PAGE 6
User Manual PS 230 / Issue 2011 © ASL Intercom BV
5.0
SIDE PANEL CONNECTORS
11
LINE connector channel A
12
LINE connector channel B
These connectors are for connecting the PS 230
to the party lines of an intercom system.
XLR-3 pin assignments :
1.
0 V /ground shield
2.
+30V power wire
3.
audio wire
6.0 INTERNAL CONTROLS
Inside the unit there are two trimmers to adjust
the mic gain of the gooseneck microphone and
the headset microphone separately. The trimmers
are located on the PC board.
The trimmers can be reached as follows :
remove the screws of the bottom plate
slide the plate to one side and take it out
take away the plastic isolation plate
The two trimmers are labeled :
‘GOOSE’ for the gooseneck microphone
‘HEADS’ for the headset microphone
7.0 WARRANTY
This unit is warranted by ASL Intercom to the
original end-user purchaser against defects in
workmanship and materials in its manufacture for
a period of one year from date of shipment to the
end-user. Faults arising from misuse,
unauthorized modifications or accidents are not
covered by this warranty. If the unit is faulty it
should be sent in it's original packing, to the
supplier or your local ASL dealer, with shipping
prepaid. A note must be included stating the
faults found and a copy of the original suppliers
invoice.
8.0 TECHNICAL SPECIFICATIONS
System Specifications
Dynamic range: 80 dB (1 kHz, THD < 1%)
Call signal: (send): +2.8 mA
Call signal threshold (receive): +2.4V DC
Supply voltage: +30V DC (12V to 32V)
Power interrupt time (Mic Mute): 0.1 sec
Line
Impedance: 350 Ω (1 kHz), 2.2 kΩ (DC)
Audio level: nom. -18 dBu, max. +4 dBu
Microphone Pre-amps
Headset mic impedance: 200 Ω
Gain: 40
– 60 dB (adjustable internally, separately
for the headset mic and the gooseneck mic)
Presence filter: +6 dB @ 5 kHz
Frequency response: 200 Hz
– 15 kHz (-3dB)
Power to electret mic: +9V DC
Limiter range (gooseneck mic): 30 dB
Headphone Driver Amp
Max. output level: 14 V
rms (@ 200 Ω
Max. output power: 1 W rms @ 400 Ω
Speaker Driver Amp
Speaker impedance: 25 Ω
Max. output power: 2.9 W rms
Side Tone
Rejection: 0 - 30 dB adjustable
Buzzer
Max. SPL: 85 dBA
PS 230 Power Consumption
Current (at 30V DC):
-
35 mA quiescent
-
70 mA signaling
-
190 mA at max. signaling
PS 2130 Dimensions & Weight
Width 230 mm / Height 88 mm
Depth 42/48 mm sloping / Weight 1.3 Kg
0 dBu = 775 mV into open circuit
ASL reserves the right to alter specifications
without prior notice.
