B&B Electronics 232SS2 Dokumentacja Pobierz pdf (Strona 23)

C-2 Appendix C 232SS21600 Manual

B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104

Chart 3. Modem DB25 Connector to Master Port

Straight Through Connection

Async Modem

Serial Port

DB25 Connector

Signal

Direction

232SS2

Master Port (DTE)

DB25 Connector

2 <----------- 2

3 -----------> 3

4 <----------- 4

5 -----------> 5

7 GROUND 7

8 -----------> 8

20 <----------- 20

Chart 4. IBM PC DB25 Connector to Ports A - D (DTE)

Master port DCE, Slave port DTE.

Null Modem Connection

IBM PC

Serial Port

DB25 Connector

Signal

Direction

232SS2

Ports A - D (DTE)

DB25 Connector

2 -----------> 3

3 <----------- 2

4 -----------> 5

5 <---------- 4

6 & 8 <---------- 20

7 GROUND 7

20 -----------> 6 & 8

1 2 ... 18 19 20 21 22 23 24 25 26

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B&B Electronics 232SS2 Dokumentacja Strona 23