 

 

 

DC: 27.5W

 

 

on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AC power

 

 

 

 

 

 

 

 

 

 

 

 

input: 523 W

 

 

 

 

 

 

 

 

 

 

 

 

(158 W for

 

 

 

 

 

 

 

 

 

 

 

 

system power

 

 

 

 

 

 

 

 

 

 

255 W (85 W

 

consumption

 

 

Power

 

 

 

 

 

 

 

and 365 W for

 

 

 

 

 

 

 

 

for system

 

 

 

 

 

 

 

 

 

 

PoE power

 

 

consumpti

 

 

 

 

 

 

power

 

 

 

 

 

 

 

 

 

 

consumption)

 

 

on (full

 

22.4 W

 

31.5 W

 

55.4 W

consumption

 

 

 

 

 

 

 

DC power

 

 

configurati

 

 

 

 

 

 

and 170 W for

 

 

 

 

 

 

 

 

 

 

input: 832 W

 

 

on)

 

 

 

 

 

 

 

PoE power

 

 

 

 

 

 

 

 

 

 

 

(92 W for

 

 

 

 

 

 

 

 

 

 

consumption)

 

 

 

 

 

 

 

 

 

 

 

 

system power

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

consumption

 

 

 

 

 

 

 

 

 

 

 

 

and 740 W for

 

 

 

 

 

 

 

 

 

 

 

 

PoE power

 

 

 

 

 

 

 

 

 

 

 

 

consumption)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Operating

 

 

 

 

 

 

 

 

 

 

 

temperatu

 

0°C to 45°C (32°F to 113°F)

 

 

 

 

 

 

 

re

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Operating

 

 

 

 

 

 

 

 

 

 

 

humidity

 

10% to 90%

 

 

 

 

 

 

 

 

 

(nonconde

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

nsing)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1-2

Image 8 Contents
3Com Baseline Switch 2900 Family Environmental Statement Conventions About This ManualOrganization Manual Description Related DocumentationObtaining Documentation Table of Contents Page Product Overview IntroductionPage 3Com Baseline Switch 2920-SFP Plus Power Supply SystemFront Panel Rear Panel3Com Baseline Switch 2928-SFP Plus 3Com Baseline Switch 2952-SFP Plus 3Com Baseline Switch 2928-PWR Plus 3Com Baseline Switch 2928-HPWR Plus Specification PortsConsole Port 10/100/1000Base-T Ethernet PortTransceiver Central Connector Type 1000Base-X SFP InterfaceFiber Max Transmis Sion DistanceRPS Status LED Power LEDLEDs 10/100/1000Base-T Auto-Sensing Ethernet Port Status LED Port Mode LEDPort Ethernet port status Switch model Mode Meaning LED 1000Base-X SFP Interface Status LED Installation Preparations Safety PrecautionsInstallation Site Temperature/HumidityLaser Safety Electromagnetic SusceptibilityDust concentration limit in the equipment room Gas Maximum concentration mg/mInstallation Tools Model Mounting bracket Description Installing a SwitchIntroduction to Mounting Brackets Attaching the Mounting Brackets to a Switch Model Mounting position Description See -6 , FigureMounting the Switch to a Rack Page When a Grounding Strip is Available Mounting the Switch on a WorkbenchConnecting the Pgnd Cable Page When the switch is AC-powered Where a Grounding Conductor Can be BuriedOther Installation Sites Connecting the Power Cord Connecting an AC Power CordVerifying the Installation Connecting an RPS DC Power CordPage Initial Power-On Setting Up the Configuration EnvironmentConnecting the Console Cable RJ-45 Signal Direction DB-9Setting Terminal Parameters Connection Procedure4Set the serial port used by the HyperTerminal connection 6HyperTerminal window Powering On the Switch Booting the SwitchChecking Before Power-On Describes the fields above 2Description on the fields Changing the Boot Mode Enter 9. The system prompts you to change the startup modeEnter Y. The system displays the following information User interface aux0 is available Press Enter to get started Loading Software Approaches for Loading Application and Configuration FilesLoading Files Through the Boot ROM Menu Introduction to the Boot ROM Menu Introduction to Xmodem Loading Files Using Xmodem Through Console PortLoading a Boot ROM file Task Remarks Change the rate of the serial port on the terminalDescription Page 2Properties dialog box 5Transfer menu Restoring the download rate to the default Page Loading Files Using Tftp Through Ethernet Port Introductin to TftpLoad File Name Loading an application file Loading Files Using FTP Through Ethernet Port Introduction to FTPParameters are described in Table 5Description of the FTP parameters Loading an application file Maintenance and Troubleshooting Password LossUser Password Loss Boot ROM Password LossPower Supply Failure With AC power inputWith RPS power input With both AC and RPS power suppliesTroubleshooting when the terminal display is illegible Configuration Terminal FailureTroubleshooting when there is no terminal display