363-206-305
Technical Specifications
Issue 3 June 2000
10-77
Tabl e 10-35.
SPQ
®
440 Electrical and Transmission Specifications —
Continued
Parameter Value
POTS and Special Services
Structural Impedance 600 ohms + 2.16
µ
F
Minimum longitudinal balance (measured by
IEEE Method 455-1976)
200 Hz to 1,000 Hz:
≥
58 dB
3,000 Hz:
≥ 53
db
Idle channel noise, end-to-end
≥
20 dBrnC
Frequency Response (Loss Relative to 1,004 Hz)
End-to-end 400 Hz to 2,800 Hz:
−
0.5 dB to
+
1 dB
3,200 Hz:
−
0.5 dB to
+
1.5 dB
300 Hz and 3,400 Hz:
−
0 dB to
+
3 dB
SPQ
440 only (1/2 channel) 400 Hz to 2,800 Hz:
−
0.25 dB to
+
0.5 dB
3,200 Hz:
−
0.25 dB to
+
0.75 dB
300 Hz and 3,400 Hz:
−
0 dB to
+
1.5 dB
60 Hz Rejection > 20 dB
Cross talk
(0 dBm0 input, 200 Hz to 3,400 Hz)
≤
−
65 dBm0
Impulse noise at a threshold of 47 dBrnCO
for 15 minutes
≤
15 counts
Data pulse distortion (PAR)
End-to-end > 90
SPQ
440 only (1/2 channel)
≥
94
Single frequency distortion with input of:
0 Hz to 12 kHz, 0 dBm0 <
−
28 dBm0 at 0 Hz to 12 kHz
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