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Installation and Reference for the BayStack 60-12T/60-24T 10/100 Ethernet Hubs
Table B-1
Table B-1.
Pin Number
Cable Assignments
You can use unshielded twisted-pair (UTP) or shielded twisted-pair (STP) cable to
connect to RJ-45 ports.
Use the following cable categories, depending on the type of Ethernet
transmissions on your device.
•
10 BASE-T - 100 Ohm Category 3, 4, 5 twisted pair
•
100 BASE-TX - 100 Ohm Category 5 twisted pair
Figure B-2
cables.
(Hub)
1
IRD+
2
IRD-
3
OTD+
6
OTD-
Figure B-2.
B-2
describes the pin assignments.
RJ-45 Pin Descriptions
Assignment (Station Ports
1 through 12 or 24)
1
Input Receive Data +
2
Input Receive Data -
3
Output Transmit Data +
6
Output Transmit Data -
4, 5, 7, 8
Not used
shows schematics for straight-through and crossover twisted-pair
Straight-Through
(Adapter)
1
OTD+
2
OTD-
3
IRD+
6
IRD-
Cable Schematics
Assignment (Daisy-Chain Port,
other Devices)
Output Transmit Data +
Output Transmit Data -
Input Receive Data +
Input Receive Data -
Not used
Crossover
(Hub)
(Hub)
1
IRD+
1
IRD+
2
IRD-
2
IRD-
3
OTD+
3
OTD+
6
OTD-
6
OTD-
9243EA
206378-A
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