Zhone Technologies IMACS Network Device - Manual (Page 43)

Zhone Technologies, Inc. IMACS Product Book, Version 4
March 2001 Page 39
Table 12A—PPO and PPS Line Card Specifications (continued)
Subscriber and Central Office
Interface—Receive Channel
Level generated to 2W port with 0dB loss 0 dBm
±
0.5 Db
Level adjustment -3 to +2 dB 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
2W Port Characteristics
Maximum connected copper loop 3000 feet, 26 gauge, non-loaded pair
Impedance 900 ohms
Return Loss, voiceband into 900
Ω
+ 2.16
µ
F > 18 dB ERL, > 0 dB SRL LO, HI
Return loss, single frequency into 900
Ω
+ 2.16
µ
F > 25.6 dB @ 8 kHz
Sealing Current Source
Minimum voltage at NI (display set) 15.8 V into a 38 ma sink through 3000 ft
Minimum voltage at NI (non-display set) 14.5 V into a 17 mA sink through 3000 ft
Loop length 0 to 3000 feet
Polarity Ring lead must be negative relative to tip lead
Sealing Current Sink <960 ohms DC resistance
8 kHz Signaling Specifications
Signaling method ASK half duplex, carrier only present during transmission of
information or acknowledgment
Signaling rate 1 kb/s, half duplex
Received 8kHz signal levels at 2W port .200 to 1.5 V peak to peak
Standards Conformance
BellCore GR 1089-CORE, Section 2 ESD Protection
BellCore GR 1089 section 3 and EN 500
81-1, Level B Radiated Emissions
BellCore GR 1089 CORE, Section 3 Conducted Emissions
BellCore GR 1089 CORE, Section 3 Immunity
FCC Part 68 Requirements for Connection of Terminal Equipment Systems
and Protective Apparatus to the Telephone Network
FCC Part 15 Subpart B
UL 1459 Standard for Safety, Telephone Equipment
UL 1950 UL Standard for Safety of Information Technology Equipment
CE EN 500 81-1 Electromagnetic compatibility generic emission standard Part 1
Residential, commercial and light industry
CE EN 500 82-1 Electromagnetic compatibility generic immunity standard Part 1
Residential, commercial and light industry
CE EN 60 950/A2 Safety of information technology equipment including electrical
business equipment