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Appendix C: Wiring Diagrams and Pin Assignments 85

Appendix C: Wiring Diagrams and Pin

Assignments

LTC Connectors

SYNC peripheral LTC In and LTC Out connec-

tors are balanced XLRs with Pin 2 wired “+” or

“hot,” Pin 3 wired “–” or “cold,” and Pin 1 wired

to ground (shield). Depending on whether you

are connecting a balanced or unbalanced signal

to these connectors, different wiring configura-

tions are recommended for optimum signal in-

tegrity, especially for long cable runs.

If you are connecting a balanced signal to the

SYNC peripheral LTC In or LTC Out connectors:

• Pin 1 and ground should be connected at the

input only (not at the output). This will pre-

vent ground loops between the shield and the

Pin 1 conductor.

If you are connecting an unbalanced signal to the

SYNC peripheral LTC In or LTC Out connectors:

• Connect only Pin 2 to the “+” signal;

• Connect Pin 1 to ground at all inputs and out-

puts.

Wiring diagrams for the SYNC peripheral LTC In and

LTC Out connectors (balanced signal)

–

GND

N.C.

–

GND

LTC In

LTC Out

Device

Wiring diagrams for the SYNC peripheral LTC In and

LTC Out connectors (unbalanced signal)

GND

N.C.

–

GND

LTC In

LTC Out

Device

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