RS485/422中继器工业级-HK-5109

RS232串口服务器-HK-8132

工业级8口RS232转TCPIP串口服务器-HK-8108A

rs485集线器一拖四-HK-5110A

多串口卡-HK-1108

PCI扩展232多串口卡HK-802D

485集线器一拖八-HK-5112

工业级多串口卡RS232-HK-1104

RS232多串口卡-HK-1112S

PCI扩展卡4口RS232多串口卡-HK-1114

PCI多串口卡232-HK-1118

PCI-E转8口RS232多串口卡-HK-1218