Controllers Compatible with all of our fast steering mirror heads OIM 100 REV A Standard Analog Controller Comes with power supply and BNC AdapterBox size 2 x 4 x 6 inchesBest choice for laboratory work User Manual Solid Model OIM 101A small oem controller 9 pin I/O connectorcommand inputs, position and error outputssmall size suitable for OEM applications User Manual Solid Model OIM 101 B small oem controller 12 pin I/O connectorcommand inputs, position and error outputsexternal control switch and inputssmall size suitable for OEM applications User Manual Solid Model OIM 101 D REV A small oem controller 9 pin I/O connectorbuilt in DC/DC converter allows single voltage power supplycommand inputs, position and error outputssmall size suitable for OEM applications User Manual Solid Model OIM 101 REV E small oem controller 9 pin I/O connectoroptional DC/DC converter allows single voltage power supplycommand inputs, position and error outputssmall size suitable for OEM applicationsbeam stablizer card added User Manual Solid Model OIM 201 REV A digital pot controller allows analog and RS485 serial connectionPID parameters adjustable through serial connection User Manual Solid Model