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3-8
5. If sending and receiving acoustic telemetry modem commands and
data, connect the serial port of a PC to the COM1 connector. Refer to
Figure 3-8 for the connector pin orientation, and to Table 3-5 for the
pinout information.
PIN
2
3
4
5
6
7
8
WARNING When disconnecting the deck box, do not pack any cables
inside the UDB-9000 case, as doing so may damage the touch screen
display.
User's Manual
Figure 3-8 COM1 Connector
Table 3-5 COM1 Connector Pinouts
LABEL
TXD/RX(-)
RS-232 Transmit/RS-422 Receive(-)
RXD
RS-232 Receive
TX(+)
RS-422 Transmit(+)
GND
Common Ground
TX(-)
RS-422 Transmit(-)
CTS
Clear to Send
RTS/RX(+)
Request to Send/RS-422 Receive(+)
DESCRIPTION
TELEDYNE BENTHOS
SIGNAL
DIRECTION
Modem to Host/
Host to Modem
Host to Modem
Modem to Host
Modem to Host
Host to Modem
Modem to Host/
Host to Modem
P/N M-270-10, Rev. B
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