Chapter 2 Specifications; Transceiver And Processing Unit (Tpu); Tpu Operation; Towfish Input/Output - Klein 3000 Series Operation And Maintenance Manual

2-2

CHAPTER 2 Specifications

2.2

Transceiver and Processing Unit (TPU)

2.2.1
The only operator control on the TPU is the main power switch.
2.2.2
Quantity:
Connector:
2.2.3
The trigger/IRIG input, which is optional, is used to trigger the system externally.
Quantity:
Input level:
Rise time:
Pulse width:
Impedance:
Connector:
2.2.4
The trigger outputs are used to slave external processors or other equipment such
as locators. The main trigger output runs at the trigger rate determined by the
RANGE setting. The auxiliary trigger occurs at a sub-multiple of this, determined
by the AUX TRIG DIVISOR setting.
Quantity:
Output level:
Pulse width:
Connector:
2.2.5
Quantity:
Baud rate:
Connector:
Series 3000 Sonar System Operations and Maintenance Manual

TPU Operation

Towfish Input/Output

Trigger/IRIG Input (Optional)

Trigger Outputs

RS-232 COM 1, COM3 and COM4 Ports
1
Type N
1
TTL compatible, positive edge triggered
1 µs maximum
100 µs minimum
10 Kohm
Type N
2
CMOS/TTL compatible
100 µs nominal
BNC
3
9600 baud
9-pin DSUB for receiving sensor data
and sending control commands to the
TPU
11210066, Rev. 11