Moxa TCC-80 Port-powered RS-232 to RS-422/485 converter with 15 KV serial ESD protection and terminal block on the RS-422/485 side. price in UAE | Amazon UAE | kanbkam
Moxa CP-114UL-DB9M 4-port RS-232/422/485 low profile Universal PCI serial board, 0 to 55C operating temperature includes DB9 male cable price in UAE | Amazon UAE | kanbkam