RS-232/422/485 Converter/Repeater/Hub
Model Function Interface Isolation
tM-7520U Converter RS-232 to RS-485 2500 VDC Isolation on RS-232 side
I-7520 3000 VDC Isolation on RS-232 side
I-7520R 3000 VDC Isolation on RS-485 side
I-7520A RS-232 to RS-422/485 3000 VDC Isolation on RS-232 side
I-7520AR 3000 VDC Isolation on RS-422/485 side
I-7520U4 Converter and 4-Channel Hub RS-232 to RS-485 2500 VDC Isolation 
I-7551 Repeater RS-232 to RS-232 3000 VDC Isolation on 3 ways
tM-7510U Repeater RS-485 2500 VDC Isolation 
I-7510 3000 VDC Isolation 
I-7510P 5000 VDC Isolation on 3 ways
I-7510A Repeater RS-422/485 3000 VDC Isolation 
I-7510AR 3000 VDC Isolation on 3 ways
I-7513 3-Channel Hub RS-485 3000 VDC Isolation on 3 ways
I-7514U 4-Channel Hub 2500 VDC Isolation 
 
USB to RS-232/422/485 Converter/Hub
Model Function Interface Isolation
I-7560 Converter USB to RS-232 Non-isolated
I-7560U
tM-7561 USB to RS-485 2500 VDC Isolation on RS-485 side
USB-2514 USB to 4-Port RS-232 Converter Non-isolated
I-7561 USB to RS-232/422/485 3000 VDC Isolation on RS-232/422/485 side
I-7561U
I-7563 Converter and 3-Channel Hub USB to RS-485 Hub 3000 VDC Isolation on RS-485 side
I-7563U
 
CAN/PROFIBUS & RS-232/422/485 Converter
Model Function Interface Isolation
I-7530 Converter RS-232 to CAN 3000 VDC Isolation on CAN side
I-7530A-MR Modbus RTU to CAN 3000 VDC Isolation on CAN and UART side
I-7530A RS-232/422/485 to CAN 3000 VDC Isolation on CAN side
I-7530-FT RS-232 to low speed fault tolerant CAN
I-7550-B PROFIBUS to RS-232/422/485 3000 VDC Isolation on PROFIBUS side
I-7550-M
 
Fiber Optics Converter
Model Function Interface       Fiber Optics Connector       Mode Communication Distance
I-2541 Converter RS-232/422/485 to Fiber Optics ST type Multi-mode 2 km
I-2542-A SC type Single-mode 15 km
I-2542-B
I-2542-A25 25 km
I-2542-B25
Note: You must purchase both I-2542-A + I-2542-B or I-2542-A25 + I-2542-B25 since these products work as a pair.