Sw1 Dip Switch Configuration; Configuration Of Jp1 And Jp2 Jumpers - Videotec DCFIT Manuel D'instructions

SW1 Dip switch configuration

Refer to Figure 1 of page 5 and identify the SW1 switch position:
Configure the dip switches on SW1, according to the requirements of the installed system and refer to the
following table:
Dip Position
Dip1 OFF
Dip1
Dip2 OFF
Dip2
Dip3 OFF
Dip3
Dip4 OFF
Dip4
Notes:
(*) Dip2 must be in the ON position only if keyboards SWC4, SWC8 and DCMT8 at 9600 baud are used.
Otherwise it must always be in the default (OFF) position.
(**)During normal operation, always leave Dip3 in the OFF position.
(***) To prevent transmission errors on the RS485 line, set Dip4 to the ON position (load inserted).
Moreover, make sure that keyboards or matrixes operating in RS485 have the load inserted in the RS485
line that communicates with the DCFIT.

Configuration of JP1 and JP2 Jumpers

Refer to Figure 1 on page 5 and identify the position of the JP1 and JP2 jumpers. Set the jumpers in
position A or B according to system requirements (see the Connections section on page 7):
ON
ON Current loop compensation 20mA at 9600 baud (*)
ON
ON
Function
9600 baud
1200 baud
Normal mode
Normal mode
Test mode(**)
Load on RS485 line disabled
Load on RS485 line enabled (***)
Table 1
JP1 and JP2 Jumpers in position A
JP1 and JP2 Jumpers in position B
Page. 6
Default
X
X
X
X
DCFIT_5002