E. Connectors, Cables, and Pin Assignments

COM Port Connector

The type of COM port connector depends on the model.

COM Port for 9126 and 9128-II (25-Position)

The following table provides the pin assignments for the FrameSaver SLV 9126 and 9128-II units’ 25-position EIA-232C communication port connector.

Signal

Direction

Pin #

 

 

 

Shield (GND)

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 (SG)

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.

 

 

COM Port for 9126-II (9-Position)

The following table provides the pin assignments for the 1-slot FrameSaver

SLV 9126-II’s 9-position EIA-232C communication port connector.

Pin #

Signal

Direction

 

 

 

1*

Data Carrier Detect (DCD)

To DTE (Out)

 

 

 

2

Receive Data (RD)

To DTE (Out)

 

 

 

3

Transmit Data (TD)

From DTE (In)

 

 

 

4

Data Terminal Ready (DTR)

From DTE (In)

 

 

 

5

Signal Ground (GND)

 

 

 

6*

Data Set Ready (DSR)

To DTE (Out)

 

 

 

7

Not used

 

 

 

8*

Clear To Send (CTS)

To DTE (Out)

 

 

 

9

Not used

 

 

 

*Pins 1, 6, and 8 are tied together.

E-4

September 2002

9128-A2-GB20-80

Page 426
Image 426
Paradyne CSU, DSU manual COM Port Connector, COM Port for 9126 and 9128-II 25-Position, COM Port for 9126-II 9-Position