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ZP-503

RS232 to RS485 / 422 two-way interchange isolation lightning surge converter

ZP-7702G

2-ports PCI to RS485 / 422 photoelectric isolation high-speed serial card

ZP-503B

RS232 to RS485 / 422 Interchange Isolation Converter (Modbus)

ZP-7702GD

2-ports pcie to 485/422 photoelectric isolation high-speed serial card

ZP-1304

RS232 to 4-port RS485 bidirectional interchange isolation converter

ZP-704

4-ports pci to 232 high-speed multi-serial expansion card

ZP-1308

RS232 to 8-port RS485 bidirectional interchange isolation converter

ZP-7704G

4 -pcie RS232 to RS232 high-speed serial card industrial grade (with power suppl

ZP-704E

4口pcie转232高速多串口扩展卡（工业级）