Test Equipment Depot teletalker 330, Инструкция по эксплуатации

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9
Specifications
Loop Limit 4K ohms max. at 48VDC
(5km, 26Ga) nominal 15mA
minimum loop current.
DC Resistance 150 ohms Typical at 80mA
current.
Monitor Impedance MONITOR: 100K @ 1KHz
RING: 600 Ohms @ 1KHz
Rotary (PULSE) Dial
Pulsing Rate
Percent Break
Interdigital Pause
Leakage During Break
10 +/- 0.5 pulses/sec
60% +/- 2%
8.5ms Typical
> 50K ohms
DTMF Output
Tone Frequency Error
Level of Tone Pair
Skew
+/- 1.5%
+ 2 dBm max. , -8 dBm min.
4 dBm max.
Physical
Length
Width
Height
Weight
22.4 cm (8 4/5 inches)
7.12 cm (2 4/5 inches)
7.0 cm (2 3/4 inches)
380 g (13.4 ounces) max.
Battery CR2032