Pub. 42004-735L2D
M
ODEL
LE300
S
ERIES
W
ALL
-M
OUNT
P
AGE
/P
ARTY
®
L
INE
E
XTENDERS
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p:\standard ioms - current release\42004 instr. manuals\42004-735l2d.doc
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Line Balance Characteristics
Coupling ...................................................................................................................................... AC coupled
Adjustment range ....................................................... Disabled, 15 ohms to 115 ohms adjustable (nominal)
Page Line or Party Line Maximum Peak Working Voltage
L1 to L2 ............................................................................................................................
30 V dc nominal
L1 or L2 to ground ..........................................................................................................
120 V dc nominal
Page Line Data
VLC frequency................................................................................................................. 50,087 Hz nominal
FSK high frequency (start bit) ......................................................................................... 32,914 Hz nominal
FSK low frequency (stop bit) ........................................................................................... 30,720 Hz nominal
FSK baud rate ............................................................................................................... 2400 bits per second
Page line data voltage transmit level ...................................... 707 mV
(
RMS
)
3 dB @ 33 ohms impedance
Output type............................. Current source with 3.3 kilohms impedance, transformer coupled (nominal)
VLC frequency capture range .............................. (within) inside 43,886
frequency
57,600 Hz nominal
VLC frequency release range ........................... (beyond) outside 40,070
frequency
65,829 Hz nominal
FSK high frequency capture range ....................... (within) inside 32,914
frequency
34,133 Hz nominal
FSK high frequency release range ................... (beyond) outside 31,779
frequency
36,864 Hz nominal
FSK low frequency capture range ........................ (within) inside 29,729
frequency
31,779 Hz nominal
FSK low frequency release range .................... (beyond) outside 27,106
frequency
31,779 Hz nominal
Page line data voltage detected range ..................................................................................
100 mV
(
RMS
)
Page line data voltage not detected range .............................................................................
4.0 mV
(
RMS
)
Page Line Monitor Audio from Either Page Line
Frequency response ........................................................................... 300 Hz to 7.0 kHz
0.5 dB @
−
10 dB
Reference voltage level .................................................. 775 mV
(
RMS
)
@ 600 ohms impedance (nominal)
Output type............................... Voltage source with 600 ohms impedance, transformer coupled (nominal)
Gain error ........................................................................................................
3 dB @ 1,020 Hz sine wave
0 dB ref. 775 mV
(
RMS
)
@ 600 ohms impedance
Dist noise ................................................................................. THD < 1.0% @ 1,020 Hz sine wave
0 dB ref. 775 mV
(
RMS
)
@ 600 ohms impedance
Sampling rate ....................................................................................... 16,000 samples per second
32 ppm
Encoding ............................................................................................................................................... linear
Direction ...................................................................................................................................... output only
Gain adjustment range ......................................................................
−
30 to +12 dB in 3 dB steps (nominal)
Maximum Peak Working Voltage L1 to L2 .....................................................................
15 V dc nominal