Black Box IC174C, IC110C manual Appendix Circuit-Board Design, SW1 PORT1 PORT2 SW2

Page 15

DUAL PORT RS-232 SERIAL INTERFACE

Appendix: Circuit-Board Design

P2			C2	C3
C1		U2		U3
		U2		U3
SW1	E1	E2
SW1	PORT1 PORT2
	PORT1 PORT2

22

33

44

55

1010

1111

	R1	12	12
		15	15
U1	C4
U4	C4
	SW2
	R2
P1
				Y1
U6		U5	C6
U6	C5		C6
R3	C5	N	C7	U10
	M	N		U9

1E3

1E4

U6

C8

U7

J1

D1 R4 D2 R5

C9

J2

1

6

1

14

5

9 J4

13

25

	1	5
	6	9
	1	5	J3
	6	9	J3
	6	9

12

Image 15

Contents Dual Port RS-232 Serial Interface Radio Frequency Interference Statements Contents Connectors 2 DB9M SpecificationsIntroduction OverviewWhat’s Included Features Technical Description Pin Number Signal Name Mode Address Binary Address SelectionAddress Selection Port Enable/Disable Setting the Interrupt RequestOption Selection Header E1 and E2 IRQ 4 selected Installation Installing the Adapter in Your Operating SystemInstalling the Hardware Installation SW1 PORT1 PORT2 SW2 Appendix Circuit-Board DesignAppendix Circuit-Board Design Copyright 2000. Black Box Corporation. All rights reserved