ASL INTERCOM PS 155 Instrukcja Użytkownika Pobierz pdf (Strona 6)

PAGE 6

User Manual PS 155 / October 2013 © ASL Intercom BV

Normally Closed:

Some wireless units need a contact to be

opened to go from receive to transmit

mode. Use pin 4 and 6.

Important notes:

• Use high quality cables and connectors

• Make sure that all interconnecting cables

are properly shielded. This to avoid RF

interference of the wireless intercom

system and the wired ASL intercom system

• If possible, use a balanced audio

connection to and from the wireless unit.

Using a cable assembly from the wireless

intercom manufacturer is to be preferred.

• Make sure that the connections made to

the wireless unit are according to the

specifications of its manufacturer

• Always use the by ASL supplied Sub-D9

connector cable part; this connector is

shielded

• To avoid RF interference, place the

wireless unit not to close to the PS 155 and

the intercom cables. But the connection

cable should not be too long.

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ASL INTERCOM PS 155 Instrukcja Użytkownika Strona 6