ASL INTERCOM PS 279 사용자 설명서 - 페이지 8
{카테고리_이름} ASL INTERCOM PS 279에 대한 사용자 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. ASL INTERCOM PS 279 16 페이지. Dual channel master station
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7.0
REAR PANEL CONTROLS AND CONNECTOR
17 A & B LINE connectors
These XLR-3 type connectors are for connecting the
remote-stations, via standard microphone cable. There
are two connectors for channel A and two connectors
for channel B.
Pin assignments:
1.
0V / ground shield
2.
+30V power wire
3.
audio wire
18 SYSTEM LINK IN connector
Input for the cable of an external party-line Intercom
system. If one or both channels of the PS 279 are to
be connected to another intercom system then these
connectors will accept the communication signals from
the other system.
19 AUX INPUT connector
This XLR-3 type aux input connector is electronically
balanced and accepts audio levels between –20dBu to
+21dBu on line level.
Pin assignments:
1.
0V / ground
2.
signal +
3.
signal -
20 GROUND LIFT switch
With this switch the pin 1 of the AUX input XLR is lifted
from ground when in "Lift" position.
8
21 MAINS INLET / DISCONNECT DEVICE
IEC Mains connector. For correct wiring and operation
refer to section 4.0.
Before you plug in the mains voltage, check if:
*
The fuse is correct
*
The voltage is correct
22 FUSE
This fuse protects the PS 279 against severe internal
damage, in case of malfunction in the power section.
To remove the fuse the mains cord must be removed.
It is most important to place the correct fuse in the
holder:
Mains voltage
100 – 240 VAC
Spare fuses are supplied with the unit.
23 DC INPUT connectors
These connectors can be used as a backup power
supply or when no 100/240 VAC voltage supply is
available. They accept 12 – 28 VDC.
User manual PS 279 / Issue 1 © 2006 ASL Intercom, Utrecht, The Netherlands
WARNING
fuse
T 1250 mA