Multi-Tech Systems MVP-2410, MVP-2400, MVP-3010 manual 157, AMI / HDB3

MultiVOIP User Guide			Technical Configuration (Digital Voips)
		E1 Parameter Definitions (cont’d)
	Field Name		Values	Description
	Line Build Out		0 dB, -7.5 dB,	To reduce the crosstalk on received
			-15 dB, -22.5 dB	signals, a transmit attenuator can
				be placed in the data path.
				Transmit attenuation is selectable.
				Default: O dB
	Pulse Shape		0 to 40 Meters	Refers to length of cable
	Level		40 to 81 m	between MultiVOIP and
			81 to 122 m	PBX/telco in meters. Most
			122 to 162 m	common will be 0 to 40m.
			162 to 200 m
	Clocking		External/Internal	Set opposite to telco/PBX setting.
				Example: if telco clocking internal,
				set VOIP clocking as external.
	Line Coding		AMI / HDB3	Match to PBX or telco.
	PCM Law		A-Law/Mu-Law	Match to PBX or telco.
				“A-law” is analog-to-digital
				compression/expansion
				standard used in Europe.
				“Mu-law” is North American
				standard.

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