RAD Data comm RIC-E1 operation manual Appendix E IR-X.21B Interface Module, Rear Panel

Appendix E

IR-X.21B Interface Module

Contents

E.1	INTRODUCTION	E-1
	Application	E-1
	Rear Panel	E-1
E.2	SELECTING THE IR-X.21B TIMING	E-2
	EXT Clock Mode	E-2
	INT/LBT Clock Mode	E-3

E.1 Introduction

IR-X.21B is an interface module for the standalone RIC-E1 units, converting X.21 signals to TTL levels.

Application

Figure E-1shows a typical application of RIC-E1 with IR-X.21B interface module.

Network G.703 X.21

RIC-E1Router

Figure E-1. Typical Application of RIC-E1 with IR-X.21B Module

Rear Panel

Figure E-2shows the rear panel of RIC-E1 equipped with the IR-X.21B interface module.

100-230 VAC 0.250A T 250V

X.21		LINK
	TX		RX

Figure E-2. Rear Panel of RIC-E1 with IR-X.21B Module

Introduction E-1

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