Audio, Output connector, E shorted together (see – Extron Electronics PowerCage FOX SR HDMI User Guide User Manual
Page 15: Alarm outputs connection, Alarm outputs connectors, Audio output connector

PowerCage FOX SR HDMI Scaling Receiver • Installation and Operation
9
Alarm outputs connectors
Pin 1 and pin 2 are
shorted together when
no light is detected.
Do not tin the wires!
1 2
REMOTE
RS-232
Tx Rx
ALARM
Figure 8.
Alarm Connector
NOTE: The length of exposed wires is critical (see the second RS-232 connectors
, on the previous page).
Audio output connector
See figure
9 to properly wire a captive screw output connector. The connector is included
with the receiver, but you must supply the audio cable. Use the supplied tie-wrap to strap
the audio cable to the extended tail of the connector.
Unbalanced Stereo Output
Balanced Stereo Output
Do not tin the wires!
Tip
NO GROUND HERE
NO GROUND HERE
Tip
LR
Sleeves
Sleeves
Tip
Ring
Tip
Ring
LR
Figure 9.
Captive Screw Connector Wiring for Stereo Audio Output
ATTENTION: For unbalanced audio, connect the sleeves to the ground contact.
DO NOT connect the sleeves to the negative (-) contacts.
NOTE: The length of exposed wires is critical (see the second RS-232 connectors
on the previous page).