AW-D117 Addressable annunciator board is 24 zone board, one AW-D117 can be connected with 4 pieces for AW-D118 Expansion card 24 zones, which can be configured at the site as per layout drawing (Maximum 120 zones)
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AW-D117 Addressable annunciator board is 24 zone board, one AW-D117 can be connected with 4 pieces for AW-D118 Expansion card 24 zones, which can be configured at the site as per layout drawing (Maximum 120 zones)