Solutions M-2001 Adapter Panels Search by Beckwith’s model number below or search the Adapter Panel Quick Reference Guide. M-2053 M-2067B M-2131 M-2148 M-2168 M-2174B M-2220 M-2230 M-2264B M-2270B M-2271B M-2278 M-2279D M-2280B M-2286 M-2293B M-2299 M-2302 M-2323B M-2324C M-2326 M-2339 M-2345A M-2347 M-2354C M-2355B M-2355Q M-2356B M-2379