CM2 Sidescan Sonar User Manual 14. Interfaces
14. INTERFACES
Towfish/Tow Cable Interface
Wet end interface
Mechanical: CM2 terminator, bail arm assembly and tow cable extension
Electrical: SubConn Micro 3 female (or equivalent)
Data = pins 2 and 3, polarity not significant; balancing signal (in tow cable extension only) = pin 1
STR Interface (early type)
Tow cable or winch deck cable
BNC, polarity not significant
PC link
USB type B socket; USB1.1 or 2.0
Power input
2.5mm DC jack socket, central pin = +ve; see STR Specifications for power requirements
STR Interface (later type)
Tow cable or winch deck cable
MIL-C-5015, size 10, threaded, 2-way bulkhead connector
Sockets A and B; polarity not significant
PC link
USB type B socket; USB1.1 or 2.0
Power input
MIL-C-5015 size 14, threaded, 4-way bulkhead connector
Pin A = +ve, pin B = gnd; see STR Specifications for power requirements
C-Shell Interface
PC link
MIL-C-5015, size 14, threaded, 4-way bulkhead connector
Pin A = gnd, pin B = 5V, pin C = data-, pin D = data+ ; USB1.1 or 2.0
Tow cable or winch deck cable
MIL-C-5015, size 10, threaded, 2-way bulkhead connector
Sockets A and B; polarity not significant
Power input
MIL-C-5015, size 10, threaded, 2-way bulkhead connector
Pin A = +ve, pin B = gnd; see C-Shell Specifications for power requirements
C-Case 2 Interface
Tow cable or winch deck cable
BNC, polarity not significant
Navigation data input
9-way D-type serial port
Counting pulley input
9-way D-type serial port
Printer output
25-way D-type parallel (Centronics) port
AC power input (see C-Case Specifications for power requirements)
Bulgin Buccaneer, 3-way male bulkhead connector
Pin L = AC live; pin N = AC neutral; pin E = gnd; see C-Case Specifications for power requirements
DC power input (see C-Case Specifications for power requirements)
Bulgin Buccaneer, 2-way male bulkhead connector
Pin L = DC +ve, pin N = DC -ve; see C-Case Specifications for power requirements
Version 3.6 (2008)
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