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2
3
ST2 Smart Tuner
Designed in USA
In
Out
Made in China
RNET Link
RS232 Interface
1 Keypad 2
1
RNET LINK IN/LINK OUT - Links to other Russound components that are RNET compatible,
displays frequency and other information on the UNO keypads
2
RS-232 INTERFACE - The RS-232 Interface allows the tuner to be controlled by PC or other devices
that have an RS-232 Interface. The RS-232 Interface also allows for firmware updates and program-
ming (DB9 Cable)
3
KEYPAD PORTS - RJ-45 Keypad ports for ST2-KP tuner keypads in dedicated, non-RNET sys-
tems (Do not connect UNO keypads to these ports)
4
FM COAX - FM Antenna threaded F-connection (75 ohms) for Tuner 2
LOOP ANTENNA - AM antenna connection (300 ohms) for Tuner 2
5
6
IR INPUT - IR control input (common IR control) for Tuner 2 or Tuner 1
7
AUDIO OUTPUT - Line-level audio signal outputs (RCA Cable) for Tuner 2
8
SIRIUS ANTENNA - SIRIUS Antenna SMB connection (50 ohms) for Tuner 1
9
IR INPUT - IR control input (common IR control) for Tuner 1 or Tuner 2
10
AUDIO OUTPUT - Line-level audio signal outputs (RCA Cable) for Tuner 1
11
POWER SUPPLY - 12VDC 1.25A max current draw external power supply connection
4
5
FM Coax
Loop Antenna
75Ω
GND AM
Tuner 2
TUNER 2 AM/FM
COMPONENT GUIDE
6
7
IR
L
R
Tuner 1
TUNER 1 SIRIUS
ST2S REAR PANEL
8
9
10
IR
L
R
Serial
Power 12VDC 1.25A
11
7
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