FOR PCI-1739U REV.A1 48-Channel TTL Digital I/O Isolation Relay Data Capture Card

Replacement PCI card PCI-1739U REV.A1 featuring an isolation-relay design and 48 TTL-level digital channels. Each channel supports digital input or digital output operation, making the card suitable for data capture and general-purpose digital I/O tasks. The isolation relays protect the host system while enabling reliable signal acquisition and control. Ideal for applications that require a PCI form-factor card with 48-channel TTL digital I/O capability — model PCI-1739U REV.A1.