i-7188EN series Ethernet to serial port converter

The converter is a bridge between the Ethernet and RS-232/422/485. After installing a VxComm driver on the PC, you can create Virtual COM ports mapped to the COM ports of the 7188E. The original software (based on COM port) can talk to remote RS-232/422/485 devices via the Ethernet and without any modification. It is most cost effective method to upgrade your original serial device to with Ethernet communication ability. 
Model
CPU
SRAM
Flash
DI
DO
Ethernet Port
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
(Note2)
40M Hz
384K
512K
-
-
10
Base-T
RS-232 (Note1)
-
-
-
-
-
-
-
40M Hz
384K
512K
-
-
10
Base-T
RS-232 (Note1)
RS-485
(Note3)
-
-
-
-
-
-
40M Hz
384K
512K
4
4
10
Base-T
RS-232 (Note1)
RS-485
(Note3)
RS-422
(Note5)
-
-
-
-
-
40M Hz
384K
512K
4
4
10
Base-T
RS-232 (Note1)
RS-485
(Note3)
RS-232 (Note1)
-
-
-
-
-
40M Hz
384K
512K
-
-
10
Base-T
RS-232 (Note1)
RS-485
(Note3)
RS-232 (Note1)
RS-232 (Note4)
-
-
-
-
40M Hz
384K
512K
-
-
10
Base-T
RS-232 (Note1)
RS-485
(Note3)
RS-232 (Note1)
RS-232 (Note1)
RS-232 (Note1)
-
-
-
i-7188E5-485
40M Hz
384K
512K
-
-
10
Base-T
RS-232 (Note1)
RS-485
(Note3)
RS-485
(Note3)
RS-485
(Note3)
RS-485
(Note3)
-
-
-
i-7188E5D-485
i-7188E8
40M Hz
384K
512K
-
-
10
Base-T
RS-232 (Note1)
RS-485
(Note3)
RS-232
(Note2)
RS-232 (Note2)
RS-232 (Note2)
RS-232 (Note2)
RS-232 (Note2)
RS-232 (Note2)
i-7188E8D

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-
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