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USG-2 Isolated USB To Serial Gateway For Use w/NMEA0183, RS422 And RS232
The USG-2 ensures safety and reliability when connecting a PC to your NMEA 0183 network.
The USG-2 converts a USB port into a bi-directional serial port suitable for connecting to a marine standard NMEA 0183 data bus.
It provides a far safer connection when compared to standard USB to serial converters.
Electrical isolation is provided by the ISO-Drive™ output and OPTO-isolated input making installation simple and free from ground loops.
The input uses the Actisense OPTO-isolation circuitry to protect any connected equipment from the most common system faults. The input can receive very low-level signals that are often too small to be received by a PC serial port.
The USG-2 is the safest way to connect a boat’s data network to an on-board PC.
Features:
- NMEA 0183, RS422 & RS232 compatible
- ISO-Drive™ technology
- Pluggable screwless connector with locking latch & strain relief
- Encapsulated electronics
- High retention USB socket
- Diagnostic & power LEDs
- Baud rates from 300 to 230400 bps
- Bulkhead mount, with optional DIN rail mount kit
- Pluggable screwless connector
- Inputs & outputs protected against over voltage, ESD & short circuits
- Simple installation
- Protects PC from damage
- Eliminates ground loops
Technical Specifications:
Power Supply (USB)
- Power Source - Bus powered
- Maximum Bus Current - 50mA
NMEA 0183 Port – Talker & Listener
- Number of Listener/Input Ports - One isolated NMEA 0183 Listener
- Number of Talker/Output ports - One isolated NMEA 0183 Talker
- Compatibility - Fully NMEA 0183, RS422 & RS232 compatible. RS485 Listener compatible
- Galvanic Isolation - NMEA 0183 Talker and Listener Isolation
- Speed/ Baud Rate - 4800 to 230400 bps / baud
- Connectivity - Pluggable screwless connector with locking latch and integrated push-button. Utilizes cage clamp for 12 to 24 AWG wires (both solid and stranded)
- Talker output voltage drive - >2.0V (differential) into 100Ω
- Talker output current drive - 20mA max.
- Talker output protection - Short circuit and ESD
- Listener input voltage tolerance - -15V to +15V continuous
- Listener input protection - Current limited, overdrive protection to 40V DC and ESD protection
- USB Port
- Compatibility - USB 1.1, 2.0 and 3.0
- Speed/ Baud Rate - 300 to 230400 Baud
- Connectivity - High retention type-B receptacle (supplied cable includes a custom USB Type-B sealing plug)
- Withdrawal Force - 1.5Kg
- Drivers (Latest OS) - Windows XP, Vista, 7, 8, 10,11 & MAC OS X supplied on CD & Actisense website
Mechanical
- Materials - Housing – ABS (PA-765), flame retardant to UL94 V-0, PCB encapsulant – polyurethane, flame retardant to UL94 V-0, Pluggable screwless connector – PPA-GF with CrNi spring and tin plated Ecu contacts
- Mounting - Bulkhead mount (s/s self tapping screws included) or optional DIN rail mount kit available
- Weight - Main body 65g, USB cable 70g
- USB cable length - 2.0m shielded USB Type-A to Type-B cable including custom USB Type-B sealing plug
Approval & Certifications
- EMC - EN 60945 (sections 9 & 10)
- Environmental protection - IP67 (Encapsulated electronics)
- Operating temperature - -25°C to +70°C
- Storage temperature - -40°C to +85°C
- Relative Humidity (RH) - 0 to 93% RH
- Guarantee - 3 years (5 Years if registered)
Specifications:
- Data Interface: NMEA 0183
- Box Dimensions: 2"H x 6"W x 7"L WT: 0.4 lbs
- UPC: 5060998710485
Owner's Manual (pdf)
Brochure (pdf)
FAQs
Product & Usage
1. Is your gear authentic and warranty-backed?
Yes — we are an authorized US dealer for 300+ marine electronics brands. Every order ships with the manufacturer’s full warranty.
2. Are these products beginner-friendly?
Yes. Our products are designed for both seasoned boaters and first-time owners. Each unit ships with a manufacturer manual, and we’re happy to answer setup questions over email.
3. Are these products built for marine conditions?
Yes. Marine electronics are engineered for saltwater spray, vibration, and weather. Check the product specs for IPX waterproof rating and saltwater certifications.
Maintenance & Accessories
1. What maintenance does marine electronics require?
Rinse with fresh water after saltwater exposure, store in a dry place, and follow your manufacturer’s cleaning and storage instructions.
2. Can I buy replacement parts and accessories separately?
Yes — we carry replacement parts, mounts, transducers, cables, and accessories for the brands we stock.
3. Do you provide product manuals or installation guides?
Every product ships with the original manufacturer’s manual. Digital copies and detailed installation guides are typically available on the brand’s website.
Warranty & Guarantee
1. Does my purchase include a warranty?
Yes — every order includes the full manufacturer warranty. Coverage length varies by brand (typically 1–3 years for Garmin, Lowrance, Raymarine, Simrad, Humminbird, Furuno, and others).
2. How do I register for warranty coverage?
Register directly with the manufacturer using your unit’s serial number. Manufacturer registration is the fastest path to warranty support if you ever need it.
3. What does the manufacturer warranty cover?
Defects in materials and workmanship under normal use. Damage from impact, improper installation, or saltwater corrosion (without protection) may be excluded. Check brand-specific terms in your unit’s documentation.
4. Can I extend the warranty?
Some manufacturers offer extended-coverage programs through their registration portals. We don’t sell third-party warranty programs.
Purchasing & Support
1. How fast does my order ship?
Orders placed before 4pm EST Monday–Friday ship the same business day via UPS from our NJ or FL warehouses. Continental US delivery typically takes 3–7 business days for Economy.
2. Do you offer bulk or fleet pricing?
Yes — we offer volume pricing for fleet operators, marinas, dealers, and commercial customers. Email support@marineelectronicsdepot.com with your needs.
3. How can I contact support?
Email support@marineelectronicsdepot.com or call during business hours (Mon–Fri 9am–5pm ET). We’re happy to help with pre-purchase questions, order status, or post-sale support.
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