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Communication of the System
1.5 2 modules or above are applied to outdoor units and the Qty of the indoor units is greater than （ N × 16 ） :
When the Qty of indoor units is greater than
（
N
×
16
）
, the extra pinboards should be added. The Qty of
adding pinboards is :[ total indoor units –(N
×
16
）
]/16. The Qty of indoor units that each pinboards connects
should less than or equal to 16 sets and the interface port of corresponding pinboard is CN4.
Communication
interface port
CN4 of
pinboards