The utility model relates to an interface device in the network communication equipment is a take color marking's quartzy head, including quartzy first body, gold sheet, the heart yearn recess, the wing is detained, quartzy first body upper end is equipped with the wing and detains, quartzy this internal upper end of head is equipped with the heart yearn recess, quartzy this internal lower extreme portion of head is equipped with the gold sheet mounting groove, be equipped with gold sheet protection baffle plate on the gold sheet mounting groove leading flank upper end, be equipped with gold sheet in the gold sheet mounting groove, quartzy first body leading flank top -down is the heart yearn recess in proper order, gold sheet protection baffle plate and gold sheet mounting groove, the wing is detained on the quartzy first body of end and all to be equipped with the color marking subsides on side and the gold sheet protection baffle plate leading flank, the colour expresses that downside is equipped with the glue film, the colour mark attach side middle part interval be equipped with with heart yearn groove position and the corresponding complex color strip of width, the colour is marked and is attached a side left side, right side both sides are equipped with left side direction indicate block and right side direction indicate block respectively, convenient operation has, and is simple and practical, advantage such as be convenient for check.