9
CHAPTER 1: Specifications
1.3.2 C
ATEGORY
5
Gauge:
24 to 22 AWG
Attenuation:
20 dB/1000 ft. @ 10 MHz
Differential Characteristic Impedance:
100
Ω
±10%
@ 10 MHz
1.3.3 C
ATEGORY
3
AND
5
Minimum UTP/STP Cable Distance:
1.8 m (5.9 ft.)
Maximum UTP/STP Cable Distance:
762 m (2500 ft.)
NOTE
The active pair in a twisted-pair copper 3270-compliant
network are pins 4 and 5. Use only dedicated wire pairs
(such as blue/white and white/blue, orange/white and
white/orange) for the active pins.
Figure 1-1. Straight-through cable pinning.
RJ-45 Connector
RJ-45 Connector
3
3
4 - - - - - - - - - - - - - - - - - - -4
5 - - - - - - - - - - - - - - - - - - -5
6
6