I-7188E1
I-7188E1D
I-7188E2
I-7188E2D
Note1: RS-232, RXD, TXD, CTS, RTS, GND
Note2: RS-232, RXD, TXD, GND
Note3: RS-485: Data+, Data-;Self-tuner inside
Note4: RS-232, RXD, TXD, CTS, RTS, DSR, DTR, DCD, RI, GND
Note5: RS-422, TXD+, TXD-, RXD+, RXD-