JRC JMA-9922-6XA Instruction Manual page 330

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Setting the DIP switches of the interswitch circuit (CCL-304)
◎
Set DIP switches SW11, SW12, and SW13 as follows:
SW 11
(1) Setting SW11 (Expansion mode setting and master/slave setting)
1 2 3 4
ON
OFF
SW 13 SW 12
Interswitch circuit board
CCL-304
Expansion mode setting
4 Description
ON Expansion mode
OFF Normal mode
Master/slave setting
3 Description
ON
OFF
Not used
1, 2 Description
ON Not used
OFF Not used
A-12
Select OFF to connect up to four
units.
In expansion mode, select ON
for the ISW circuit board at the
Slave slave side.
Master
Select OFF.