BDM-610000087 Rev A
Chapter 3: Connecting the cpuModule 43
8
RI1
COM A - Ring Indicate
in
9
9
GND
Signal Ground
—
5
10
GND
Signal Ground
—
—
Table 19 COM A (RS-422) and COM B (RS-422)
1
1. Dual RS-485 mode with echo uses dual RS-422 mode pinout
Pin
Signal
Function
In/Out
DB-9
1
TXD1-
COM A- Transmit Data (–)
out
1
2
TXD2-
COM B - Transmit Data (–)
out
6
3
TXD1+
COM A - Transmit Data (+)
out
2
4
TXD2+
COM B - Transmit Data (+)
out
7
5
RXD1+
COM A - Receive Data (+)
in
3
6
RXD2+
COM B - Receive Data (+)
in
8
7
RXD1-
COM A- Receive Data (–)
in
4
8
RXD2-
COM B - Receive Data (–)
in
9
9
GND
Signal Ground
—
5
10
GND
Signal Ground
—
—
Table 20 COM A (RS-485) and COM B (RS-485)
Pin
Signal
Function
In/Out
DB-9
1
D1-
COM A- Data (–)
in/out
1
2
D2-
COM B - Data (–)
in/out
6
3
D1+
COM A - Data (+)
in/out
2
4
D2+
COM B - Data (+)
in/out
7
5
—
Reserved
—
3
6
—
Reserved
—
8
7
—
Reserved
—
4
8
—
Reserved
—
9
9
GND
Signal Ground
—
5
10
GND
Signal Ground
—
—
Table 18 COM A (RS-232) and COM B (RS-232)
Pin
Signal
Function
In/Out
DB-9
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...
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Page 94: ...84 CMA24BT cpuModule BDM 610000087 Rev A Figure 11 CMA24BTQ1910 Heatsink Edge near PCIe 104...
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Page 111: ...BDM 610000087 Rev A Appendix C IDAN Dimensions and Pinout 101...
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