B-5
Cabling and Technology Information
Twisted-Pair Cable/Connector Pin-Outs
Other Wiring Rules:
■ All twisted-pair wires used for 10 Mbps, and 100 Mbps operation must be
twisted through the entire length of the cable. The wiring sequence must
conform to EIA/TIA 568-B (not USOC). See “Twisted-Pair Cable Pin
Assignments” later in this appendix for a listing of the signals used on each
pin.
■ For 1000Base-T connections, all four pairs of wires in the cable must be
available for data transmission. See “Note on 1000Base-T Cable Require-
ments” on page B-1 for more information on 1000Base-T cabling.
■ For 10 Mbps connections to the ports, you can use Category 3, 4, or 5
unshielded twisted-pair cable, as supported by the IEEE 802.3 Type
10Base-T standard.
■ For 100 Mbps connections to the ports, use 100-ohm Category 5 UTP or
STP cable only, as supported by the IEEE 802.3u Type 100Base-TX
standard.
■ For 1000 Mbps connections, 100-ohm Category 5e or better cabling is
recommended.
■ To provide Power over Ethernet to the access point, all 4 pairs must be
connected for any network cable attached to this port; the cable must
meet ISO/DIS 11801 Class D requirements and IEEE 802.3af requirements.
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