IBM 8275-416 Guida di riferimento

8275-416 Quick Reference Card

8275-416 Identiﬁcation

Building/Room/Rack _________________________________

Unit/Serial Number _________________________________

MAC Address _________________________________

IP Address _________________________________

Contact Identiﬁcation

Network Administrator _________________________________

Telephone _________________________________

Service Contact _________________________________

Telephone _________________________________

IBM Support Information - WWW

Download latest code, ﬁxes, and technical tips for

your IBM products. You can also register to receive

e-mail notiﬁcations about your products.

http://www.ibm.com/networking/support/8275

You can obtain copies of user documentation from:

http://www.ibm.com/networking/support/docs.nsf/8275docs

Printed in Singapore

P/N 31L4622

Troubleshooting

1. Determine if the fans are running; if not, test the

ac power outlet.

2. Remove and reattach all cables. Check all cables,

connectors, and ports for damage.

3. Verify that conﬁguration settings are correct.

4. Verify that the power-on self test (POST) runs

correctly.

Preparing to Call the IBM Product Help

Center

Gather the following information:

vProduct model and serial number

vProof of purchase

vStatus of LEDs

vDescription of problem

vHardware and software conﬁguration

If possible be near your 8275-416. The technical

support representative might want to walk you

through a procedure during the call.

Placing a Call to the IBM Product Help

Center

vIn the U.S.A, call the IBM PC HelpCenter at

1-800-772-2227.

vIn Canada, call HelpPC at 1-800-426-7378

(1-800-IBM-SERV).

vOutside the U.S.A. and Canada, contact your

place of purchase or your local IBM branch office.

LED Status for the Switch

LEDs Explanation

I (Green) OK (Green) Fault

(Yellow)

Off Off Off No power is present, or

there is a power supply

failure. The switch is

NOT operational.

On On Off The switch is

operational.

On Blinking Off Conﬁguration ﬁle or

Operational Code ﬁle

transfer is in process.

DO NOT power-off or

reset the switch.

On Off On There is a hardware

fault. The switch is

NOT operational.

On Off Blinking Diagnostics are in

process. The switch is

NOT yet operational.

Single-Digit Display

Digit Problem Corrective Action

d Board RAM problem Replace the switch.

3 Detected an

unsupported feature

module.

Remove the feature module.

4 PIF fault on the feature

module or base board. If feature module LED is On,

remove the feature module.

If no feature module LED is

On, replace the switch.

5 or 6 Non-volatile memory

problem. Replace the switch.

7 8275-416 memory

problem. Replace the switch.

8 Base board loop back

problem. Replace the switch.

9 or a Feature module loop

back problem. v9 = Feature module in Slot

1 has the fault; remove the

feature module.

va = Feature module in Slot

2 has the fault; remove the

feature module.

8275-416 Quick Reference Card 3

LED Status for the Base

10/100BASE-TX Ports

LED Color State Explanation

Right

Ethernet

Port LED

Green ON Indicates a 100-Mbps port.

OFF Indicates a 10-Mbps port.

Left

Ethernet

Port LED

Green ON The link is up.

OFF The link is down.

Blinking Transmitting (Tx) and

Receiving (Rx) traffic.

LED Status for 8-Port 10/100BASE-TX

Feature Module

LED Color State Explanation

OK Green ON There is power to feature

module.

OFF There is no power to

feature module, no power

to the switch, or the

module has failed.

Fault Yellow ON There is a module fault.

OFF There is no module fault.

Right

Ethernet

Port LED

Green ON Indicates a 100-Mbps port.

OFF Indicates a 10-Mbps port.

Left

Ethernet

Port LED

Green ON The link is up.

OFF The link is down.

Blinking Transmitting (Tx) and

Receiving (Rx) traffic.

LED Status for 4-Port and 8-Port

100BASE-FX Feature Module

LED Color State Explanation

OK Green ON There is power to the

feature module.

OFF There is no power to the

feature module, no

power to the switch or

the module has failed.

Fault Yellow ON There is a module fault.

OFF There is no hardware

fault.

Port LED Green ON Link is up.

OFF Link is down.

Blinking Transmitting (Tx) and

receiving (Rx) traffic.

LED Status for 2-Port 1000BASE-SX

Feature Module

LED Color State Explanation

OK Green ON There is power to the

feature module.

OFF There is no power to the

feature module, no

power to the switch or

the module has failed.

Fault Yellow ON There is a module fault.

OFF There is no hardware

fault.

Port LEDs Green ON Link is up.

OFF Link is down.

Blinking Transmitting (Tx) and

receiving (Rx) traffic.

Fault Yellow ON Link is down.

OFF Link is up.

8275-416 Quick Reference Card 5

Using the Terminal Interface

To conﬁgure the switch, connect a null-modem

cable to the COM port of your PC and to the EIA

232 port of the switch. Use a VT-100 terminal

emulation program to conﬁgure your PC COM port

as follows:

v19200 baud

v8 data bits

v1 stop bit

vNo parity

vHardware ﬂow control: Off

vVT-100 emulation

vThe ASCII terminal’s communications port

number that connects the switch

On the Logon panel, enter the user name and

password.

Note: The default Read/Write User Name is: admin

The default password is blank (no password).

On the Main Menu:

vTab and Arrow keys—navigate through the menu

vEnter—selects menu item

vF1 or Help—displays keyboard commands

vF2–toggles between menu text and Command

Bar.

vF3 or PREV MENU—returns to the previous

display

vF4–saves changes.

Conﬁguring IP Information

1. Ensure a PC is setup and connected to the

switch as described in ″Using the Terminal

Interface″.

2. Log in to the terminal interface. The user name

must have read/write status. The default user

name is: admin and the password is blank (no

password).

3. From the Main Menu, select the Management

Menu, and then select the Network

Connectivity Conﬁguration Menu.

4. Enter values for the following IP parameters

(provided by your network administrator):

vIP Address.............[ ]

vDefault Gateway.....[ ]

vSubnet Mask..........[ ]

5. Select APPLY. Return to the Main Menu and

select LOGOUT.

6. Power off the switch by disconnecting the

switch power cord at the power source, waiting

about 15 seconds, and reconnecting the power

cord to the power source.

The switch is conﬁgured with its IP information

and can be accessed remotely in your network.

7. Power off the PC and disconnect the null

modem cable from the switch.

Conﬁguring Using Your Web Browser

You can use the Internet to conﬁgure the 8275-416

by:

1. Entering the IP address of the 8275-416 in the

address ﬁeld of your Web browser and pressing

Enter.

2. Logging in using your user name and password,

and pressing Enter.

Note: The default Read/Write User Name is:

admin. The default password is blanks

(no password).

3. Clicking on items in the Navigation Tree causes

the corresponding menu screen to appear.

See the IBM 8275 Model 416 High Performance

Ethernet Workgroup Switch User’s Guide for an

explanation of the information displayed.

8275-416 Quick Reference Card 7

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