RAD Data comm ASM-20 operation manual Contents

	Contents
CHAPTER 1 INTRODUCTION
1.1	Overview	1-1
	Applications	1-1
	Features	1-2
	Options	1-2
1.2	Physical Description	1-3
	Front Panel	1-3
	LEDs	1-3
	Jumpers	1-3
	Rear Panel	1-3
1.3	Functional Description	1-4
	Encoder	1-4
	Modulation Timing	1-5
	XMT Level (optional)	1-5
	Receiver	1-5
	Remote Power Failure (RPF)	1-5
	V.54 Diagnostics	1-5
	Async to Sync Converter	1-5
	X.21 Buffer (for X.21 interface)	1 -6
	Test Pattern Generator and Receiver	1-6
	X.21 External Clock Buffer Option	1-6
	G.703 DTE Interface	1-6
1.4	Specifications	1-6
	Transmission Line	1-6
	Digital Interface	1-7
	Diagnostics (Complies with the V.54 Standard)	1-7
	Timing Elements	1-7
	Indicators	1-8
	Electrical	1-8
	Physical	1-8
	Environment	1-8
CHAPTER 2 INSTALLATION AND SETUP
2.1	Introduction	2-1
2.2	Site Preparation and Prerequisites	2-1
2.3	Package Contents	2-2
2.4	Mechanical Installation	2-2
2.5	Electrical Installation	2-2
	Strap Selection	2-3
	Setting Internal Jumpers and Switches	2-3
	Power Connection	2-7
CHAPTER 3 OPERATION
3.1	General	3-1

ASM-20Installation and Operation Manual i