Mystery DEC backplane on eBay

[Noel Chiappa]

For those who saw this item:

  https://www.ebay.com/itm/183639487495

but didn't know what it went to (Web searches for "5409818" and "5009817"
didn't turn up anything useful for me), it turns out to be a "Configuration
2" backplane for a PDP-11/05-/10:

  http://gunkies.org/wiki/PDP-11/05#Backplane_versions  

with slots for one MM11-L memory unit, and 4 SPC slots.

	Noel