M320 Redundant Options
| PRODUCT ID | DESCRIPTION | QUOTE |
| SIB-M-R | Redundant Switch Interconnect Board | |
| PWR-M-AC-R | AC Power Entry Module, Redundant (for M320BASE-AC-EC only) | |
| PWR-M-DC-R | DC Power Entry Module, Redundant (for M320BASE-DC-EC only) | |
| CB-M-R | Control Board, Redundant | |
| RE-1600-2048-R | Routing engine with 1600MHz panel and 2GB memory, Redundant |
