Christian Gauger-Cosgrove wrote:
  The PDP-11 module field guide at
 
http://world.std.com/~mbg/pdp11-field-guide.txt says it is a SCSI disk
 controller that emulates an MSCP controller for one to four disks. 
I think you must have misread something.  The CS02 is definitely a comms
controller.  It emulates a DH11/DHV11.  The manual is on bitsavers.
--
Pete                                            Peter Turnbull
                                                Network Manager
                                                University of York