3Com 3C16700A manual Dimensions and Standards, Dimensions and Operating Conditions, Power Weight

Page 25

DIMENSIONS AND STANDARDS

Dimensions and Operating Conditions

0-40°C (32-105°F)

225mm (9in.)

 

operating

 

temperature

35.8mm

 

(1.4in.)

0-90%

 

(non-condensing)

135.4mm (5.3in.)

humidity

+ 15.2mm (0.6in.)

 

for 10BASE-2 port

 

(if applicable)

 

Power

Weight

 

 

 

OfficeConnect Ethernet Hub 4

4 VA, 14 BThU/hr

500g (1.1 lb)

OfficeConnect Ethernet Hub 4C

12 VA, 40 BThU/hr

550g (1.2 lb)

OfficeConnect Ethernet Hub 8

11 VA, 38 BThU/hr

500g (1.1 lb)

OfficeConnect Ethernet Hub 8C

12 VA, 40 BThU/hr

550g (1.2 lb)

 

 

 

Standards

Functional:

ISO 8802/3

 

IEEE 802.3

Safety:

UL 1950, EN 60950

 

CSA 22.2 #950

 

IEC 950

EMC:

EN 55022 Class B

 

EN 50082-1

 

FCC Part 15 Class B*

 

ICES-003 Class B

 

VCCI Class B

 

CNS 13438 Class A

Environmental:

EN 60068 (IEC 68)

Category 5 screened cables must be used to ensure compliance with the Class B requirements of this standard. The use of unscreened cables (category 3 or category 5) complies with the Class A requirements.

*Refer to “Electromagnetic Compatibility” on page 38 for conditions of operation.†

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Contents OfficeConnect Ethernet Hub 4, 4C, 8, 8C 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Important Safety Information Wichtige Sicherheitshinweise Consignes importantes de sécurité Technical Support Introduction What Else Do I Need? Creating Your NetworkWorkstation Connections Transceiver Connections10BASE-2 Hub ConnectionsTwisted Pair TP Cables Rubber Feet Stacking the Units TogetherStacking Clip Positioning Your Hub Using Your HubSecuring Your Hub Ethernet Hub 4 and 4C-Front Officeconnect Ethernet HUB 4 and 4CNetwork Utilization LEDs Hub 4C only AUI/COAX Status LEDs Hub 4C onlyEthernet Hub 4 and 4C-Rear 10BASE-2 port Hub 4C only Uplink/Normal switchConnecting OfficeConnect Ethernet Hubs Together Connecting Workstations and Other Equipment to Your HubConnecting Transceivers to the AUI Port Checking Connections Connecting Hubs Using 10BASE-2Spot Checks Connecting Hubs Using 10BASE-TProblem Solving for the HUB 4 and 4C Straight-through Cable/Crossover Cable Officeconnect Ethernet HUB 8 and 8C Power LED Collision LEDEthernet Hub 8 and 8C-Front Port Status LEDsEthernet Hub 8 and 8C-Rear Power Adapter socket Uplink/Normal switch10BASE-2 port Hub 8C only Connecting Workstations and Other Equipment to Your Hub 50 Ohm Terminator Switch set to Normal out Uplink Problem Solving for the HUB 8 and 8C Normal Pin Uplink Port Rx+ Tx+ Networking Terminology Dimensions and Operating Conditions Dimensions and StandardsPower Weight StandardsEnd Of Life Statement Environmental StatementsRegulated Materials Statement Environmental Statement about the DocumentationImportant Safety Information Wichtige Sicherheitshinweise Consignes Importantes DE Sécurité 3Com Knowledgebase Web Services Online Technical ServicesTechnical Support World Wide Web SiteSupport from 3Com Support from Your Network SupplierEurope Country Telephone Number Asia, Pacific RimEurope, South Africa, and Middle East North America Country Telephone Number Latin AmericaCountry Telephone Number Fax Number Returning Products for Repair3Com Corporation Limited Warranty Warranties Exclusive Disclaimer Electromagnetic Compatibility Wall mounting screw hole guide 150 mm 5.9 Part No. DUA 1670-0AAA04 Published June