Boca BocaNET-24, Руководство по установке

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4.4 Straight-Thr 4.4 Straight-Thr
4.4 Straight-Thr 4.4 Straight-Thr
4.4 Straight-Through ough
ough ough
ough W W
W W
Wir ir
ir ir
iring ing
ing ing
ing
If the twisted pair link segment is to connect two ports and
only one of the ports features an internal
crossover, the two pairs of wires must be straight-through:
STRAIGHT STRAIGHT STRAIGHT STRAIGHT STRAIGHT-THROUGH RJ-45 PIN ASSIGNMENTS -THROUGH RJ-45 PIN ASSIGNMENTS -THROUGH RJ-45 PIN ASSIGNMENTS -THROUGH RJ-45 PIN ASSIGNMENTS -THROUGH RJ-45 PIN ASSIGNMENTS
(8-pin RJ-45) (10-pin RJ-45)
Concentrator Device Concentrator Device
CROSSED NOT CROSSED
1 (Rx+) 1 (Tx+) 2 (Rx+) 2 (Tx+)
2 (Rx-) 2 (Tx-) 3 (Rx-) 3 (Tx-)
3 (Tx+) 3 (Rx+) 4 (Tx+) 4 (Rx+)
6 (Tx-) 6 (Rx-) 7 (Tx-) 7 (Rx-)
4.5 Cr 4.5 Cr
4.5 Cr 4.5 Cr 4.5 Crosso
osso
osso osso ossov
v
v v ver
er
er er er W
W
W W Wir
ir
ir ir iring
ing
ing ing ing
If both ports are labelled “X”, or neither port is labelled, then
the crossover must be implemented in the wiring.
(8-pin RJ-45) (10-pin RJ-45)
CROSSED NOT CROSSED
1 (+) 1 (+) 2 (+) 2 (+)
2 (-) 2 (-) 3 (-) 3 (-)
3 (+) 3 (+) 4 (+) 4 (+)
6 (-) 6 (-) 7 (-) 7 (-)
Cabling Characteristics Cabling Characteristics Cabling Characteristics Cabling Characteristics Cabling Characteristics
9379.p65 1/28/99, 2:51 PM 31