Appendix; Pin Assignment Of The Connectors; Switching Off The Termination Of The Word Clock Input - Mutec MC-3+ Smart Clock Operating Manual

Appendix

Pin Assignment of the Connectors

Mains
1 Live, phase (brown; USA: black)
2 Protective earth (green/yellow; USA: green)
3 Neutral (blue; USA: white)
AES/EBU, XLR, Input
for AES3/11
2 1
3
1 Audio ground
2 a conductor (hot / +)

Switching off the Termination of the Word Clock Input

Attention
Disconnect the unit from the mains before opening! Remount the aluminium cover thoroughly before you attempt to operate
the unit!
1 2
Jumper Position 2
= Termination
18
3
2
1
AES/EBU, XLR, Output
for AES3/11
1 2
3
1 Ground
2 a conductor (hot / +)
When the MC-3+ Smart Clock is shipped, the BNC-based Word Clock
Jumper:
input connector is terminated internally with 75 Ω. Therefore, one
jumper is put on two pins - Position 2 - of the 3-pin socket JP1.
Free Pin:
BNC Input/Output for
Word Clock, 10.0 MHz
1
2
1 Signal
2 Ground
RCA, Input/Output
for S/P-DIF
1
2
1 Audio signal
2 Audio ground
NOTE:
The RCA-based S/P-DIF
inputs and outputs are
not galvanically isolated,
due to IEC 60958.
Optical TOSLINK Input/Output
for S/P-DIF
1
1 Optical signal