Boca BOCAHUB-16 Plus BEN220, Руководство по установке

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crossover, the two pairs of wires must be straight-
through:
STRAIGHT-THROUGH RJ-45 PIN ASSIGNMENTS
(8-pin RJ-45)
(10-pin RJ-45)
Concentrator Device Concentrator Device
X
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 Crossover Wiring
If both ports are labelled “X”, or neither port is
labelled, then the crossover must be implemented in
the wiring
(NOT X)
1 (+) 1 (+) 2 (+) 2 (+)
2 (-) 2 (-) 3 (-) 3 (-)
3 (+) 3 (+) 4 (+) 4 (+)
6 (-) 6 (-) 7 (-) 7 (-)
Cabling Characteristics