Digital MicroPDP 11/53

Unnamed as of yet, a MicroPDP 11/53

It's configuration is as follows:
Case BA-123 -
CPU J-11 11/53
Clock Speed - -
BUS QBUS 22 bit
Memory 512 KB -
DU0 RD32 ? MB
DU1 RD54 154 MB
MU0 TK50 95 MB
Monitor - Text Terminal

This machine is mounted in a BA123 cabinet, which I took a retired MicroVAX II machine.