Black Box ME445C-X.21, ME444AE-R3, ME445C-35, ME444A-R3, ME445C-530, ME444AE-530-R3 manual Contents

CONTENTS

Contents

Chapter				Page
1.	Specifications			8
2.	Introduction			10
	2.1	Physical Description		10
	2.2	Functional Description		11
		2.2.1	Encoder Modulator	11
		2.2.2	Modulation Timing	12
		2.2.3	Signal Levels	12
		2.2.4	Receiver	12
		2.2.5	V.54 Diagnostics	13
		2.2.6 Test-Pattern Generator and Receiver		13
	2.3 Applications			13
3.	Configuration			15
	3.1	Placement of the Standalone Version		15
	3.2	Installing the Card Version in the RackNest 2/14		15
	3.3	Configuring the Standalone or Card Version		17
4.	Installation			21
	4.1	Installing the Standalone Version in 19" Racks		21
		4.1.1	Overview	21
		4.1.2 Installing a Single Unit in a 19-Inch Rack		21
		4.1.3 Installing Two Standalone Units in a 19-Inch Rack		22
	4.2	Installing the 256-kbps Rackmount Card Version		24
	4.3	Connecting Data Cables		33
		4.3.1	Power Connection	33
		4.3.2	LINE Connection	34
		4.3.3	DTE Connection	34
5.	Operation		...................................................................................................	36
	5.1	Controls and Indicators		36
	5.2	Operating Procedure		38
6.	Troubleshooting			39
	6.1	Loop Tests		39
	6.2	Bit-Error-Rate Tester (BERT)		39
	6.3	The Modem Self-Test		41
	6.4	Local Analog Loopback		41
	6.5	Remote Digital Loopback		43
	6.6	Local Digital Loopback		44
	6.7	Calling Black Box		45
	6.8	Shipping and Packaging		46
Appendix: Maximum Distances				47

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