RS232 Pinout 9-D Type (IMS)

Pin
Function
Direction
1
Carrier Detect
I/P(3)
2
Receive Data
I/P
3
Transmit Data
O/P
4
Data Terminal Ready
O/P(4)
5
Signal Ground
 
6
Data Set Ready
I/P(5)
7
Request To Send
O/P(4)
8
Clear To Send
I/P(3)
9
-
 

NOTE-3 These Signals are NOT available on Port 5 to 16 for the DataServer-16 and are effectively pulled to an active state on the input to the Serial Communication Controller.

NOTE-4 These Signals are NOT available on ports 5-16 on the DataServer-16. They are effectively driven active. (Connected to +12V via a 120 Ohms resistor on the DataServer-16 PCB).

NOTE-5 The DSR Signal on Ports 5 to 16 are internally connected through tp the CTS input of the Serial Commumication controller.

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