Russound UNO S2 - Manual (Page 11)

INSTALLER GUIDE
UNO-S2 Keypad Rear Panel
11
EXTERNAL IR RECEIVER IN CONNECTOR - Connection for an external IR Receiver.
OS UPDATE JUMPER - Selects “Run” or “OS Update” mode.
RESET BUTTON - Reset whenever changing from RUN to OS update
110 PUNCHDOWN CONNECTOR - Termination for CAT-5 connection between the
UNO-S2 Keypad and the CAV6.6 controller.
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