6
External communication interface
6-10
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Straight cable
This cable is used to connect the robot controller or mating device to the hub.
For devices applicable to Auto MDI/MDI-X, the straight cable can be used when the controller and mating
device are connected directly.
T-568A pin assignments T-568A pin assignments
Signal name Wiring color Pin number Pin number Wiring color Signal name
TD+ Green/white 1 1 Green/white TD+
TD- Green 2 2 Green TD-
RD+ Orange/white 3 3 Orange/white RD+
Not use Blue 4 4 Blue Not use
Not use Blue/white 5 5 Blue/white Not use
RD- Orange 6 6 Orange RD-
Not use Brown/white 7 7 Brown/white Not use
Not use Brown 8 8 Brown Not use
* 100BASE-TX does not use the wiring of 4, 5, 7, and 8 pins.
* There is a straight cable with T-568B pin assignments wired.
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Cross cable
This cable is used to directly connect the robot controller and mating device. Additionally, when the hub does
not have any cascade port, this cable is used for the cascade connection of the hub.
T-568A pin assignments T-568A pin assignments
Signal name Wiring color Pin number Pin number Wiring color Signal name
TD+ Green/white 1
1 Orange/white TD+
TD- Green 2 2 Orange TD-
RD+ Orange/white 3 3 Green/white RD+
Not use Blue 4 4 Blue Not use
Not use Blue/white 5 5 Blue/white Not use
RD- Orange 6 6 Green RD-
Not use Brown/white 7 7 Brown/white Not use
Not use Brown 8 8 Brown Not use
* 100BASE-TX does not use the wiring of 4, 5, 7, and 8 pins.
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