INS_FVTFVRXA4C1_REV1
05/11/10
PAGE 3
FIGURE 4 – AUDIO WIRING
FIGURE 5 – CONTACT WIRING
INSTALLATION AND OPERATION MANUAL
FVT/FVRXA4C1(M)(S)
TECH SUPPORT: 1.888.678.9427
To Customer
Equipment
Internal Contact Closure
FIGURE 6 – LED INDICATORS
AUDIO IN/OUT
CONTACT
LINK
POWER
GREEN
(Solid or Blinking) An active audio
signal is present.
Closed
Communication link has been
established over optical fiber
Unit powered up
RED
Audio level too high.
N/A
N/A
N/A
OFF
No audio signal
Open
No Link
Unit powered down
300mA
Differential Input/Output
Single-Ended Input/Output
IN
IN
OUT
OUT
R
V
Audio Source
+
–
+
–
Audio Source
+
–
+
Speaker
+
–
+
–
Speaker
+
–
+
GND
GND
