Zhone Technologies Network Device manual Voice Transmission, Status Indicators

Zhone Technologies, Inc.		IMACS Product Book, Version 4
Table 12A—PPO and PPS Line Card Specifications
	Models 812160 and 813160 Eight Channel Line
	Card
	Physical Characteristics
	Model 812160 and 813160	8 channels
	Software provisionable options	Level control and A-Law/Mu law
	Transport length	Over 3,000 feet of copper cable at 2W VF ports
	Out of band signaling	8 kHz tone, ASK, half duplex
	Voice Transmission	7-bit voice encoding scheme. LSb used to carry signaling.
	Status Indicators	Loop current, presence or absence at the local end; loss of
		sealing current, far end
	Subscriber and Central Office
	Interface—Transmit Channel
	Levels received from 2W port	-2 dBm to +1 dBm
	Level adjustment	-3 to +2dB in 0.1 dB increments
	Attenuation distortion (relative to 1 kHz)	-0.5 to +1.0 db, 400 Hz to 2800 Hz
	Idle channel noise	≤ 23 dBrnC

March 2001 Page 38