Filter
Top Products
Section lX: FBRM/BFFG Cable & Fiber Optic Specifications Transition Networks
Copper cables
Characteristics
Cooper cable physical characteristics must meet or exceed IEEE 802.3™
specifications.
Copper cable
specification
Category 5: minimum
Gauge: 24 to 22 AWG
Attenuation: 22.0 dB/100m @ 100 MHz
Maximum cable distance: 100 meter (328 ft.)
• Straight-through or crossover twisted-pair cable may be used. See Figure 69.
• Shielded twisted-pair (STP) or unshielded twisted-pair (UTP) may be used.
• Pins 1&2 and 3&6 are the two active pairs in an Ethernet network.
• RJ-45 pin-outs on MDI cable: Pin 1 = TD+, Pin 2 = TD-, Pin 3 = RD+, Pin 6 =
RD-
• Use only dedicated wire pairs for the active pins.
(e.g., blue/white & white/blue, orange/white & white/orange, etc.)
• DO NOT use flat or silver satin wire.
Figure 69: MDI Straight Through and MDI-X Crossover Cables
24-Hour Technical Support: 1-800-260-1312 International: 00-1-952-941-7600 89