typedef enum tag_BOARD_TYPE { BOARD_TYPE_NULL = 0, BOARD_TYPE_CONTROL_BCM5670, BOARD_TYPE_LINE_24_GE_FIBER_BCM56504, BOARD_TYPE_LINE_24_GE_COPPER_BCM56504, BOARD_TYPE_LINE_24_GE_COPPER_BCM56524, BOARD_TYPE_LINE_8_10GE_FIBER_BCM56820, BOARD_TYPE_LINE_8PON_6GE_BCM56524, BOARD_TYPE_CONTROL_BCM56720, BOARD_TYPE_LINE_8GPON_8GE_BCM56684, BOARD_TYPE_LINE_4pon_4_10GE_BCM56821, BOARD_TYPE_NUM }BOARD_TYPE;