Extron electronics BUC 202 Setup Manual

BUC 202 • Setup Guide
This guide provides instructions for an experienced installer to set up and operate the Extron
BUC 202 two channel unbalanced/balanced audio converter and line driver.

Rear Panel Features and Cabling

100-240V 50/60 Hz
0.2A MAX
A
A
AC power — Connect to standard AC power: 100 to 240 VAC, at 50 or 60 Hz.
B
Trim adjustment (channels 1 and 2) — Adjust the audio input level for the channel using
the 16-position rotary switch. This switch sets the level in 3 dB increments from -21 dB to
+21 dB. The arrow on the shaft indicates the current setting.
TRIM
1
0
-3 3
-6 6 -6
-9 9 -9
-12
-12 12
-15 -15
15
-18 -18
18
-21
21
C
Input connector — This 3.5 mm 5-pole captive screw connector accepts line level
balanced or unbalanced, mono or stereo audio signals (see the illustrations below for
proper wiring).
Do not tin the wires!
Tip-ring-sleeve and tip-sleeve connections:
Tip (L)
Ring (R)
Sleeve ( )
Tip-Ring-Sleeve
TRIM
2
1
0
0
-3
-3 3 3
-6 6 -6 6
9
-9 9 -9
-12 -12 12
12
-15 -15 15
15
-18 -18
18 18
-21
-21 21 21
B
NOTE:
2
(vertical) position with the arrow on the shaft pointing to the 0
0
-3 3
position. When the switch is set to the bottom position (indicated
6
9
by a dot) the signal is muted (see
12
15
18
-21
21
Sleeves
Sleeve
Sleeve
BUC 202
OUTPUTS
INPUTS
1 1
2 2
D
C
Unity gain (0 dB) for both channels is at the 12 o'clock
Tip
Ring
Tip
Ring
Balanced Stereo Input
Tip
Tip
Unbalanced Stereo Input
Tip (+)
Sleeve ( )
Tip-Sleeve
Adjusting the Trim).
Tip
Ring
Sleeve
Balanced Dual Mono Input
(high impedance)
Tip
Sleeve
Unbalanced Dual Mono Input