Zhone IMACS Network Device Dokumentacja Pobierz pdf (Strona 42)

Zhone Technologies, Inc. IMACS Product Book, Version 4

March 2001 Page 38

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

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 113 114

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Zhone IMACS Network Device Dokumentacja Strona 42