... RS232 Serial Card, 64 Bit, 2000 V Surge Protection,UK Chip Features:Plug and PlayAdopt RS232 serial port expansion ... card of 64 UK chipsNo switch, no jump line, easy setting by ... to 921.6 KBPSMore than 900 KBPS data throughput, top efficiency gradeSupports 2000 V surge protectionSupports 256 byte FIFO ... Serial Card, 64 Bit, 2000 V Surge Protection,UK Chip