Epson C82307, C823088 TABLE OF CONTENTS

INTRODUCTION		2
About	this guide	3
SETTING THE CONDITIONS		4
Card layout		4
DIP-switch and jumper settings		5
DIP switches		5
Jumpers		14
DATA ENTRY		16
Serial	communication	16
About	data entry	16
Handshaking protocol		17
SELF TEST		21
Loopback mode		21
Line-monitor mode		22
SPECIFICATIONS		23
HARDWARE DESCRIPTION		25
CIRCUIT	DIAGRAMS	28
INSTALLATION		31

Contents

Page FCC COMPLIANCE STATEMENT FOR AMERICAN USERS Page TABLE OF CONTENTS INTRODUCTION About this guide SETTING THE CONDITIONS Card layout DIP switch and jumper settings DIP switches Table 1. DIP switch Data word structure Table 2. Word structure Table 3. Parity check Table 4. DIP switch RS-232D 19,200 BPS Handshaking selection and Interface selection Page DIP switch 3 (Interface operation) Table 9. DIP switch Buffer full recovery timing Table 10. Buffer full recovery timing Jumpers Figure 2. Jumpers Table 11. Jumper settings DATA ENTRY Serial data communications About data entry Handshaking protocol X-on/X-offProtocol Figure 3. X-on/X-offtiming DTR protocol Buffer Operation Disabled Table 12. Flag set/reset conditions Page SELF TEST Table 13. Self-testmodes Loopback mode Table 14. Terminal pin connections Line-monitormode SPECIFICATIONS 5 . Handshaking Table 15. Handshaking HARDWARE DESCRIPTION Page Page CIRCUIT DIAGRAMS Figure 6. Transmitter Circuit Diagram Figure 7. Receiver Circuit Diagram Figure 8. Transmitter Circuit Diagram Figure 9. Receiver Circuit Diagram INSTALLATION