4-Wire Configuration with Polarization of One Pair by the Master Station and the Other by a Slave Station
(Original Document)
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Introduction
Main cables 14 and 16 are 3-pair cables:
Green/yellow wire 17 is connected to the module's ground terminal.
NOTE:
  • Each pair must only be polarized once on the whole bus.
  • These diagrams show a configuration with shielding connection at one end only.
Illustration
This diagram shows a configuration with RXD1, RXD0 pair polarization by the master station connected to JM.
Position of the Switches
This table shows the switch positions.
Switches
Positions On
Master Station Device
S1
4W
S2
ON
S3
OFF
S4
OFF
S5
OFF
Illustration
This diagram shows a configuration with TXD1 and TXD0 pair polarization by one of the slave stations connected to JS.
Position of the Switches
This table shows the switch positions.
Switches
Positions On
One of the Slave Stations
Other Slave Stations
S1
4W
4W
S2
OFF
OFF
S3
OFF
OFF
S4
OFF
OFF
S5
ON
OFF