Full Nine-Wire RS232 Isolation
The product title and model-matched enclosure identify an active full nine-wire RS232 photoelectric isolation repeater.
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IOT9019
Add full nine-wire RS232 photoelectric isolation to help protect an industrial serial link from electrical interference and transient events.
DTECH IOT9019 is an active nine-wire RS232 photoelectric isolation repeater with 2000Vrms optical isolation and source-listed industrial protection features.
Hover to zoomDTECH IOT9019 RS232 serial photoelectric isolator on a white background
A practical path for bringing installed serial equipment into modern industrial data networks.
The IOT9019 is an active, full nine-wire RS232 photoelectric isolation repeater for industrial serial communication paths that need electrical separation.
The verified legacy source specifies 2000Vrms optical isolation, a DC/DC power-isolation module, operation from −20°C to 85°C, about 15kV ESD protection and three-level lightning-surge protection.
Core capabilities selected for reliable integration, flexible deployment and efficient maintenance.
The product title and model-matched enclosure identify an active full nine-wire RS232 photoelectric isolation repeater.
The legacy product page specifies built-in 2000Vrms optical isolation to separate the connected serial path.
The source reports industrial-standard testing for normal operation from −20°C to 85°C.
The verified source lists anti-lightning, short-circuit, surge and static protection, about 15kV ESD protection and three-level lightning-surge protection.
Explore practical deployment scenarios for this DTECH industrial connectivity product.

Add electrical separation to a full nine-wire RS232 connection in an industrial communication path.

Use an isolated RS232 path when troubleshooting or maintaining connected industrial equipment.
See how this product fits into an industrial serial communication network.

Verified configuration details for engineering review and product selection.
Use the solution architecture and technical guide to confirm this product's role before final model selection.
Assess interface signaling, isolation needs, protection exposure and commissioning checks before connecting serial equipment.
View Resource Technical GuideUse an isolation device when electrical separation is required for a serial path; verify the full signal and protection requirements first.
View ResourceVerified answers for product selection and project planning.
The verified legacy product page identifies IOT9019 as an active full nine-wire RS232 photoelectric isolation repeater.
The source specifies built-in 2000Vrms optical isolation.
The source reports industrial-standard testing for normal operation from −20°C to 85°C.
Share your device interfaces, network environment and project requirements with the DTECH industrial communication team.