B&B Electronics 232MSS2 manual Chart 1. IBM PC DB25 Connector to Master Port

All charts will indicate if the Master Port of the 232MSS2 should be configured as a DCE port or a DTE port. Refer to the Port Configuration section of the manual for information on Master Port configurations.

Chart 1. IBM PC DB25 Connector to Master Port

IBM PC
Serial Port		Signal
DB25 Connector	Direction
2	-----------	>
3	<-----------
4	-----------	>
5	<-----------
6	<-----------
7	<---------	>
8	<-----------
20	-----------	>

232MSS2

Master Port (DCE) DB25 Connector

2

3

4

5

6*

7

8

20*

*Pins are tied together inside the 232MSS2, they are not connected to ports A, B, C, or D.

Chart 2. IBM PC DB9 Connector to Master Port

IBM PC
Serial Port		Signal
DB9 Connector	Direction
1	<-----------
2	<-----------
3	-----------	>
4	-----------	>
5	<---------	>
6	<-----------
7	-----------	>
8	<-----------

232MSS2

Master Port (DCE) DB25 Connector

8

3

2

20*

7

6*

4

5

*Pins are tied together inside the 232MSS2, they are not connected to ports A, B, C, or D.

B-2 Appendix B Documentation Number 232MSS2-0108 Manual

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