Proliant 6500 Hard Drive Cage 2x 5.25 Bays Input subsystem consisting of one D806R-AA subsystem and sixteen D806M-03 10-to-32-Vac/dc input modules. Proliant 6500 Hard Drive Cage 2x 5.25 Bays Output subsystem consisting of one D806R-AA subsystem and sixteen D806M-13 60-Vdc output modules. D806R-IO Input/output subsystem consisting of one D806R-AA I/O subsystem, one D806R-XA expansion option, sixteen D806M-03 input modules, and sixteen D806M-13 output modules. Proliant 6500 Hard Drive Cage 2x 5.25 Bays 120-Vac/dc digital input (IAC5) Proliant 6500 Hard Drive Cage 2x 5.25 Bays 02 240-Vac/dc digital input (IAC5A) D806M-03 10-to-32-Vac/dc digital input (IDC5) D806M-04 4-to-16-Vdc fast digital input (IAC5B) Proliant 6500 Hard Drive Cage 2x 5.25 Bays 120-Vac digital output module (OAC5) Proliant 6500 Hard Drive Cage 2x 5.25 Bays11 240-Vac digital output module (OAC5A) Proliant 6500 Hard Drive Cage 2x 5.25 Bays-12 120/240-Vac N.C. digital output (OAC5A5) D806M-13 60-Vdc digital output (ODC5) D806M-14 200-Vdc output (ODC5A) Proliant 6500 Hard Drive Cage 2x 5.25 Bays 12-bit A/D converter A1004 8-channel relay mux, two wire Proliant 6500 Hard Drive Cage 2x 5.25 Bays 8-channel relay mux, three wire Proliant 6500 Hard Drive Cage 2x 5.25 Bays 2-channel D/A, 10-bit Proliant 6500 Hard Drive Cage 2x 5.25 Bays 16-point mercury relay digital output, normally closed M8987 16-point dry reed, 10VA, normally open M8993 16-point isolated digital input Proliant 6500 Hard Drive Cage 2x 5.25 Bays 16-point mercury relay digital output, normally open M8997-YA 4-channel pulse counter for CMR21 M9050 Solder lug termination board Proliant 6500 Hard Drive Cage 2x 5.25 Bays 40-pin cable termination board