Boca Research FSP 44 User Manual download pdf (Page 23)

6.0 Interface Pinouts

Serial Pinouts

RS232 (Standard)

Pin Function

2Printer Transmit

3Printer Receive

7Ground

5,20 DTR (Printer Ready)

4,22 RTS (+5Vdc)

Typical RS232 Pin Connections

* Optional Connection

(Standard)

25 PIN PC

BOCA CPU

23RXD

32TXD

77GND

20 6 DSR

20 5 CTS*

20 8 CD*

(Standard)

9 PIN PC

BOCA CPU

22 RXD

33 TXD

75 GND

20 6 DSR

20 1 CD*

20 8 CTS*

Parallel Pinouts

Pin Function

1 Strobe (negative)

2-9 DATA (DBØ - DB7)

10 ACK (negative)

11 BUSY

12 PAPER OUT

15 ERROR (negative)

18 Ground

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 31 32

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Boca Research FSP 44 User Manual Page 23