Actisense
Actisense NMEA 0183 PC Opto-isolator cable, RS232 DB9 female, shielded (isolated to PC)
Pickup available at Mercury Yacht Harbour
Usually ready in 2-4 days
Description
The Actisense OPTO-4 is a serial opto-isolator cable that provides a safe, low-cost way to connect an NMEA 0183 system to a PC. From version 2.0 onwards the NMEA 0183 specification requires isolated, differential listener inputs, but a standard PC RS232 port is neither isolated nor differential. The OPTO-4 bridges that gap, allowing an RS422 or standard RS232 connection to meet the NMEA 0183 listener requirement and protecting equipment from the ground loops common in a marine environment.
The RS232 end is a female 9-pin D-Sub (DB9) connector following the standard RS232 pin-out, and the cable powers itself from the RS232 port's TX and handshaking lines, so in most installations no external supply is needed. An over-moulded case gives excellent water resistance and a small footprint for tight installations.
PRODUCT DETAILS
- Isolates an NMEA 0183 connection to a PC to prevent ground loop damage
- Female 9-pin D-Sub (DB9) RS232 connector with standard pin-out
- Powers itself from the RS232 TX and handshaking lines
- Shielded, over-moulded case for water resistance and a small footprint
- Interfaces RS422 and standard RS232 devices to meet NMEA 0183 listener spec
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Connection
| PC Connector | Female 9-pin D-Sub (DB9), standard RS232 pin-out |
| Compatibility | RS422 and standard RS232 NMEA 0183 talkers |
Power
| Source | Self-powered from RS232 TX, RTS and DTR lines (9V to 15V external optional) |
Mechanical
| Construction | Shielded, over-moulded case |
General
| Guarantee | 3 years |
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