G1 24 point mounting rack c/edge
Quad Pak I/O family
The PB24Q I/O mounting rack can accommodate up to six Quad Pak I/O modules for a total of 24 I/O channels. This mounting rack uses a 50-pin card edge connector for interface to computer parallel I/O ports via a 50-conductor ribbon cable. The mounting rack features a replaceable 5-amp fuse for each pair of I/O module positions.