Technical Specifications (18-0037) AM8a Instruction Manual
February 10, 2000 0037-S08.L_
8-6
On/Off Hook Threshold
Level Threshold: 2 to 60 V
Accuracy: ±3% ±0.7V
Measurement Accuracy of Analysis (Unless otherwise specified)
Frequency: ± 2 Hz (DTMF ≥ 25 ms; MF ≥ 35 ms)
Level: ± 1 dB
Timing: ± 2 ms
METER MEASUREMENTS
Analog AC Volts*
Range: 0 to 130Vrms ±2%, ±1Vrms
3
(±0.7Vrms with cm
1,2
0°C - 50°C) (DC offset < 75V, crest factor < 1.6) (15
to 75 Hz)
Loop/Ground Start: Tip–Ring
1
, Tip–Ground
2
, Ring–Ground
2
, Common
mode Tip–Ring
2
E/M: Tip–Ring
1
, Tip 1–Ring 1
1
(Emulation Range: 0 to
3Vrms), Common mode Tip–Ring
2
, Common mode
Tip 1–Ring 1
2
, E–Ground
2
, M–Ground
2
,
SG–Ground
2
, SB–Ground
2
PCM1/PCM2: Tx Common mode, Rx Common mode
Analog DC Volts*
Range: –150V to +150V ±2%, ±1V (±1V with cm
1,2
0°C -
50°C)
Loop/Ground Start: Tip–Ring
1
, Tip–Ground
2
, Ring–Ground
2
, Common
mode Tip-Ring
2
E/M: Tip–Ring
1
, Tip 1–Ring 1
1
(Emulation Range : –4V
to +4V) Common mode Tip–Ring
2
, Common mode
Tip 1–Ring 1
2
, E–Ground
2
, M–Ground
2
,
SG–Ground
2
, SB–Ground
2
PCM1/PCM2: Tx Common mode, Rx Common mode
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