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Black Box RS-485, IC175C, IC113C manual DUAL PORT RS-232↔ 422/485 SERIAL INTERFACE, U10-11

Models: IC113C RS-485 IC175C

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U10-11

16

J1	2	RD1/

J1	6	DSR1/

J1	9	RI1/

J1	7	RTS1/

J1	8	CTS1/

J1	1	DCD1/

J1	3	TD1/

J1	4	DTR1/
		RD1
	SHEET 1	CTS1
		DSR1
		DCD1
J2	2	RD2/

J2	6	DSR2/

J2	9	RI2/

J2	7	RTS2/

		RD2
	SHEET 1	CTS2
		DSR2

DCD2

J2	8	CTS2/

J2	1	DCD2/

J2	3	TD2/

J2	4	DTR2/

E5				R9				U8
E5			-12V					U8
RS-232			1	2	+12V	1		VEE+ VDO		16		+5V
1	24					2				15					U8-15	SHEET 2
2	23															SHEET 2
2	23
3	22					3				14					TD1	SHEET 1
4	21															SHEET 1
4	21
5	20					4				13					U8-13	SHEET 2
6	19															SHEET 2
6	19
7	18					5				12					RTS1	SHEET 1
8	17															SHEET 1
8	17
9	16	U8-15				6				11					U8-11	SHEET 2
10	15	U8-13														SHEET 2
10	15	U8-13	SHEET 2
11	14	U8-11	SHEET 2			7				10					DTR1	SHEET 1
12	13	U10-11	R8													SHEET 1
12	13	U10-11			-12V	8				9		GND
E6					-12V	8		VEE- VSS		9		GND
E6								MC145406
1	24							U10
2	23							U10
3	22				+5V	14	V+
4	21				+5V	2	V+				3				U10-3
4	21					2	ENA		OUTA							SHEET 2
5	20					1	ENA		OUTA							SHEET 2
6	19					5	INA				6								RI2
6	19					5	ENB		OUTB
7	18					4	ENB		OUTB
8	17					9	INB				8								RI1
						9	ENC
		U9-5				10	ENC		OUTC
9	16	U9-5				12	INC
10	15	U9-3	SHEET 2			12	END				11				U10-11
10	15	U9-3	SHEET 2			13	END		OUTD		11				U10-11	SHEET 2
11	14					7	IND
12	13				GND	7	GND
12	13				GND		GND
RS-422		GND						MC1489
RS-422								MC1489
								U13
E7						2		1Y	VDO 16			+5V
E7						3		1Z
1	24					6		2Y	1A		1
2	23					5		2Y			1
2	23					5		2Z			7
3	22					10		3Y	2A		7
4	21					11		3Z			9
5	20					14		4Y	3A		15								RTS2
6	19					13		4Z	4A		15								TD2
7	18					4		EN1			8
8	17					12		EN2	VSS		8	GND
8	17					12		EN2	VSS			GND
9	16	U9-11						75174
10	15	U9-13	SHEET 2					75174
11	14
12	13
RS-422		GND
RS-422								+5V								GND
				1	1	1		1				1	1	1	1
				RP4	RP4	RP4		RP4				RP3	RP3	RP3	RP3
				2	4	5		7				7	4	3	8
									RP2
								8			7
															2		U9
									RP2						2	1A
									RP2						1	1A	VDO 16		+5V
															1	1B	VDO 16		+5V
								6			5				6	2A			U9-3
															7	2B	1Y	3	U9-3
															10	2B	1Y	5	U9-5
															10	3A	2Y	5	U9-5
									RP2						9	3B	3Y	11	U9-11
															14	4A	4Y	13	U9-13
								4			3				15	4B		8
															4	EN	VSS	8	GND
															12	EN
								1	RP2		2					75173
E8																75173
E8
1	24
2	23
3	22							U11
4	21						1	VEE+ VDO 16
5	20				+12V		1	VEE+ VDO 16				+5V
6	19						2				15			U11-15
7	18														SHEET 2
8	17						3				14			DTR2
9	16	U11-15													SHEET 1
9	16	U11-15												U11-13
10	15	U11-13					4				13			U11-13
11	14	U11-11	SHEET 2												SHEET 2
11	14	U11-11	SHEET 2																5
12	13	U10-3					5				12								5
12	13	U10-3					5				12
RS-232							6				11			U11-11
															SHEET 2
							7				10								3
					-12V		8	VEE- VSS			9	GND
								MC145406

SHEET 1

SHEET 1

U7

9		8
	74LS04				E4
SHEET 1	74LS04		A	1	2
SHEET 1			A	1	2
		GND1/	B	3	4	GND
J1	5	GND1/	C	5	6
	U7
5		6			E3
					E3
	74LS04		A	1	2
			B	3	4	GND
			C	5	6
J2	5	GND2/

SHEET 2

RP1	1	+5V
		+5V
RP1	1

	RP4
6	1
1	2
	R7
	RP4
8	1
1	2

R6

+5V

GND

+5V

GND

GND

SPARE GATES

1 U7 2

74LS04

3 U7 4

74LS04

11 U7 10

74LS04

13 U7 12

74LS04

DUAL PORT RS-232↔422/485 SERIAL INTERFACE

Image 21

Black Box RS-485, IC175C, IC113C manual DUAL PORT RS-232↔ 422/485 SERIAL INTERFACE, U10-11

Contents

MARCH IC113C IC175C Dual Port RS-232/422/485 Serial InterfaceRADIO FREQUENCY INTERFERENCE STATEMENTS FEDERAL COMMUNICATIONS COMMISSION AND INDUSTRY CANADATRADEMARKS USED IN THIS MANUAL FCC AND IC STATEMENTS, TRADEMARKSNORMAS OFICIALES MEXICANAS NOM ELECTRICAL SAFETY STATEMENT DUAL PORT RS-232↔ 422/485 SERIAL INTERFACEINSTRUCCIONES DE SEGURIDAD NOM STATEMENT Page ChapterContents DUAL PORT RS-232↔ 422/485 SERIAL INTERFACE1. Specifications CHAPTER 1 SpecificationsConnectors - 2 DB9M 2.1 Overview 2. Introduction2.2 What’s Included DUAL PORT RS-232↔ 422/485 SERIAL INTERFACECHAPTER 2 Introduction 2.3 Features2.4 Technical Description Signal NamePin Number ModeSignal Name RS-485CHAPTER 2 Introduction Pin NumberBinary 3. Address SelectionTypically COM1=3F8h COM2=2F8h COM3=3E8h COM4=2E8h Switch Position Setting4.1 Port Enable/Disable 4. Option SelectionCHAPTER 4 Option Selection Figure 4-1. Header E1 and E2 IRQ selection DUAL PORT RS-232↔ 422/485 SERIAL INTERFACEE1 2/9 3 4 5 7 10 11 12 E2 2/9 3 4 5 7 10 11 12 4.2 RS-232 Interface Options Figure 4-2. Headers E9 and E10 in Normal ModeCHAPTER 4 Option Selection 4.3 RS-422/485 Interface Options shown from rear or cable side of connectorFigure 4-3. DB9 Handshake Loopback connections for RS-232 DUAL PORT RS-232↔ 422/485 SERIAL INTERFACEFigure 4-4. Headers E3 and E4, RS-485 Enable/Ground Selection 4.4 Line TerminationCHAPTER 4 Option Selection 5. Installation 5.1 Software InstallationDUAL PORT RS-232↔ 422/485 SERIAL INTERFACE CHAPTER 5 Installation 5.2 Hardware InstallationSelf-Test DUAL PORT RS-232↔ 422/485 SERIAL INTERFACE Appendix Circuit-Board DesignAPPENDIX Circuit-Board Design U10-11 DUAL PORT RS-232↔ 422/485 SERIAL INTERFACE1000 Park Drive Lawrence, PA 15055-1018 724-746-5500 Fax Copyright 2000. Black Box Corporation. All rights reserved