SEA-Serial I/O - Sync: ISA

ACB-III: 2 Port High-Speed Sync/Async RS-232 ISA DB25-P

ACB-V: 2 Port High-Speed Sync/Async V.35 ISA DB25

ACB-VI: 1 Port High-Speed Sync/Async Multiprotocol ISA

ACB 56: 1 Port High-Speed Sync/Async RS-232/V.35 ISA DB9+25-P

ACB-II/EX: 1 Port High-Speed Sync/Async RS-232/422/485 ISA DB25-P

ACB-II/EX-232: 1 Port High-Speed Sync/Async RS-232 ISA DB25-P

ACB 530: 2 Port High-Speed Sync/Async RS-422/485 ISA DB25

ROUTE 56: 1 Port RS-232/422/485/V.35 WAN Adapter ISA DB25-P

ACB(-G) High-Speed Option 85230-20

ACB Oscillators Option OSC20.000 20MHz