User Manual PS 155 / Issue 1
8
2001 ASL Intercom, Utrecht, Holland.
2.0 UNPACKING
The shipping carton contains the parts
listed below:
* The PS 155
* User manual
* Sub-D 9 connector
If any are missing, contact your dealer.
ASL has taken great care to ensure this
product reaches you in flawless condition.
After unpacking the unit please inspect for
any physical damage to the unit, and retain
the shipping carton and relevant packing
materials for use should the unit need
returning.
If any damage has occurred, please notify
your dealer immediately so that a written
claim can be initiated. Please also refer to
the guarantee section of this manual.
3.0 INSTALLATION
This PS 155 will form part of an existing or
new intercom system, and connection to it is
straightforward. There are no separate power
connections, or batteries to install, as the
necessary DC voltages are derived from the
intercom master station or power supply, via
the intercom connection cable.
To connect the PS 155 onto the intercom
system, use professional flexible micro-phone
cable with 2 wires and 1 shield only. Connect
the system intercom cable into the LINE
connector socket on the rear panel.
The PS 155 is fully protected against mis-
wiring (reverse power) or short-circuit in the
interconnecting cables.
To connect the wireless intercom unit to the
PS 155 a proper cable has to be
manufactured. The exact connections of the
Sub-D9 connector are explained further on in
this manual, please refer to section 5.0 at
point 12.
Attention :
•
Always make sure that all
interconnecting cables are
properly shielded to avoid RF
interference of the wireless
unit in the wired ASL-intercom.
•
If possible always use balanced
audio connections to and from
the wireless system.
•
Make sure that the connections
made to the wireless system are
according to the specifications
of the manufacturer of the
wireless unit.
•
Place the wireless unit far from
the interface and intercom
cables to avoid RF interference.
•
It is of paramount importance that the
unit is properly adjust before use.
Therefore carefully read and execute all
the instructions in this manual.
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