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Fig. 4.4.4 b) Serial and USB ports on the control unit board
The diagram of the serial cable to be used is shown on page 7.
The "Test Command" is used to check the correct connection between the control
unit and the PC. Each time data is exchanged between the control unit and the PC, to
establish the connection, the program requires a password to be entered (Serial
Password). The password entered is compared with the one resident in the control unit
and the connection is established.
The password, by default 000000, can be changed through the option "Change central
unit password".
Warning. If the new password is lost, it will no longer be possible to access the
control unit.
NFG-8
NFG-8_manu-inst_ITA
USB
SWITCH
Fig. 4.4.4 c) Serial password input request
Installation and Operation
Manual
Doc. M-040.1-NFG8-EN
Rev A.3
Rs232
PAGE - 11
NOTIFIER ITALY
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