For the following products:
iDR-4
iDR-IN
iDR-OUT
iDR-SWITCH
iDR D-IN
iDR D-OUT
PL-9
Rack Ears, to allow mounting in a standard 19" rack, are supplied with the product, but if you need to order more here are the part codes:
part no. description
AA4593-L Rack Ear LEFT
AA4593-R Rack Ear RIGHT
AB0074 SCREW M3X8 CSK TORX BK. 4 NEEDED/2 PER EAR