Peripheral Component Interconnect (PCI) is a local computer bus for attaching hardware devices in a computer and is part of the PCI Local Bus standard.

EXC-1394PCI
EXC-1394PCI card, which is an intelligent test and simulation card for interfacing to an IEEE-1394 data bus. It implements a 1394b PHY layer, operating at 100, 200, or 400 Mbps. The EXC-1394PCI card provides up to three fully independent nodes; each node having three full duplex ports associated with it, and 2 MB of memory for message data and control registers.  
1394PCI datasheet 1394PCI Hardware Manual 1394PCI Software Manual
EXC-1553PCI/MCH-x
The EXC-1553PCI/MCH-x is a multi-channel (up to four channels) MIL-STD-1553 interface board for PCI compatible computers.
Datasheet Hardware Manual Software Manual Merlin MCH Software Manual
EXC-2000PCI Multi-Protocol Board
The EXC-2000PCI is a multi-protocol test and simulation board for PCI based computers - up to 2 modules
2000PCI datasheet 2000PCI Hardware Manual 2000 Family Software Manual
EXC-4000PCI Multi-Protocol Board
The EXC-4000PCI is a multi-protocol test and simulation board for PCI computers - up to 4 modules
4000PCI Hardware Manual 4000PCI Datasheet 4000PCIHC data sheet 4000PCI-HC Hardware Manual 4000 Family Software Manual X4K adapter cable