Cables
All RBR loggers and recorders are supplied with a USB-C data cable that is used for downloading the data from the internal port on the RBR logger to a PC or a Mac.
Sometimes data and power connections are required on the external part of the logger to allow for longer deployments or real time data access.
RBR recognizes that users may not want to pay extra for features that arenโt required. Therefore we offer the choice of external data and/or power connectors as an optional extra at the time of initial instrument manufacture. MCBH-6MP bulkhead plugs are used for all external data and power connections.

RS-232 and RS-485
Patch cables are intended for connections between an instrument and a computer. Underwater extension cables may be used for serial output instrument to increase the distance between computer and instrument. RS-232 can be used up to 50m (longer with lower baud rates). RS-485 is the long-distance choice.
Interconnect cables may be used for RS-232 and power, or general analogue signals, typically between two underwater devices.
P/N | Name | Notes |
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0011088 | USB MCIL-6FS to USB Type C, patch cable, 2m | For instruments with USB output. Includes power terminal block. No extension cable available for USB. |
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0009379 | RS-232 MCIL-6FS to USB Type C, patch cable, 2m | For instruments with RS-232 output (embedded converter). Includes power terminal block. |
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0009378 | RS-485FD MCIL-6FS to USB Type C, patch cable, 2m | For instruments with RS-485 output (embedded converter). Includes power terminal block. |
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0011822 | RS-232 MCIL-6FS to RS-232 DB9-F, patch cable, 2m | For instruments with RS-232 output. Includes power terminal block. |
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0011823 | RS-485FD MCIL-6FS to RS-485FD DB9-F, patch cable, 2m | For instruments with full duplex RS-485 output. Includes power terminal block. |
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Name | Notes | ||||||||||||||||||||||||
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RS-232 MCIL-6FS-FLS to MCIL-6MP-MLS, underwater extension cable![]() |
Extension cable with RS-232 and power wiring.
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RS-485FD MCIL-6FS-FLS to MCIL-6MP-MLS, underwater extension cable![]() |
Extension cable with full duplex RS-485 and power wiring.
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Name | Notes | ||||||||||||||||||
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Cable, MCIL-6-FS-FLS to MCIL-6-MP-FLS![]() |
Interconnect cable with female locking sleeves. Suitable for RS-232/power or other applications.
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P/N | Name | Notes |
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0000240 | Licor PAR CABLE | 9901-032 to MCIL-2-MP, 0.6m |
0000241 | Wetlabs C-Star Cable | MCIL-6-MP to MCIL-6-FS, 0.6m |
0000242 | Biospherical PAR Cable | MCIL-6-MP to P-LMG-4-FS-G-FLS-P, 0.6m |
0000258 | JFE Rinko DO Cable | AG-206-FS to MCIL-6-MP, 0.6m |
0000275 | Turner Cyclops-7 Cable | MCIL-6-FS to MCIL-6-MP, 0.6m |
0000692 | Franatech METS Cable | MCIL-8-FS to MCIL-6-MP, 1.0m |
0000704 | Campbell OBS3+ Cable | MCIL-5-MP to MCIL-6-MP, 0.6m |
0000978 | Aanderaa 4831F Cable | MCIL-8-FS to MCIL-6-MP, 1.0m |
0001163 | Turner C3 Cable | MCIL-8-FS to MCIL-6-MP, 0.6m |
0002167 | Oxyguard DO Sensor and Cable | D0523SA to MCIL-6-MP, 0.3m |
0002956 | Paroscientific Digiquartz Cable | RMG-4-FS to MCIL-6-MP, 1.0m |
0004876 | Satlantic OCR 504 Cable | MCIL-8-FS to MCIL-6-MP, 0.6m |
0004904 | Oxyguard DO Sensor and Cable | D0523SA to MCIL-6-MP, 0.3m |
0004983 | Wetlabs C-star Cable | MCIL-6-FS to MCIL-6-MP, 1.5m |
0004984 | JFE RInko III Cable | AG-206 to MCIL-6-MP, 1.5m |
0004985 | Satlantic OCR 504 Cable | MCIL-8-FS to MCIL-6-MP, 1.5m |
0004986 | Turner Cyclops-7 Cable | MCIL-6-FS to MCIL-6-MP, 1.5m |
Legacy products
For our legacy products, Impulse IE55(w) wet-pluggable are usually used for Single & Twin channel loggers and the XR series. Impulse MCBH are used for the XRX range. A Serial-USB adapter is required for legacy products.
Older RBR instruments typically use RS-232 protocol for data download. Since many of the latest computers are no longer equipped for RS-232 input, a USB adapter is necessary. There are many types on the market and some function better than others. We can supply one that has been tested and proven to work with our instruments.
Contact usย to discuss your connector requirements at the time of order placement. In some cases, it may be possible to retro-fit connectors.
Contact RBRย for delivery time on custom order cables. Note: there is a practical performance limit on the length of a cable used for RS-232 serial transmission. Typically, RS-485 transmission should be considered for cable lengths in excess of 50m at data rates of 19.2Kbaud and higher.