Siemens UL 1066 Operating Instructions Manual page 175

Local operation
The circuit breaker is parameterized directly on site. The parameter settings can also be saved on the laptop computer and the diagnostic
data of the circuit breaker can be read.
(1) Browser-capable input/output unit (e.g. laptop computer)
24 V DC voltage supply if no voltage supply is provided via the c
(2)
(3) BDA or BDA PLUS
(4) Test socket of the trip unit (40-pole)
(5) Connection cable SUB-D, 15-pole (BDA) to SUB-D, 40-pole (test socket of trip unit)
(6) RS232 interface SUB-D, 9-pole
Remote access via modem
The circuit breaker data, including parameterization, can be accessed from any remote location.
(1) Browser-capable input/output device (e.g. laptop computer)
(2) Modem
(3) BDA PLUS
External c-module
(4)
(5) Connection cable SUB-D, 15-pole (BDA) to RJ45 plug (c connection)
(6) RS232 interface SUB-D, 9-pole
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