ລາຍລະອຽດຂອງຜະລິດຕະພັນລາຍລະອຽດ Modular managed Industrial Switch, fanless design, 19" rack mount, according to IEEE 802.3, HiOS Release 8.7 Part Number 942135001 Port type and quantity Ports in total up to 28 Basic unit 12 fixed ports FE 4 x GE TX/2.5GE SFP plus slots. ສາມາດຂະຫຍາຍໄດ້ດ້ວຍສອງຊ່ອງໂມດູນສື່;