VER 1.29_s1 Release Dec/12/2003
The I-7188EG COM1 & COM2 connect to the I-7000 & 87K remote I/O module's.
The same time only COM1 or COM2 can communicate to remote I/O module.   
When active COM port is dead,the other one takes the control right to keep these remote I/Os working well.
Only the I-7188EG ethernet port can connect to your PC.

Add library:
The "bus7000A" only for 1.29_s1 version.
Please adding "bus7000A.xia" to ISaGRAF libaray foe IO complex equiments.
Refer to ISaGRAF Manual Appendix A.2.