Tpu Block Diagram; Tpu Internal Access; Figure C-7: Tpu Block Diagram - Klein 3000 Series Operation And Maintenance Manual

C-14
APPENDIX C General Setup, Configuration and Troubleshooting
C.5.3 TPU Block Diagram
The TPU block diagram is shown in Figure C-7.
Main Input
120/240
(switchable)
VME
BUS
C.5.4 TPU Internal Access
To access the inside of the TPU, you must first remove the two screws on the upper
rear of the unit. Slide the back locking frame off to one side, and then slide the
TPU top towards the back of the unit.
Series 3000 Sonar System Operations and Maintenance Manual
200 VDC
On/Off
Towfish
Fuse
Switch
Power Supply
TPU
Power Supply
Host Computer Card
IRIG Card (Option)
Demultiplexer and
DSP Processing Card
Figure C-7:
SHOCK HAZARD AC Voltages and high level DC voltages are present
inside the TPU. Therefore only qualified individuals should access the unit
to this level.
Power
Fuse
Splitter
100 Base Tx LAN
COM1 Serial Port (System Setup)
Data
Trigger/IRIG In (Option)
Trigger Out 1 (Side Scan)
Trigger Out 2 (Responder)
COM2 Serial Port (NEMA Nav In)
COM3
COM4

TPU Block Diagram

Tow Cable
Data and 200VDC
11210066, Rev. 11