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iVIEW-100 Series user’s Manual, 2006, v2.0 ----- 95
Two independent COM port:
Port Description
COM1
For general purpose 3-wire RS-232 application
UART-0 of 80188
COM2
Direct control 7000 series modules
For general purpose 3-wire RS-232 application
For general purpose 2-wire RS-485 application
UART-1 of 80188
WARNING 1: The COM2 is not isolated to CPU. If there is large noise in the
RS-485 network, the iVIEW-100 may be damaged. It is recommended to add
an I-7510 repeater between the COM2 & external RS-485 network for harsh
environments.
NOTE:
The I-7510 can be used to isolate the iVIEW-100 from the noisy RS-485
network.
The I-7510 can be used to extend the RS-485 network distance more than
1.2Km.
The I-7510 can be used to extend the 7000 modules to more than 256
modules.