FRM220-CH01, one-slot chassis with external AC power adapter
FRM220-CH01-AC, one-slot chassis with built-in AC power
FRM220-CH01-DC, one-slot chassis with built-in DC18-75V power
FRM220-CH01-AD, one-slot chassis with built-in AC and DC18-75V powers
FRM220-CH01M-AC, one-slot chassis with RS232 console port and built-in AC power
FRM220-CH01M-AD, one-slot chassis with RS232 console port and built-in AC and DC18-75V powers
