SX Pro Serial Card
Keyspan SX Pro Serial Card, PCI, 1 Mbit/s, Wired, Mac OS 8.1 + Mac OS X , PCI 5V, 4x RS-422/RS-232 Serial
Keyspan SX Pro Serial Card. Host interface: PCI. Data transfer rate: 1 Mbit/s, Connectivity technology: Wired, Compatible operating systems: Mac OS 8.1 + Mac OS X