Connectors, Cables, and Pin Assignments

COM Port Connector

The following table provides the pin assignments for the FrameSaver unit's 25-position EIA-232C communication port connector.

Signal

Direction

Pin #

 

 

 

Shield (GND)

Ð

1

 

 

 

DCE Transmit Data (TXD)

From DTE (In)

2

 

 

 

DCE Receive Data (RXD)

To DTE (Out)

3

 

 

 

DCE Request To Send (RTS)

From DTE (In)

4

 

 

 

DCE Clear To Send (CTS)

To DTE (Out)

5 *

 

 

 

DCE Data Set Ready (DSR)

From DTE (In)

6 *

 

 

 

Signal Ground (GND)

Ð

7

 

 

 

DCE Carrier Detect (CD)

To DTE (Out)

8 *

 

 

 

DCE Data Terminal Ready (DTR)

From DTE (In)

20

 

 

 

* Pins 5, 6, and 8 are tied together.

 

 

 

 

 

9123-A2-GB20-10

July 2000

C-3

Page 259
Image 259
Paradyne 9123 manual COM Port Connector, Signal Direction Pin #