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