Frequently Asked Questions
DIGITAL SYNC CORD and STROBE WIRING DIAGRAMS
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Frequently Asked Questions
DIGITAL SYNC CORD and STROBE WIRING DIAGRAMS
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These diagrams are provided to help in testing and analysis of Ikelite sync cords and strobes. If a sync cord is attached to the strobe, for example, the diagram indicates which pins on the other end of the cord can be connected with a paper clip to test the strobe functions. If continuity of a cord is being tested, the diagrams indicate the matching connector on the other end of the cord. Dual sync cords have a primary and secondary side so only one ready light signal is sent to the camera. The secondary cord which does not have a ready light signal is marked with a red band. This is the strobe that should be turned off if only one strobe is to be used. This is easy to remember because logic dictates red would be the primary side, but Ikelite got it backwards making red the secondary side. Caution: Do not use TTL Sync Cords with very old Non-TTL Ikelite SubStrobes that have only four connectors (no center contact) in the bulkhead. Non-TTL sync cords MUST be used with these strobes. These strobes were made before TTL existed, and a TTL sync cord on these old strobes will apply 360 volts to a Nikonos V camera which fries it instantly. |
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Looking at the bottom of our Nikonos connector with the index groove as shown in the drawing: Connect "ground" to "trigger" should fire the strobe. Connect "ground" to "quench" should blink ready lite. Blinking ready lite not applicable for digital strobes. A 3.3K ohm resistor is installed inside of the plug, connecting the ground circuit to the pin identified as 3.3K ohm. This internal connection indicates to the camera that a TTL strobe is attached; and it provides proper operation with any brand of housing that has a Nikonos socket. |
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We recommend using only "O" rings from Ikelite on Ikelite connectors for Nikonos; and only "O" rings from Nikonos for connectors from Nikonos. We recommend using only Ikelite #0184.1 silicone lube on all of our "O" rings to prevent possible softening and swelling in size. Caution: The Nikonos connector must be aligned correctly, and should be STRAIGHT when it is inserted into the camera. It is possible to start the connector at an angle, tipping it up to straight as it goes into the camera; but this procedure is much more likely to extrude or pinch the "O" ring, causing a leak. The Nikonos system should be very dependable with reasonable care in alignment and installation of a clean connector that has been lightly lubricated. Housing Caution: Care must be exercised when removing the sync cord especially from housings that have a Nikonos socket installed on the top. Removal should be done with the housing inverted to prevent any water drops from entering the bulkhead. The two small spring loaded contact pins in the bulkhead are especially susceptible to sticking and corrosion from moisture. |
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Looking at the Ikelite TTL sync cord connector which attaches to the Substrobe or to the housing Bulkhead: Connect "ground" to "trigger" to fire the strobe. Connect "ground" to "quench" to blink ready lite. Blinking ready lite not applicable for digital strobes. |
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Connect "ground" to "trigger" to fire the strobe. Connect "ground" to "quench" to blink ready lite. Blinking ready lite not applicable for digital strobes. This connector is also installed at the strobe end of our Nikonos sync cords. The 3.3K ohm resistor in our TTL Nikonos cords allows their use with any brand of housing and the Nikonos cameras. These older sync cords can not power the conversion circuitry of the new digital housings which require power supplied in the "not connected" pin location. |
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Connect "ground" to "trigger" to fire the strobe. Connect "ground" to "quench" to blink ready lite Blinking ready lite not applicable for digital strobes. Note that a bulkhead installed in our strobes contains both TTL and Non-TTL sync terminals. Addition of our bulkhead to other brand housings will require addition of a 10K ohm resistor (between confidence and ground) to their hotshoe, or replacement with our hotshoe. |
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Connect "ground" to "trigger" to fire the strobe. DS Series Digital SubStrobes starting with these serial numbers supply accessory power as shown. DS-125 starting with serial #5000 DS--50 starting with serial #75000 DS-200 starting with serial #6500 |
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Connect "ground" to "trigger" to fire the strobe. Connect "ground" to "quench" to blink ready lite Blinking ready lite not applicable for digital strobes. Note that a bulkhead installed in our strobes contains both TTL and Non-TTL sync terminals. Addition of our bulkhead to other brand housings will require addition of a 10K ohm resistor (between confidence and ground) to their hotshoe, or replacement with our hotshoe. |
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Looking at the bottom of our Hotshoe connector for the Nikon cameras: Connect "ground" to "trigger" to fire the strobe. Connect "ground" to "quench" to blink ready lite. Blinking ready lite not applicable for digital strobes. Ikelite does not use the confidence pin. A 10K ohm resistor is installed in the hotshoe to tell the camera a TTL strobe is attached. A resistor is also installed in all of our Nikonos sync cords. The wire color codes are shown to help in trouble shooting and installation to a housing bulkhead. |
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