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Signals on the JM and JS SUB-D15 Pin Connectors
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(Original Document)
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Signals on the JM and JS SUB-D15 Pin Connectors
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|
(Original Document)
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JM Sub-D15: Master
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JS Sub-D15: Slave
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|---|---|---|---|---|---|
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Names (modbus.org)
|
Function
|
Pin
|
Interface
|
Names (modbus.org)
|
Function
|
|
RXD1
|
Master D1 bus signal to slaves
|
1
|
Bus
|
RXD1
|
Master D1 bus signal to slaves
|
|
LT0
|
TXD pair RC terminator
|
2
|
Bus
|
LT0
|
TXD pair RC terminator
|
|
LT1
|
TXD pair R terminator (not used)
|
3
|
Bus
|
LT1
|
TXD pair R terminator (not used)
|
|
RXD0
|
Master D0 bus signal to slaves
|
4
|
Bus
|
RXD0
|
Master D0 bus signal to slaves
|
|
TXD1
|
Slave D1 bus signal to master
|
5
|
Bus
|
TXD1
|
Slave D1 bus signal to master
|
|
RXD0M
|
RXD0 reception from master
|
6
|
Device
|
RXD0S
|
RXD0 reception from slave
|
|
TXD0M
|
TXD0 transmission from master
|
7
|
Device
|
TXD0S
|
TXD0 transmission from slave
|
|
Common
|
Bus 0V common
|
8
|
Common
|
Bus 0V common
|
|
|
LR0
|
RXD pair RC terminator
|
9
|
Bus
|
LR0
|
RXD pair RC terminator
|
|
LR1
|
RXD pair R terminator (not used)
|
10
|
Bus
|
LR1
|
RXD pair R terminator (not used)
|
|
TXD0
|
Slave D0 bus signal to master
|
11
|
Bus
|
TXD0
|
Slave D0 bus signal to master
|
|
PR0
|
For RXD0 polarization by device
|
12
|
Device
|
PT0
|
For TXD0 polarization by device
|
|
RXD1M
|
RXD1 reception from master
|
13
|
Device
|
RXD1S
|
RXD1 reception from slave
|
|
TXD1M
|
TXD1 transmission from master
|
14
|
Device
|
TXD1S
|
TXD1 transmission from slave
|
|
PR1
|
For RXD1 polarization by device
|
15
|
Device
|
PT1
|
For TXD1 polarization by device
|
