GAI-Tronics LE200, LE200-FSR, LE200-FLR Page/Party Line Extenders - Manual (Page 49)

Pub. 42004-701L2F
M ODEL LE200 S ERIES W ALL -M OUNT P AGE /P ARTY
®
L INE E XTENDERS P AGE 47 of 50
f:\standard ioms - current release\42004 instr. manuals\42004-701l2f.doc
04/09
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 mVrms
±3 dB @ 33 Ω impedance
Output type ................................... Current source with 3.3 k
Ω 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 mVrms
Page line data voltage not detected range ...............................................................................
≤ 4.0 mVrms
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 mVrms @ 600
Ω impedance (nominal)
Output type ....................................Voltage source with 600
Ω impedance, transformer coupled (nominal)
Gain error.....................................................................................................
±3 dB @ 1,020 Hz sine wave
0 dB ref. 775 mVrms @ 600
Ω impedance
Distortion + noise ...............................................................................THD < 1.0% @ 1,020 Hz sine wave
0 dB ref. 775 mVrms @ 600
Ω 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 volts dc nominal
Page Line Audio between Two LE200s
Frequency response ..........................................................................300 Hz to 7.0 kHz
±0.5 dB @ -10 dB
Reference voltage level ................................................................ 1.5 Vrms @ 33
Ω impedance (nominal)
Output type ................................... Current source with 3.3 k
Ω impedance, transformer coupled (nominal)
Gain error.....................................................................................................
±3 dB @ 1,020 Hz sine wave
0 dB ref. 1.5 Vrms @ 33
Ω impedance both ends
Distortion + noise ................................................................................THD <1.0% @ 1,020 Hz sine wave
0 dB ref. 1.5 Vrms @ 33
Ω impedance both ends
Sampling rate ................................................................................... 16,000 samples per second
± 32 ppm
Encoding.......................................................................................................................................... linear
Direction .................................................................................................................................. half duplex
N OTE : Refer to text for considerations when connecting LE200s in series.