A1S55B-S1 EXTENSION UNIT : 5 I/O SLOTS  
 A1S65B-S1 EXTENSION UNIT : 5 I/O, POWER SUPPLY SLOTS  
 A1S68B-S1 EXTENSION UNIT : 8 I/O, POWER SUPPLY SLOTS
 A1S52B-S1 EXTENSION UNIT : 2 I/O SLOTS  
 A1S58B-S1 EXTENSION UNIT : 8 I/O SLOTS
 A1S61PN INPUT : AC 100 - 240VAC OUTPUT : DC 5V 8A
 A1S62PN INPUT : AC 100 - 220VAC OUTPUT : DC 5V 5A, DC 24V 0.8A  
 A1SHCPU CPU, BUILT IN 8KSTEPS RAM, MAX. I/O 256 
 A1S35B BASE UNIT: CPU, 5 I/O & POWER SUPPLY SLOTS  
 A1SNMCA-8KP MEMORY CASSETTE : 8K STEP EPROM 
 A1S63P INPUT : DC 24V OUTPUT : DC 5V 8A 
 A1SJHCPU CPU, BUILT IN 8KSTEPS RAM, MAX. I/O 256, 5 I/O SLOTS 
 A1S33B BASE UNIT: CPU, 3 I/O & POWER SUPPLY SLOTS 
 A1SNMCA-8KE MEMORY CASSETTE : 8K STEP EEPROM 
 A1S32B BASE UNIT: CPU, 2 I/O & POWER SUPPLY SLOTS 
 A1S38B BASE UNIT: CPU, 8 I/O & POWER SUPPLY SLOTS
 A1SNMCA-2KE MEMORY CASSETTE : 2K STEP EEPROM 
 A1SCPUC24-R2 CPU, BUILT IN 8KSTEPS RAM, MAX. I/O 256, RS232 PORT 
 A1S38B BASE UNIT: CPU, 8 I/O & POWER SUPPLY SLOTS 
 A2ASCPU-S60 CPU, BUILT IN 30KSTEPS RAM, MAX. I/O 1024, 0.15us/STEP 
 A2SMCA-60KE MEMORY CASSETTE : 60K STEP EEPROM 
 A2SMCA-14KP MEMORY CASSETTE : 14K STEP EPROM 
 A2ASCPU CPU, BUILT IN 14KSTEPS RAM, MAX. I/O 512, 0.2us/STEP  
 A2SHCPU CPU, BUILT IN 14KSTEPS RAM, MAX. I/O 512  
 A2ASCPU-S1 CPU, BUILT IN 14KSTEPS RAM, MAX. I/O 1024, 0.2us/STEP  
 A2SMCA-30KP MEMORY CASSETTE : 30K STEP EPROM 
 A2SHCPU-S1 CPU, BUILT IN 14KSTEPS RAM, MAX. I/O 1024 
 A2SNMCA-30KE MEMORY CASSETTE : 30K STEP EERPOM
 A2USHCPU-S1 CPU, BUILT IN 30KSTEPS RAM, MAX. I/O 1024, 0.09us/STEP