Db9(Rs-232C) Connector Pin Assignment - Ratoc Systems REX-USB60F Installation Manual

1 1 1 1 - - - - 4 4 4 4 . . . . DB9( DB9(RS DB9( DB9( RS- - - - 232C RS RS
The pin assignment of the connector is below:
This DB9pin connector is compatible with ANSI/EIA/TIA-574 specifications.
1 2 3 4 5
6 7 8 9
D-Sub9pin Male
Signal Signal Signal Signal
Pin# Pin# Pin# Pin#
Name Name Name Name
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
232C 232C) ) ) ) connector 232C connector connector connector Pin Assignment
Anchor [#4-40]
For using inch screw
Direction Direction Direction Direction
DTE – – – – DCE. DTE DCE.
DTE DTE DCE. DCE.
<--- Data Carrier Detected
<--- Received Data
---> Transmitted Data
---> Data Terminal Ready
- Signal Ground
<--- Data Set Ready
---> Request to Send
<--- Clear to Send
<--- Ring Indicator
Pin Assignment Pin Assignment Pin Assignment
Meaning Meaning Meaning Meaning
3