2-5
2.2
8012M Transducer
The 8012M is the Transducer in the system. This transducer is used to communicate commands sent from
the 8011M Deck Unit to EdgeTech or other manufacturers' equipment.
2.2.1
8012M Transducer Mechanical Specifications
SPECIFICATION
VALUE
Acoustic frequency
7.5 to 15 kHz
Beam pattern
Omni-directional in the lower hemisphere
Cable length
67 meters (220 feet)
Weight in air
10 kg (22 lbs) including cable
Size
Diameter 11.4 cm (4.5 in); height 10 cm (4.0 in)
Table 2-2: 8012M Transducer Mechanical Specifications
2.2.2
Serial Cable Pin Out
DB9
AMP
DB9 pin 2
AMP pin 8
DB9 pin 3
AMP pin 7
DB9 pin 5
AMP pin 2
Table 2-3: Serial Cable Pin Out Descriptions
2.2.3
Auxiliary Cable Pin Out
PIN
DESCRIPTION
Pin 1
Ground
Pin 2
TX transmit envelope goes negative at the beginning of the transmit pulse.
Pin 3
Detect goes high on detecting a valid reply pulse. This signal is delayed by 11 milliseconds from the
actual detection.
Pin 4
Trigger If the deck unit is in the ranging mode. A positive edge in on this pin will initiate a ranging
operation.
The auxiliary port is 5-volt logic.
Table 2-4: Auxiliary Cable Pin Out Descriptions