7501-16A, B, C
12
Plug-in OPX Card
IMPEDANCE REFLECTION
Impedances on
either side appear
on the opposite
side multiplied
by 90% to 110%
within the pass
band.
Impedances on
either side appear
on the opposite
side multiplied
by 90% to 110%
within the pass
band.
Impedances on
either side appear
on the opposite
side multiplied
by 90% to 110%
within the pass
band.
ON-HOOK DATA
Terminal resistance
≥
200 K
Ω
at
±100 V dc
≥
200 K
Ω
at
±100 V dc
≥
200 K
Ω
at
±100 V dc
OFF-HOOK DATA (40 mA dc)
Longitudinal balance (CO
Side)
>80 dB @ 60 Hz;
>56 dB @ 4 kHz
>80 dB @ 60 Hz;
>56 dB @ 4 kHz
>80 dB @ 60 Hz;
>56 dB @ 4 kHz
Crosstalk with adjacent card
Better than -77dB
from 300 to 3400
Hz measured at
+10 dBm
Better than -77dB
from 300 to 3400
Hz measured at
+10 dBm
Better than -77dB
from 300 to 3400
Hz measured at
+10 dBm
Dial pulse distortion
<1% measured at
14 mA threshold
(output duty
cycle with
respect to input
duty cycle)
<1% measured at
14 mA threshold
(output duty
cycle with
respect to input
duty cycle)
<1% measured at
14 mA threshold
(output duty
cycle with
respect to input
duty cycle)
NOISE
Impulse noise (both sides)
Less than 1 count
in 30 minutes
above 48 dBrnc
Less than 1 count
in 30 minutes
above 48 dBrnc
Less than 1 count
in 30 minutes
above 48 dBrnc
Phase jitter (4-300 Hz)
<0.5°
<0.5°
<0.5°
Message circuit noise (quiet
termination)
<30 dBrnc
<30 dBrnc
<30 dBrnc
S/N ratio (C message filter)
50 dB at 0 dBm
50 dB at 0 dBm
50 dB at 0 dBm
SIGNAL
Bandwidth (-3 dB)
200 to 4 kHz
200 to 4 kHz
200 to 4 kHz
Parameter
Specifications
Summary of Contents for Teleline Isolator 7501-16A
Page 1: ...Plug in OPX Card 7501 16A B and C Description and Installation...
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