Oxygen 7Oxygen 7 - STEREO MODULE
Pag. 27
8 STEREO MODULE
8.1 STEREO MODULE - REMOTE CONNECTOR
The 15 pin D-Type plug remote connector provides the inputs and outputs for the following functions :
• Remote Start for equipment connected to Input A
• Remote Stop for equipment connected to Input A
• Remote Start for equipment connected to Input B
• Remote Stop for equipment connected to Input B
• Remote PFL enable
• Remote Start/Stop control
A 6 VDC ± 50 mV current-limited output is also provided for use with the remote control inputs.
8.1.1 REMOTE START/STOP CONTROL
Using an external pushbutton, the Start/Stop commands can be remotely controlled (so achieving the same
function as the Start/Stop module button). For this aim, the Start/Stop optocoupler (see interface scheme) must
be properly driven. Please, consider than max current allowed on optocouplers is 10 mA (nominal: 5 mA).
Apply the provided + 6V tension through a 560 ΩΩ carbon resistor in order to preserve optocouplers from extra
currents.
Please also note that the Access Mode jumper (see § 8.8) allows to address the Start/Stop LED only (in order
to signal the ‘ready’ of an external equipment) instead of enable full Start/Stop command.
8.1.2 START / STOP A and B
The Start button can remotely Start and Stop external equipment. Four optocouplers will close, depending on
the selected input (A or B).
The remote Start and Stop can be made either momentary or latched by setting the jumper A REM LATCH for
input A and the jumper on the internal board for Input B (see § 8.8).
If no jumper is set, the Start remote operates in momentary mode.
Please, consider than max current allowed on optocouplers is 10 mA (nominal: 5 mA). Apply the provided + 6V
tension through a 560 ΩΩ carbon resistor in order to preserve optocouplers from extra currents.
8.1.3 External PFL enable
Using an external pushbutton, the channel PFL audio path (which is routed toward the Studio or the Control
Room outputs) can be remotely switched On/Off (so achieving the same function as the module button). For
this aim, the PFL Access optocoupler (see interface scheme) must be properly driven. Please, consider than
max current allowed on optocouplers is 10 mA (nominal: 5 mA). Apply the provided + 6V tension through a 560
ΩΩ carbon resistor in order to preserve optocouplers from extra currents.
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