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20
8
Jumpers
8.1
PRX-40/B
Jumper
Function
Default
JP2 (SMD)
JP2 closed and JP3 open = 13 digits decoding
JP2 open and JP3 closed = 14 digits decoding
13 digits
JP3 (SMD)
JP4 (SMD)
Cross point decoding (currently NA)
JP7 (SMD)
Connect RS-485 termination resistor
Open
JP10 (TH)
W.D. Reset for the master CPU- [1-2] Closed
Programming of the master CPU - [2-3] Closed
[1-2] closed
JP11(TH)
PSEN (Programming) - must be closed when programming
the master CPU.
Open
JP12 (SMD)
Tamper switch enabled [1-2] closed
Tamper switch disabled [2-3] closed
[2-3] closed
JP20 (T.H)
Closed- Stand alone
Open- Online with Master
Closed
JP21 (T.H)
Contacts switching protection in DC- closed
Contacts switching protection in AC- open
Closed
JP22 (SMD)
Connecting clock to slave CPU
[2-3] closed
JP23 (T.H)
Select sensor option:
[1-2] and [3-4] Closed - dry contact
[2-3] Closed - AC/DC
[1-2] and [3-
4] closed
JP24 (T.H)
Reset for the slave/reader CPU- [2-3] closed
Programming of the slave/reader CPU [1-2] Closed
[2-3] closed