SiiNunit
{
sign_template : _nameless.239.14e7.6980 {
 template_name: re_dynamic_tunnel_info
 model_name: at_2k001
 stand_model_name: ""
 traffic_rule: null
 boards: 3
 boards[0]: _nameless.238.623e.5b30
 boards[1]: _nameless.238.623e.5ce0
 boards[2]: _nameless.238.623e.5440
 items: 0
 dynamic_attributes: 0
}

sign_template_board_binding : _nameless.238.623e.5b30 {
 area_name: board1
 linked_board: sign_board.user_m_0004f
}

sign_template_board_binding : _nameless.238.623e.5ce0 {
 area_name: board2
 linked_board: sign_board.user_m_0004g
}

sign_template_board_binding : _nameless.238.623e.5440 {
 area_name: board3
 linked_board: sign_board.user_m_0004f
}

}
