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$159.99 a pair
Wireless Serial Adapter
(Bluetooth to RS232)
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Cabling Information
DB-25 Pin Description
| Pin # |
Signal |
Description |
Signal Direction |
| 1 |
GND |
Chassis Ground |
Common |
| 2 |
TxD |
Transmit Data |
Output |
| 3 |
RxD |
Receive Data |
Input |
| 4 |
RTS |
Request To Send |
Output |
| 5 |
CTS |
Clear To Send |
Input |
| 6 |
DSR |
Data Set Ready |
Input |
| 7 |
SG |
Signal Ground |
Common |
| 8 |
DCD |
Data Carrier Detect |
Input |
| 20 |
DTR |
Data Terminal Ready |
Output |
DB-37 Pin Description
| Pin # |
Port # |
Signal |
Description |
| 1 |
- |
|
No Connection |
| 2 |
3 |
DCD |
Data Carrier Detect |
| 3 |
3 |
SG |
Signal Ground |
| 4 |
3 |
CTS |
Clear To Send |
| 5 |
3 |
RxD |
Receive Data |
| 6 |
4 |
RI |
Ring Indicator |
| 7 |
4 |
DTR |
Data Terminal Ready |
| 8 |
4 |
DSR |
Data Set Ready |
| 9 |
4 |
RTS |
Request To Send |
| 10 |
4 |
TxD |
Transmit Data |
| 11 |
2 |
DCD |
Data Carrier Detect |
| 12 |
2 |
SG |
Signal Ground |
| 13 |
2 |
CTS |
Clear To Send |
| 14 |
2 |
RxD |
Receive Data |
| 15 |
1 |
RI |
Ring Indicator |
| 16 |
1 |
DTR |
Data Terminal Ready |
| 17 |
1 |
DSR |
Data Set Ready |
| 18 |
1 |
RTS |
Request To Send |
| 19 |
1 |
TxD |
Transmit Data |
| 20 |
3 |
RI |
Ring Indicator |
| 21 |
3 |
DTR |
Data Terminal Ready |
| 22 |
3 |
DSR |
Data Set Ready |
| 23 |
3 |
RTS |
Request To Send |
| 24 |
3 |
TxD |
Transmit Data |
| 25 |
4 |
DCD |
Data Carrier Detect |
| 26 |
4 |
SG |
Signal Ground |
| 27 |
4 |
CTS |
Clear To Send |
| 28 |
4 |
RxD |
Receive Data |
| 29 |
2 |
RI |
Ring Indicator |
| 30 |
2 |
DTR |
Data Terminal Ready |
| 31 |
2 |
DSR |
Data Set Ready |
| 32 |
2 |
RTS |
Request To Send |
| 33 |
2 |
TxD |
Transmit Data |
| 34 |
1 |
DCD |
Data Carrier Detect |
| 35 |
1 |
SG |
Signal Ground |
| 36 |
1 |
CTS |
Clear To Send |
| 37 |
1 |
RxD |
Receive Data |
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