Lonten Tech
Custom Male Parallel 2 rows 9 pins DB9 Serial port turn to wire terminals DR9 male socket turn to terminal
Custom Male Parallel 2 rows 9 pins DB9 Serial port turn to wire terminals DR9 male socket turn to terminal
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Module usage: DB9 adapter terminal, easy to use engineering, field debugging equipment.
Board size: 4.0cm*3.1cm
Shipping list:
DB9 One conversion terminal module
Description
DB9 Defines the interface with male and female headers
1, RS-232 end (DB9 female head/pass) pin definition
Pin numbers 2351, 4, 67, 8
Signal definition TXDRXD is internally connected and internally connected
Note: This port can be plugged directly into the COM port of the computer
2, RS-232 end (DB9 male head/pin type) pin definition
Pin numbers 2351, 4, 67, 8
Signal definition RXDTXD is internally connected and internally connected
Note: This port can be connected to the equipment communicating with the computer
DB9 Male and female heads and pins
DB9 Female head Definition DB9 Male header Definition
Pin sequence pin action + Name Pin sequence pin action + name
1 Data carrier detection DCD 1 Data carrier detection DCD
2 Data transmitting TXD 2 Data receiving RXD
3 Data receiving RXD 3 Data transmitting TXD
4 Prepare DSR 4 Prepare DTR for data terminals
5 Ground GND 5 Ground GND
6 Prepare the DTR for data terminals 6 Prepare the DSR for data devices
7 Clear Send CTS 7 Request send RTS
8 Request send RTS 8 Clear send CTS
9 Ringing indicator RI 9 Ringing indicator RI
