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Advantech has developed the most extensive line of USB to serial converters, industrial USB hubs, and Industrial USB 2.0 Isolators on the market. They are built tough to handle the most demanding environments; our products are rugged and reliable. Look for the orange connector -- you’ll find a high retention port that’s 50% stronger than a conventional USB port. It won’t let go until you want it too. Plus, it works with any standard USB Cable. You'll also find isolation protection built into many of our USB products. It prevents common surges, spikes and ground loops from damaging your equipment.
Feature Highlights
USB Port-powered and Locked Serial Number Design Eases Installation
- Powered by the USB host port.
- Locked serial number, lets you plug-and-play without having to worry about re-installing drivers.
- Compact size fits anywhere, ideal for field services.
High-retention USB Connector Grips Cable Tight for High-vibration Applications
- 50% stronger withdrawal force than standard USB connectors.
- Withstands 3.4 lbs pull force.
- Stays connected in high vibration environments.
Surge / ESD / Isolation / Wide Temperature for Heavy-duty Applications
- 15 kV air, 8 kV contact ESD protection.
- Wide operating temperature range (-40° to +80°C).
- 4 kV isolation protection for equipment and data.
Quick Find
| Part Number | Description | Certification | Downstream USB Port | Environment | General | Mechanism | Power | Protection | Serial Communication | Upstream USB Port | USB Communication | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Safety | Connector Type | Port Number | Standard | Operating Temperature | Temperature (Operating Range) | Isolation | Mounting | Power | Serial Connector | Serial Port Count | Serial Type | Temperature | Enclosure (Metal) | Power Input (DC) | Power Input (USB) | Isolation | Serial Port Connector Type | Serial Port Number | Serial Standard | Connector Type | Locked Serial Number | ||
| Part Number | Description | Certification | Downstream USB Port | Environment | General | Mechanism | Power | Protection | Serial Communication | Upstream USB Port | USB Communication | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Safety | Connector Type | Port Number | Standard | Operating Temperature | Temperature (Operating Range) | Isolation | Mounting | Power | Serial Connector | Serial Port Count | Serial Type | Temperature | Enclosure (Metal) | Power Input (DC) | Power Input (USB) | Isolation | Serial Port Connector Type | Serial Port Number | Serial Standard | Connector Type | Locked Serial Number | ||
| ADAM-4561-CE | Isolated USB to RS-232/422/485 Converter | N/A | N/A | N/A | N/A | -10~70 °C (14~158 °F) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| ADAM-4562-AE | Isolated USB to RS-232 Converter | N/A | N/A | N/A | N/A | -10~70 °C (14~158 °F) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| BB-00-00347 | USB Extender, 4 Port, USB 2.0 over CAT 5e, 100m, US Power Supply | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | North America | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| BB-00-00376 | USB Extender, 4 Port, USB 2.0 over Gigabit LAN, 100m, US Power Supply | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | North America | N/A | N/A | N/A | 0 to 50C | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| BB-00-00391 | USB Extender, 1 Port, USB 2.0 over CAT 5e, 100m, US Power Supply | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| BB-232USB9M | ULI-321D - USB 2.0 to RS-232 Converter, DB9 Male | N/A | N/A | N/A | N/A | N/A | 0 ~ 70°C (32 ~ 158°F) | N/A | Inline | Bus Powered | DB9 Male | 1 | RS-232 | 0 to 70C | N/A | N/A | Port-Powered from USB host (5 VDC) | N/A | DB9 male | 1 | RS-232 | Type B (Female) | N/A |
| BB-232USB9M-LS | ULI-321DK - USB 2.0 to RS-232 Converter, DB9 Male. Locked Serial Number | N/A | N/A | N/A | N/A | N/A | 0 ~ 70°C (32 ~ 158°F) | N/A | Inline | Bus Powered | DB9 Male | 1 | RS-232 | 0 to 70C | N/A | N/A | Port-Powered from USB host (5 VDC) | N/A | DB9 male | 1 | RS-232 | Type B (Female) | Yes |
| BB-485USB9F-2W | ULI-361D - USB to RS-485 2 Wire (DB9 Female) Converter | N/A | N/A | N/A | N/A | N/A | 0 ~ 70°C (32 ~ 158°F) | N/A | Inline | Bus Powered | DB9 Female | 1 | RS-485 2-wire | 0 to 70C | N/A | N/A | Port-Powered from USB host (5 VDC) | N/A | DB9 Female | 1 | RS-485 | Type B (Female) | N/A |
| BB-485USB9F-2W-LS | ULI-361DK - USB to RS-485 2 Wire (DB9 Female) Converter. Locked Serial Number | N/A | N/A | N/A | N/A | N/A | 0 ~ 70°C (32 ~ 158°F) | N/A | Inline | Bus Powered | DB9 Female | 1 | RS-485 2-wire | 0 to 70C | N/A | N/A | Port-Powered from USB host (5 VDC) | N/A | DB9 Female | 1 | RS-485 | Type B (Female) | Yes |
| BB-485USB9F-4W | ULI-351D - USB to RS-485 4 Wire (DB9 Female) Converter | N/A | N/A | N/A | N/A | N/A | 0 ~ 70°C (32 ~ 158°F) | N/A | Inline | Bus Powered | DB9 Female | 1 | RS-485 4-wire | 0 to 70C | N/A | N/A | Port-Powered from USB host (5 VDC) | N/A | DB9 Female | 1 | RS-485 | Type B (Female) | N/A |
| BB-485USB9F-4W-LS | ULI-351DK - USB to RS-485 4 Wire (DB9 Female) Converter Locked Serial Number | N/A | N/A | N/A | N/A | N/A | 0 ~ 70°C (32 ~ 158°F) | N/A | Inline | Bus Powered | DB9 Female | 1 | RS-485 4-wire | 0 to 70C | N/A | N/A | Port-Powered from USB host (5 VDC) | N/A | DB9 Female | N/A | RS-485 | Type B (Female) | Yes |
| BB-485USBTB-2W-A | ULI-361T - USB to RS-485 2 Wire (Terminal Block) Converter | N/A | N/A | N/A | N/A | N/A | 0 ~ 70°C (32 ~ 158°F) | N/A | Inline | Bus Powered | Terminal Block | 1 | RS-485 2-wire | 0 to 70C | N/A | N/A | Port-Powered from USB host (5 VDC) | N/A | Terminal block | 1 | RS-485 | Type B (Female) High Retention | N/A |
| BB-485USBTB2WLS-A | ULI-361TK - USB to RS-485 2 Wire (Terminal Block) Converter. Locked Serail Number | N/A | N/A | N/A | N/A | N/A | 0 ~ 70°C (32 ~ 158°F) | N/A | Inline | Bus Powered | Terminal Block | 1 | RS-485 2-wire | 0 to 70C | N/A | N/A | Port-Powered from USB host (5 VDC) | N/A | Terminal block | 1 | RS-485 | Type B (Female) High Retention | Yes |
| BB-485USBTB-4W-A | ULI-351T - USB to RS-485 4 Wire (Terminal Blaock) Converter | N/A | N/A | N/A | N/A | N/A | 0 ~ 70°C (32 ~ 158°F) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | Port-Powered from USB host (5 VDC) | N/A | Terminal block | 1 | RS-485 | Type B (Female) High Retention | N/A |
| BB-485USBTB4WLS-A | ULI-351TK - USB to RS-485 4-W (TB) Converter Locked Serial Number | N/A | N/A | N/A | N/A | N/A | 0 ~ 70°C (32 ~ 158°F) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | Port-Powered from USB host (5 VDC) | N/A | Terminal block | 1 | RS-485 | Type B (Female) High Retention | Yes |
| BB-PS12VLB-INT-MED | Power Supply, AC to 12 VDC Medical-grade, Locking Plug | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| BB-TTL3USB9M | Serial Converter, USB 2.0 to 3.3 V TTL DB9 M | N/A | N/A | N/A | N/A | N/A | N/A | N/A | Inline | Bus Powered | DB9 Male | 1 | TTL 3V | 0 to 70C | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| BB-UH104 | ULI-414LI - Industrial USB 2.0 Hub, 4-Ports, High Retention Connectors | N/A | Type A (Female) High Retention | 4 | USB 2.0 | N/A | -40 ~ 80°C (-40 ~ 176°F) | N/A | Panel | Bus Powered | N/A | N/A | N/A | -40 to 80C | N/A | N/A | Port-Powered from USB host (5 VDC) | N/A | N/A | N/A | N/A | Type B (Female) High Retention | N/A |
| BB-UH401 | ULI-421CL - USB 2.0 Isolator, 4 kV, High Retention Connectors | N/A | Type A (Female) High Retention | 1 | USB 2.0 | N/A | -40 ~ 80°C (-40 ~ 176°F) | 4kV | Inline | Bus Powered | N/A | N/A | N/A | -40 to 80C | N/A | N/A | Port-Powered from USB host (5 VDC) | 4,000 VDC | N/A | N/A | N/A | Type B (Female) High Retention | N/A |
| BB-UH401-2KV | USB 2.0 2 kV Isolator, 1 Port, 12 Mbps Full Speed | N/A | N/A | N/A | N/A | N/A | N/A | 2kV | Inline | Bus Powered | N/A | N/A | N/A | -40 to 80C | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| BB-UHR204 | ULI-414I USB 2.0 Hub, 4 Port, Industrial | UL508, Class 1 Division 2 | Type A (Female) High Retention | 4 | USB 2.0 | N/A | -40 ~ 80°C (-40 ~ 176°F) | N/A | DIN, Panel | Bus, 10-30VDC | N/A | N/A | N/A | -40 to 80C | Metal | 10 ~ 30 VDC | N/A | N/A | N/A | N/A | N/A | Type B (Female) High Retention | N/A |
| BB-UHR207 | ULI-417I USB 2.0 Hub, 7 Port, Industrial | UL508, Class 1 Division 2 | Type A (Female) High Retention | 7 | USB 2.0 | N/A | -40 ~ 80°C (-40 ~ 176°F) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | Metal | 10 ~ 30 VDC | N/A | N/A | N/A | N/A | N/A | Type B (Female) High Retention | N/A |
| BB-UHR304 | ULI-414CI - Industrial USB 2.0 Hub, 4 Port, Industrial, Isolated, High Retention Connectors | CE, FCC, UL/cUL 60950-1, Class I, Division 2 | Type A (Female) High Retention | 4 | USB 2.0 | N/A | -40 ~ 80°C (-40 ~ 176°F) | 4kV | DIN, Panel | 10-30VDC | N/A | N/A | N/A | -40 to 80C | Metal | 10 ~ 30 VDC | N/A | 4,000 VDC | N/A | N/A | N/A | Type B (Female) High Retention | N/A |
| BB-UHR307 | ULI-417CI USB 2.0 Hub, 7 Port, Industrial, Iso. | UL508, Class 1 Division 2 | Type A (Female) High Retention | 7 | USB 2.0 | N/A | -40 ~ 80°C (-40 ~ 176°F) | 4kV | DIN, Panel | 10-30VDC | N/A | N/A | N/A | -40 to 80C | Metal | 10 ~ 30 VDC | N/A | 4,000 VDC | N/A | N/A | N/A | Type B (Female) High Retention | N/A |
| BB-UHR401 | ULI-421C - USB 2.0 Isolator, 4 kV, High Retention Connectors | N/A | Type A (Female) High Retention | 1 | USB 2.0 | N/A | 0 ~ 50°C (32 ~ 122°F) | 4kV | Panel | 10-30VDC | N/A | N/A | N/A | 0 to 50C | N/A | 10 ~ 30 VDC | N/A | 4,000 VDC | N/A | N/A | N/A | Type B (Female) High Retention | N/A |
| BB-UHR402 | ULI-422C - USB 2.0 Isolator, 4 kV, High Retention Connectors, 2 Ports | N/A | Type A (Female) High Retention | 2 | USB 2.0 | N/A | 0 ~ 50°C (32 ~ 122°F) | 4kV | Panel | 10-30VDC | N/A | N/A | N/A | 0 to 50C | N/A | 10 ~ 30 VDC | N/A | 4,000 VDC | N/A | N/A | N/A | Type B (Female) High Retention | N/A |
| BB-USBAMBM-15F | USB 2.0 Cable, 4.6 m / 15 ft | N/A | N/A | N/A | N/A | N/A | -40 ~ 80°C (-40 ~ 176°F) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| BB-USBAMBM-3F | USB 2.0 Cable, 0.9 m / 3 ft | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| BB-USBAMBM-6F | USB 2.0 Cable, 1.8 m / 6 ft | N/A | N/A | N/A | N/A | N/A | -40 ~ 80°C (-40 ~ 176°F) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| BB-USBHUB4OEM | ULI-414LIB - Industrial USB 2.0 Hub, 4-Ports, Open Board, High Retention Connectors | N/A | Type A (Female) High Retention | 4 | USB 2.0 | N/A | -40 ~ 80°C (-40 ~ 176°F) | N/A | Open board | Bus Powered | N/A | N/A | N/A | -40 to 80C | N/A | N/A | Port-Powered from USB host (5 VDC) | N/A | N/A | N/A | N/A | Type B (Female) High Retention | N/A |
| BB-USH207 | ULI-417H - Industrial USB 3.0 Hub, 7 Port, Metal Case | N/A | Type A (Female) | 7 | USB 3.2 Gen 1 / USB 3.0 | N/A | 0 ~ 40°C (32 ~ 104°F) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | Metal | 9~24 VDC | N/A | N/A | N/A | N/A | N/A | Type B (Female) | N/A |
| BB-USO9ML2-A | ULI-321DC - USB 2.0 to RS-232 Converter, DB9 Male. Isolated | N/A | N/A | N/A | N/A | N/A | 0 ~ 70°C (32 ~ 158°F) | 2kV | Inline | Bus Powered | DB9 Male | 1 | RS-232 | 0 to 70C | N/A | N/A | Port-Powered from USB host (5 VDC) | 2,000 VDC | DB9 male | 1 | RS-232 | Type B (Female) High Retention | N/A |
| BB-USO9ML2-LS-A | ULI-321DCK - USB 2.0 to RS-232 Converter, DB9 Male. Isolated. Locked Serial Number | N/A | N/A | N/A | N/A | N/A | 0 ~ 70°C (32 ~ 158°F) | 2kV | Inline | Bus Powered | DB9 Male | 1 | RS-232 | 0 to 70C | N/A | N/A | Port-Powered from USB host (5 VDC) | 2,000 VDC | DB9 male | 1 | RS-232 | Type B (Female) High Retention | Yes |
| BB-USO9ML4 | ULI-341DC - USB to RS-422/485 (DB9 Male) Isolated Converter | N/A | N/A | N/A | N/A | N/A | 0 ~ 70°C (32 ~ 158°F) | 2kV | Inline | Bus Powered | Terminal Block | 1 | RS-422, RS-485 | 0 to 70C | N/A | N/A | Port-Powered from USB host (5 VDC) | 2,000 VDC | DB9 male | 1 | RS-422 / RS-485 | Type B (Female) High Retention | N/A |
| BB-USOPTL4 | ULI-341TC - USB to RS-422/485 (Terminal Block) Isolated Converter | N/A | N/A | N/A | N/A | N/A | 0 ~ 70°C (32 ~ 158°F) | 2kV | Inline | Bus Powered | Terminal Block | 1 | RS-422, RS-485 | 0 to 70C | N/A | N/A | Port-Powered from USB host (5 VDC) | 2,000 VDC | Terminal block | 1 | RS-422 / RS-485 | Type B (Female) High Retention | N/A |
| BB-USOPTL4-2P | Serial Converter, USB 2.0 to 2 x RS-422/485 TB, Isolated | N/A | N/A | N/A | N/A | N/A | N/A | 2kV | Panel | Bus Powered | Terminal Block | 2 | RS-422, RS-485 | 0 to 70C | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| BB-USOPTL4-4P | ULI-344TC - USB to RS-422/485 (Terminal Block) Isolated Converter | N/A | N/A | N/A | N/A | N/A | 0 ~ 70°C (32 ~ 158°F) | 2kV | Panel | Bus Powered | Terminal Block | 4 | RS-422, RS-485 | 0 to 70C | N/A | 10 ~ 30 VDC | Port-Powered from USB host (5 VDC) | 2,000 VDC | Terminal block | 4 | RS-422 / RS-485 | Type B (Female) High Retention | N/A |
| BB-USOPTL4DR-2 | ULI-342TC - USB to 2 Port RS422/485 (Terminal Block) Isolated Converter, DIN Rail | N/A | N/A | N/A | N/A | N/A | 0 ~ 70°C (32 ~ 158°F) | 3kV | DIN | Bus Powered | Terminal Block | 2 | RS-422, RS-485 | 0 to 70C | N/A | N/A | Port-Powered from USB host (5 VDC) | 3,000 VDC | Terminal block | 2 | RS-422 / RS-485 | Type B (Female) High Retention | N/A |
| BB-USOPTL4-LS | ULI-341TCK - USB to RS-422/485 (Terminal Block) Isolated Converter. Locked Serial Number | N/A | N/A | N/A | N/A | N/A | 0 ~ 70°C (32 ~ 158°F) | 2kV | Inline | Bus Powered | Terminal Block | 1 | RS-422, RS-485 | 0 to 70C | N/A | N/A | Port-Powered from USB host (5 VDC) | 2,000 VDC | Terminal block | 1 | RS-422 / RS-485 | Type B (Female) High Retention | Yes |
| BB-USPTL4 | Serial Converter, USB 2.0 to RS-422/485 TB | N/A | N/A | N/A | N/A | N/A | N/A | N/A | Inline | Bus Powered | Terminal Block | 1 | RS-422, RS-485 | 0 to 70C | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| BB-USPTL4-LS | Serial Converter, USB 2.0 Locked Serial Number to RS-422/485 TB | N/A | N/A | N/A | N/A | N/A | N/A | N/A | Inline | Bus Powered | Terminal Block | 1 | RS-422, RS-485 | 0 to 70C | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| BB-USR604 | ULI-314DC - USB to RS-232/422/485 (DB9 Male) Industrial Isolated Converter, 4 Port | Class I, Division 2, UL 508 | N/A | N/A | N/A | N/A | -40 ~ 80°C (-40 ~ 176°F) | 2kV | DIN, Panel | 10 to 48VDC | DB9 Male | 4 | RS-232, RS-422, RS-485 | -40 to 80C | Metal | 10 ~ 48 VDC | N/A | 2,000 VDC | DB9 male | 4 | RS-232 / RS-422 / RS-485 | Type B (Female) High Retention | N/A |
| USB-4620-AE | 5-port Full-speed Isolated USB 2.0 Hub | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| USB-4622-CE | ULI-415 5-port USB 2.0 Hub | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
Product Categories
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USB to RS-232/422/485 Converters - ULI-310 Series
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Add an RS-232, RS-422 or RS-485 port to a USB only PC.
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USB to RS-232 Converters - ULI-320 Series
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ULI-320 series add one RS-232 port to your USB 2.0 port with 12 Mbps full speed. Some models feature 2 kV optical isolation protection.
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USB to RS-422/485 Converters - ULI-340 Series
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Converts USB to RS-422/485 by adding 1 or 4 serial ports (up to 921.6 kbps), with optical isolation protection from voltage spikes/ground loops.
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USB to RS-485 Converters - ULI-350/360 Series
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Compact sized USB to RS-485 converters are ideal for field service. Features high retention USB port that are 50% stronger than regular USB ports.
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Industrial USB 2.0 / 3.0 Hubs - ULI-410 Series
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Industrial USB 3.0 hubs offer transfer rates up to 5 Gbps. USB 2.0 isolated hubs support 4kv isolation & ESD 15kV air, and 8kV contact protections.
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Industrial USB 2.0 Isolators - ULI-420 Series
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Industrial USB 2.0 Isolators are 1 or 2 ports with 4kv isolation & ESD 15kV air, and 8kV contact protections against harmful noise and ground loops.
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USB Accessories
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Extend your USB connections with high-performance USB, USB to RS-232, and USB-to-serial cables - available in a variety of lengths.
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USB Extenders
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Advantech selection includes solutions for extending USB 2.0 over Cat 5 cables, wireless technology , RS-232 connectivity, fiber optic cables.
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Featured Highlights
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Advantech Industrial Intelligent Connectivity Solutions
Advantech integrates technologies, such as time-sensitive networking (TSN), 5G, and Wi-Fi 6, with existing Modbus, Fieldbus, and Ethernet capabilities to provide seamless connectivity via industrial switches, routers, gateways, media and serial converters.
