Specifications

MADI 700 Series Guide2
Power On Sequence
We recommend powering up the converters only after verify-
ing the presence of a valid sync signal. After powering up the
converters, the meter LEDs flash briefly and the Sample Rate
and Sample Rate Source LEDs blink as the converter senses the
incoming Sample Rate source and Sample Rate. We recom-
mend monitoring the power-up sequence to verify the con-
verters have correctly auto-sensed the desired Sample Rate
Source and Sample Rate.
Safety and Precautions
220, 230, 240 VAC Operation
The converters preserve their signal quality using linear power
supplies that must be manually switched between 115 and
230 VAC. The units are shipped set for 115 VAC. Move the red,
two-position switch near the power entry module of the con-
verters to the 230 VAC position (down) for 220/230/240 VAC
operation.
Each unit uses a 0.630 A fuse for 115 VAC operation. To oper-
ate at 220, 230, or 240 VAC, install the spare 0.315 A fuse pro-
vided in the power entry module fuse-holder.
To access both the active and the spare fuse:
1 Turn the unit’s power off.
2 Remove the IEC power cable from the power entry module.
3 Use a small screwdriver to open the fuse tray below the elec-
trical inlet.
The active fuse is to the rear of the tray. The spare fuse is in the
tray slot closest to the front. Pull the fuses through the plastic
constriction point that holds them from falling out.
Power Cord Requirements
The converters are supplied with North American IEC power
cords. If this cord is changed to allow a different plug config-
uration, it is the responsibility of the user to select an ap-
proved power cord with proper construction material, current
capacity, flexibility, and strength characteristics.
Cooling
We strongly recommend providing adequate ventilation to
the converters, particularly when installed in a rack. The
AM713 and MA703 converters in particular should have space
left above and below every two units so heat can properly
dissipate.
Before connecting power to the converters,
change the fuse and voltage selector to the
appropriate 220/230/240 VAC settings.
Never disconnect the safety ground to the converters.