13
E-200 SERIES INTERCOM SYSTEM — EF-200 DUAL CHANNEL MASTER STATION
MULTICHANNEL SYSTEM CONNECTION (MASTER-SLAVE)
The MASTER-SLAVE connection of master stations allows to carry out
multichannel systems and use an only headphone for all the intercom lines.
The connection is made with an 8 pin RJ45 cable (of wide use in computer
networks) without inverting (extension). We will introduce in the central unit that
we want to configure as master the cable connector FCC-68 in the master station
connector marked as MASTER, and in the master station we want to configure as
slave the other cable end in the master station connector marked as SLAVE. If we want to configure
more slave units, we will use another 8 pin RJ45 cable and we will connect the cable connector
FCC-68 in the first slave unit, and the other cable end in the connector FCC-68 marked as SLAVE of
the following slave unit, and so forth up to one maximum of 5 master stations, what would give us
a maximum of 10 intercom lines controlled by this system.
The operation in MASTER-SLAVE mode is very simple. That way, we will listen all the intercom
lines in the headset connected to the master station. The volume control of each main station
adjusts the headset level of its local intercom lines (MASTER 1,2- SLAVE Nº1 3,4- SLAVE Nº2 5,6-
SLAVE Nº3 7,8- SLAVE Nº4 9,10) and the local listen balance control between intercom lines the
channel mix controlled by the main station.
The mic sending to the different intercom lines is carried out with the mic on/ off switch of
each intercom line (each main station controls two intercom lines).
The call signal to each intercom line is carried out with of the CALL switch associate, as well
as each received call is shown in their associate channel (the associated led starts blinking and if
the buzzer is activated, the unit emits an intermittent sound). The buzzer on/ off switch is controlled
by each main station, as well as the remote mutes of all mics and buzzers.
In multichannel operation, it is possible to enable/ disable the microphones of all the stations
(master or slaves), as the remote mute buzzers function of all the stations and carry out a call to all
the system intercom lines (in order to obtain more information consult the section —
BUZZER
ON/ OFF SWITCH).
The program input corresponding to the main station configured as MASTER will work alone
(each main station can be configured so that in slave mode the program input works- in order to
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