40 CMA24BT cpuModule
BDM-610000087 Rev A
RS-422 Mode Pinout
Table 14 provides the serial port connector pinout
when RS-422 mode is enabled.
Facing the serial port connector, the pinout is:
Table 14 Serial Port in RS-422 Mode
Pin
Signal
Function
In/Out
DB-9
1
TXD–
Transmit Data (–)
out
1
2
—
Reserved
—
6
3
TXD+
Transmit Data (+)
out
2
4
—
Reserved
—
7
5
RXD+
Receive Data (+)
in
3
6
—
Reserved
—
8
7
RXD–
Receive Data (–)
in
4
8
—
Reserved
—
9
9
GND
Signal Ground
—
5
10
GND
Signal Ground
—
—
9
7
5
3
1
GND
RXD-
RXD+
TXD+
TXD-
GND
Rsvd
Rsvd
Rsvd
Rsvd
10
8
6
4
2
WARNING
The pinout of the COM ports in RS-422 mode is
not
compatible with previous
generations of RTD cpuModules.
Summary of Contents for cpuModules CMA24BT
Page 3: ...Accessing the Analog World www rtd com ISO9001 and AS9100 CMA24BT cpuModules...
Page 5: ...BDM 610000087 Rev A v...
Page 6: ...vi CMA24BT cpuModule BDM 610000087 Rev A...
Page 66: ...56 CMA24BT cpuModule BDM 610000087 Rev A...
Page 87: ...BDM 610000087 Rev A Chapter 4 Using the cpuModule 77...
Page 88: ...78 CMA24BT cpuModule BDM 610000087 Rev A...
Page 94: ...84 CMA24BT cpuModule BDM 610000087 Rev A Figure 11 CMA24BTQ1910 Heatsink Edge near PCIe 104...
Page 96: ...86 CMA24BT cpuModule BDM 610000087 Rev A...
Page 111: ...BDM 610000087 Rev A Appendix C IDAN Dimensions and Pinout 101...
Page 112: ...102 CMA24BT cpuModule BDM 610000087 Rev A...
