SL1100 Hardware Installation
1-888-632-3794 • info@necsl1100distributors.com
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Installing an External Music Source
Your system provides two connections for music sources. Use these music sources for Background Music and
Music On-Hold. Be sure the connected music sources are compatible with the following music input
specifications - Input Impedance: 600 Ohms @ 1 kHz. Output Impedance: 600 Ohms. Output Level: Nominal
250 mV (-10 dBm).
To Connect a Music Source (MOH or BGM):
1. Find the mono audio minijack (1/8”) that was supplied for Free with this phone system
2. There are two inputs for music sources – music on hold (MOH), and background music (BGM)
3. Plug the mono audio minijack into the MOH (Music on Hold) input on the SL1100 Motherboard and
plug the other end of the audio cable into your music source
4. Plug the mono audio minijack into the BGM (Background Music) input on the SL1100 Motherboard
and plug the other end of the audio cable into the music source
Audio IN/OUT Jack
BGM MOH PAGE
PAGE : Audio in/out
(External paging)
MOH : Audio in
(External MOH)
BGM : Audio in
(BGM)
A FREE Music On-Hold has been pre-installed on your system if
you purchased an InMail Voicemail Card!
(Mono Audio Jack has ONE Black Band)
A 1/8” Mono to 1/8” Mono/RCA Cable
was Included Free with your System.
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