DHD-801/1601 User’s Guide
Cables and Connectors
15
A
5
C
ABLES AND
C
ONNECTORS
100BASE-TX Fast Ethernet Ca-
bles and Connectors
♦
Cable characteristics: Category 5 unshielded twisted-
pair or EIA/TIA-568 compliant, 100-ohm shielded
twisted-pair data cable with 0.4 to 0.6
mm (22 to 26 AWG) wires in two or
four twisted pairs (only two pairs--that
is, four wires--are used for 100BASE-
TX).
♦
Maximum segment length: 100 meters
♦
Maximum network diameter: 205
meters
♦
Connectors: RJ-45
Straight Twisted-Pair Cable Pinouts
Contact
MDI-X Signal
MDI-II Signal
1
RD+ (receive)
TD+ (transmit)
2
RD- (receive)
TD- (transmit)
3
TD+ (transmit)
RD+ (receive)
4, 5
Not used
Not used
6
TD- (transmit)
RD- (receive)
7,8
Not used
Not used