background image

Telephone Technical Support and Repair

To obtain telephone support as part of your warranty and
other service benefits, you must first register your product at:

http://eSupport.3com.com/

When you contact 3Com for assistance, please have the fol-
lowing information ready:

• Product model name, part number, and serial number
• A list of system hardware and software, including revision

level

• Diagnostic error messages
• Details about recent configuration changes, if applicable
To send a product directly to 3Com for repair, you must first
obtain a return materials authorization number (RMA).
Products sent to 3Com without authorization numbers clearly
marked on the outside of the package will be returned to the
sender unopened, at the sender’s expense. If your product is
registered and under warranty, you can obtain an RMA num-
ber online at 

http://eSupport.3com.com/.

First-time users

must apply for a user name and password.

Telephone numbers are correct at the time of publication.
Find a current directory of 3Com resources by region at:

http://csoweb4.3com.com/contactus/

29

Experienced engineers are available to manage your installa-
tion with minimal disruption to your network. Expert assess-
ment and implementation services are offered to fill resource
gaps and ensure the success of your networking projects. For
more information on 3Com Extended Warranty and
Professional Services, see: 

http://www.3com.com/

Contact your authorized 3Com reseller or 3Com for addition-
al product and support information. See the table of access
numbers later in this appendix.

Contact Us

3Com offers telephone, internet, and e-mail access to techni-
cal support and repair services. To access these services for
your region, use the appropriate telephone number, URL, or
e-mail address from the table in the next section. 

28

3C16790C_ 3C16791C_booklet  3/6/08  09:51  Page 28

Содержание OfficeConnect 3C16790C

Страница 1: ...adquarters 350 Campus Drive Marlborough MA 01752 3064 www 3Com com 10016680 Rev CA June 2008 OfficeConnect Fast Ethernet Switch 5 3C16790C Fast Ethernet Switch 8 3C16791C User Guide 3C16790C_ 3C16791C...

Страница 2: ...pplications increas es heavier demands are made on the available network band width that if unchecked can lead to performance problems in a hub based setup Installing the 3Com OfficeConnect Fast Ether...

Страница 3: ...next piece of equipment is OK If the LED is flashing the link is OK and data is being transmitted or received If the LED is off nothing is connected or the connected device is turned off or there is a...

Страница 4: ...n an diese Datensteckdosen angeschlossen werden AVERTISSEMENT Prises RJ 45 blind es Ces prises ne peuvent servir comme prises t l phone standard et ne permettent pas la connexion de l appareil un syst...

Страница 5: ...heads When in line gently push the Switch on to the wall and move it downwards to secure CAUTION When making connections be careful not to push the Switch up and off the wall 9 1 POSITIONING YOUR SWI...

Страница 6: ...you need 1 One adapter card for each workstation to be connected to a port on the Switch The adapter card must be capable of communicating at the required speed 2 An operating system for example Netwa...

Страница 7: ...automatically learns what workstations can be reached through its ports It can then selectively pass on any information by transmitting the traffic from the relevant port only This operation is calle...

Страница 8: ...h effectively divides up your network localizing the network traffic and passing on traffic as necessary If you have any high performance workstations that require a lot of band width connect them dir...

Страница 9: ...efer to About Your Switch for a full description of the LEDs If the Port Status LED is not lit after several seconds ensure that the connected device is powered on that the TP cable is not damaged and...

Страница 10: ...seau ou des t l phones r seau peuvent y tre branch s Vous pouvez y brancher des c bles pour r seau de donn es blind s ou non pourvus de prises jack blind es ou non aux extr mit s 19 Important Safety...

Страница 11: ...prese dati potranno essere collegati cavi dati schermati o meno con jack schermati o meno 21 Wichtige Sicherheitsinformationen Warnung Warnhinweise enthalten Anweisungen die Ihrer pers nlichen Sicherh...

Страница 12: ...niazd mo na pod cza kable danych ekranowane lub nieekranowane z ekranowanymi lub nieekranowanymi wtykami 23 Informaci n de seguridad importante Advertencia Las advertencias contienen instrucciones que...

Страница 13: ...the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reason able protection against harmful interference in a residential installation This...

Страница 14: ...It contains thousands of technical solutions written by 3Com support engineers Purchase Extended Warranty and Professional Services To enhance response times or extend your warranty benefits you can p...

Страница 15: ...er online at http eSupport 3com com First time users must apply for a user name and password Telephone numbers are correct at the time of publication Find a current directory of 3Com resources by regi...

Страница 16: ...ephone Number Asia Pacific Rim Telephone Technical Support and Repair Australia 1800 075 316 Hong Kong 2907 0456 India 000 800 440 1193 Indonesia 001 803 852 9825 Japan 03 3507 5984 Malaysia 1800 812...

Страница 17: ...h speakers in Latin America should send e mail to lat_support_anc 3com com 33 Country Telephone Number Latin America Telephone Technical Support and Repair Antigua AT T 800 988 2112 Antigua Barbuda AT...

Страница 18: ...ed States government agency then any documentation supplied with this product and the software described therein are provided to you subject to the following All technical data and computer software a...

Отзывы: