Grace Digital GDI-IRBM20 Business Music System - Manual (Page 9)

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BACK PANEL VIEW:
6. AUDIO OUT & RCA JACK CONNECTIONS
Use the RCA “PBX OUT” connection on the back of the unit to connect the unit to your
PBX or Key phone system. Most PBX and Key systems will be equipped to accept an RCA
jack connection. Some systems may require a 3.5mm mini connection.
Cables for both RCA-to-RCA and RCA-to-3.5mm are included with the GDI-IRBM20.
Use the RCA “STEREO OUT (L) (R)” connections to connect the unit to your audio system.
7. IMPEDENCE SWITCH
The impedance Switch on the back of the unit has selections for 8 ohm and 600 ohm
output setting. 8 ohm is the default for most PBX and Key Phone systems. IP based
phone systems may require a 600 ohm setting.
8. POWER ADAPTER CONNECTION
Power to the unit is provided by a wired power connection. Connect the pronged end of
the 5V power adapter to a power outlet and connect the other end to the power adapter
connection on the back of the unit. Once connected, turn the power ON by pressing the
Power Button on the front of the unit.
9. WIRELESS or WIRED INTERNET CONNECTION
Use the built-in wireless 802.11n connection to connect to a b, g or n wireless router
OR use the wired Ethernet LAN connection on the back of the unit to connect to the
internet.
ACCESSORIES included with the Business Music System (GDI-IRBM20):

Connector Cables: RCA (L)(R)-to-RCA(L)(R) Cable (stereo)
RCA to RCA Cable (mono)
RCA-to-3.5mm Mini Cable (mono)

Power Adapter
100/220 VAC-5V DC 700mA

User Guide