Features

• Processor controlled master station without exchange
• Simplex or duplex speech
• 3 W built-in amplifier
• Extra 10 W amplifier with “Talk-back” function can be mounted
• 12 key buttons
• Programming by internal switchers
• External handset can be connected

Description

The industrial master stations are dust and splash-proof with keyboard and noise compensated microphone. The stations can be mounted in rough and noisy environments. In addition the stations have a built-in relay which can be used as door opening or lighting a light indicator when calling. The stations can call and receive calls from all the stations in the system.

The industrial master stations consist of a processor and software and should not be connected to an exchange. All programming is performed by a power switch on the station. The program consist of rows of standard intercom functions, such as simplex or duplex conversation, priority, automatic answer back when absence, repetition of the last call, all call and two group calls, program distribution and door opening (remote control).

A 10 W amplifier can be mounted in the station for connecting of external loudspeaker. The amplifier has “Talk-back” function that makes calls with answers possible via loudspeaker. An extra 24 V d.c. or a.c. power supply will then be necessary.

The cable work is very flexible.  It can be either star- or parallel coupling. If a local power supply is used, only 1 per cable is enough. Normally 4 pairs of cables are recommended, where 1 pair is used for conversation and display data, one pair for voltage and one pair for program channel. Cable has to be in twisted pairs.