RM-3 Rack Mount Adaptor. For use with ACE-315, ACE-515, ACE-615, BOS-510, GCA-510, SLC-505, GCD-575, GDA-600, GDA-700, GDD-1, GFA-535, GFA-535II, GFA-535L, GFA-5200, GFP-345, GFP-555, GFP-555II, GFP-565, GFP-710, GFP-715, GFP-750, GFS-4, GFS-6, GFS-600, GFT-555, GFT-555II, GTP-350, GTP-400, GTP-450, GTP-500, GTP-500II, GTP-502, GTP-506, GFA-5002 and GFA-6002
