This is the IOP ONLY file. Each IOP card file accommodates up to 15 IOPs. A total of eight card files, including APMM (PMM) card files, can exist in a single Advanced Process Manager (Process Manager).

IOP card files can be installed at remote locations as well as locally in the APM (PM) cabinet or cabinet complex. A total of 40 primary IOPs, 40 secondary (redundant) IOPs, and 3 I/O Link Extenders (a maximum of 8 I/O Link Extender cards) can exist in a single APM (PM) subsystem.