Just seeing this now.
Yes this makes sense "GND" would be the ETC spec above of Common / Shield
Then the Positive and the Negative.
For an Unbalanced you would use "shield/gnd" on the Middle Pin (can also go to the first pin but not needed) and then place the Signal Wire on the third Pin -- as per the ETC spec above.
Original Message:
Sent: 08-20-2025 21:36
From: Simon Dargaville
Subject: Carbonite Ultra - LTC connector
All good, I've had success with
- GND
- POS
- NEG
When using a Plura ELC, and a T568B Cable. the RJ45 Pin out =
GND = 4 (BLUE)
POS = 3 (WHITE / GREEN)
NEG = 6 (GREEN)
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Simon Dargaville
Original Message:
Sent: 08-20-2025 16:40
From: Jason Osborne
Subject: Carbonite Ultra - LTC connector
Sorry I can't remember exactly what worked - but I think ground went to one of the negatives.
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Jason Osborne
Original Message:
Sent: 08-19-2025 22:58
From: Simon Dargaville
Subject: Carbonite Ultra - LTC connector
Can I check if this worked out ? The manuals
- Neg
- Pos
- Neg
Is that mean it's unbalanced? or is one of the pin's a GND ?
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Simon Dargaville
Original Message:
Sent: 02-14-2024 23:56
From: Jason Osborne
Subject: Carbonite Ultra - LTC connector
Thank you Les - will try this
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Jason Osborne
Original Message:
Sent: 02-14-2024 21:58
From: Les O'Reilly
Subject: Carbonite Ultra - LTC connector
We would probably need to know what is providing the LTC source and then we can look at the pinout they provide..
Just grabbing from ETC I see this

Since we are showing 2 x LTC - and 1 LTC Positive I would wire it pin 1 and pin 2 to the WECO LTC - and then go with Pin 3 to LTC +
It that does not work .. then I would go for a 1-1 / 2-2 /3-3 since the Balanced to balances pinout has Com/ Shield on 1 and Signal - on 3 .. with Signal + in the middle.
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Les O'Reilly
Director - Switcher Product Management
Original Message:
Sent: 02-14-2024 21:44
From: Jason Osborne
Subject: Carbonite Ultra - LTC connector
Trying to figure out how to wire XLR pinout to Weco connector for LTC input on Carbonite Ultra. The manual shows the 3 connectors on the Weco as LTC-, LTC+, LTC-. How does that translate to the XLR cable pinout? Thanks.
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Jason Osborne
CBS INTERACTIVE
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