Type
|
BOCHI001
|
Using conditions
|
Ambient temperature:
|
-10 ℃ - +40 ℃;
|
Relative humidity:
|
≤95% (+25 ℃)
|
Atmospheric pressure:
|
(86-106) kpa
|
Associated equipment:
|
HDK Coupler
|
Max input voltage
|
DC60V
|
Max input voltage
|
30Ma
|
Highest ringing voltage
|
AC56V
|
Maximum Ring Current
|
10mA
|
Mine Simulation length
|
0km/5km/10km
|
Sending loudness rating (SLR)
|
≥2/≤15/≤18
|
Receiving loudness rating (RLR)
|
≥-8/≤2/≤2
|
Sidetone masking rating pressure value (STMR)
|
≥ 3/≥ 8/≥ 5
|
Ringing level
|
≥ 80dB.
|
Pulse intermittent ratio:
|
1.6 ± 0.2:1
|
Pulse rate:
|
10 ± 1 times / sec.
|
Frequency Error
|
≤ 1.5%.
|
Low base level
|
-9dBm ± 3dB
|
Frequency group level
|
-7dBm ± 3dB
|
Size
|
112×290×122
|
Weight
|
2.5kg
|
Communication distance
|
≤ 10km,
|
Cable type specifications
|
MHYV1 * 2 * 7/0.37.
|
Subscriber line loop resistance
|
≤ 1kΩ
|
Line between the leakage resistance
|
≤ 20kΩ
|
Distributed capacitance
|
≤ 0.1μF/km
|
Distributed inductance
|
≤ 1mH/km
|
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