10BASE-T Stackable Hubs
Cables and Connectors D-1
D
DCABLES AND
CONNECTORS
Ports 2 through 24 are MDI-X 10BASE-T Ethernet ports. Port 1 is a
10BASE-T Ethernet port, with a sliding switch that enables a connection to a
network station (in the MDI-X setting) or to a repeater, bridge, or hub (in the
MDI setting). 10BASE-T connections require a twisted-pair cable, a
maximum of 100 meters long, with RJ-45 connectors at both ends. You can
use shielded twisted-pair cable or 0.4-0.6 mm (22-26 AWG) 8-wire
unshielded twisted-pair cable for the connection.
The following diagram and table show a standard RJ-45
receptacle/connector and its pin assignments. Numbering of the pins and
contacts shown in the diagram correspond to the entries in the subsequent
table. Only pin/contact signals relevant to the hub are listed.
Figure D-1 RJ-45 Connectors
RJ-45 Connector
Contact MDI-X Signal MDI Signal
1 RD+ (receive) TD+ (transmit)
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