Utp Cable Specifications; Using Utp Category 5 Cable In Gigabit Over Copper Installations; Rj-45 Pinouts And Crossover Function - HP NC7170 User Manual

Specifications
Table C-1: NC7170 Gigabit Server Adapter Specifications
Specification
Relative Humidity
Agency Approvals

UTP Cable Specifications

To connect to the network, the NC7170 Server Adapter uses the following cable for
1000Base-T transmission.
•
Category 5 UTP or better twisted-pair
•
22-26 AWG, 100Ω @ 1MHz
•
EIA/TIA 568a or EIA/TIA 568b

Using UTP Category 5 Cable in Gigabit over Copper Installations

For Gigabit over copper installations, Category 5 UTP or better 1000Base-T cable must
comply with the IEEE 802.3ab 1000Base-T standard. For new installations, Category 5e
(enhanced Category 5) or better cable is recommended. Maximum distances for Gigabit over
copper cable are 100 meters (328 feet).

RJ-45 Pinouts and Crossover Function

The Ethernet standard also specifies that each segment implement a crossover function to
connect the transmitter of one device to the receiver of a device at the other end, and vice-
versa. The crossover function may be implemented internally at the hub or switch, or
externally through the twisted-pair media.
C-2
Description
Operating; 10% to 90%
Storage: 5% to 95%
•
FCC Class B
•
VCCI Class B
•
BSMI Class A
•
CISPR Class B
•
EN60950
•
MIC Class B
HP NC7170 Dual Port PCI-X 1000T Gigabit Server Adapter
continued
•
EN 55022 Class B
•
EN55024-1
•
UL
•
Canada UL
•
ICES-003 Class B