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5
ProMix-1 Installation and Operation Manual
INSTALLATION
PROGRAM OUTPUT
The ProMix-1’s Program output appears on the male XLR connector (6) and on pins
1 and 2 of the rear panel “HUB” RJ45 connector (5.) The output is electronically
balanced and will drive a 600-ohm load. The nominal level is +4dBu.
PROGRAM OUTPUT XLR JACK PINOUT
Connect a female XLR plug as follows:
Pin 1: Ground
Pin 2: Hi (+)
Pin 3: Lo (-)
NOTE: To feed an unbalanced load, connect to Pins 1 & 2 only. DO NOT
SHORT PIN 3 TO GROUND! It is not necessary to terminate audio output.
HUB RJ45 JACK
The “Hub” RJ45 jack (5) can be used to connect the ProMix-1 to a ProMix HUB-6
system. Balanced program output audio is always fed to pin 1 (+) and pin 2 (-)
(StudioHub Left). Pin 3 (+) and pin 6 (-) (StudioHub Right) are used to receive
IFB/talkback audio from the ProMix Hub.
RJ45 Pinout
St:
ProMix:
Wire Pair:
RJ45 Pins:
Left+
PGM (Local)OUT+ White/Orange
1
Left-
PGM (Local)OUT- Orange/White
2
Right+
IFB/TB IN +
White/Green
3
Right -
IFB/TB IN -
Green/White
6
n/c
TB LOGIC
White/Blue
5
GND
GND
Blue/White
4
15V-
n/c*
White/Brown
7
15V+
12V+ IN
Brown/White
8
GND
GND
Shield
Shield
*Not used.
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