protection to protect the products from harmful electrical discharge,
and separate RS-232 and RS-422/485 interfaces are built into the
OnCell G2151I, each with 2.5 kV RMS isolation protection for one
minute. The two serial interfaces on the OnCell G2151I make it ideal
for attaching all kinds of devices, such as stand-alone controllers, PC
COM ports, and multi-dropped electric meters. In addition, the OnCell