Avaya J189 IP Phone supports up to two Avaya J100 Expansion Modules and USB charging. The following power limitations apply when you connect one or two Avaya J100 Expansion Module to the phone:
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Power adapters
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USB power
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1 JEM24 modules
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2 JEM24 modules
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PoE (Side switch position L)
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USB Type A power limited to 100mA
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not supported
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not supported
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PoE (Side switch position H)
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USB Type A and USB Type C
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Supported with USB Type A and Type C port shared power limited to 900mA
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Supported with USB Type A and Type C port shared power limited to 500mA
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5V power adapter
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USB Type A and USB Type C
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Supported with USB Type A and Type C port shared power limited to 900mA
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Supported with USB Type A and Type C port shared power limited to 500mA
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