The LED's shown on an operating system are summarized below.
Control Unit LEDs
LED |
Description |
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Optional SD |
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System SD |
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CPU |
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Base Card LEDs
Note: Cards not supported by the system's particular mode, locale or level of software will display a solid red LED.
Base Card |
LEDs 1 to 8 Usage |
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All Cards |
•LED1 is also used for base card status:
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IP500 Analog Phone |
•No status LEDs are used for analog phone extensions. |
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IP500 Digital Station |
•Green Flashing = Phone detected. •Green On = Phone active. |
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IP500 Combination |
•LEDs 1 to 6 •Green Flashing = Phone detected. •Green On = Phone active. |
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IP500 VCM |
•LEDs 1 to 8 are unlabelled. They are used to indicate voice compression channel usage. Each LED lit represents 12.5% of the available voice compression channel capacity in use. |
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IP500 4-Port Expansion |
•LEDs 1 to 8 are used for the expansion ports on the rear of the control unit. LEDs 9 to 12 are used for the card's own expansion ports.
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Trunk Daughter Card LEDs
Trunk Daughter Card |
LEDs 9 to 12 Usage |
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All cards |
•LED 9 is also used for daughter card status.
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Analog Trunk |
•Green on = Line connected to the port but idle. •Green flashing = Line in use. |
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PRI Trunk |
•Off = No trunk present. •Green on = Trunk present. •Green flashing = Trunk in use. •Red/Green Fast Flash (port 9) or Green Fast Flash (port 10) = Alarm indication signal (AIS) from the trunk remote end. •Red with Green Blink (port 9) or Green Blink (port 10) = Port in loopback mode (set through IP Office System Monitor). |
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BRI Trunk |
•Off = No trunk present. •Green on = Trunk present. •Green flashing = Trunk in use. |
External Expansion Module LEDs
Module |
LEDs |
All |
The center LED on all external expansion modules is used to indicate the overall state of the module as follows: •Red flashing = Module starting up/Loading firmware. •Red on = Error. •Green on = Module okay. |
Analog Trunk 16 |
•None. |
BRI So8 |
•Green On = Connected. •Green Flashing = Activity. |
Digital Station 16/30 |
•Green Flashing = Phone detected. •Green On = Phone active. |
Phone |
•None. |
