The LED's shown on an operating system are summarized below.

Control Unit LEDs

LED

Description

Optional SD

Off = Card shutdown.

Green on = Card present.

Green flashing = Card in use.

Orange steady = Reset imminent.

Red flashing = Card initializing or shutting down.

Red fast flashing = card full

Red steady = Card failure/wrong type.

System SD

CPU

Alternate red/green = Starting up.

Green on = Okay.

Red on = No software.

Flashing Red = Error/Shutdown.

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

All Cards

LED1 is also used for base card status:

Red On = Error/Not supported.

Red Slow Flash = Initializing.

Red Flash every 5 seconds = Card okay.

Red Fast Flash = System shutdown.

IP500 Analog Phone

No status LEDs are used for analog phone extensions.

IP500 Digital Station

Green Flashing = Phone detected.

Green On = Phone active.

IP500 Combination

LEDs 1 to 6

Green Flashing = Phone detected.

Green On = Phone active.

IP500 VCM

LEDs 1 to 8 are unlabelled. They are used to indicate voice compression channel usage. Each LED represents 12.5% of available voice compression channel capacity.

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.

Green

On

Expansion module present.

Red

Flashing

Initializing.

Red

On

Error.

Orange

Regular Flash

Base card okay.

 

 

 

Trunk Daughter Card LEDs

Trunk Daughter Card

LEDs 9 to 12 Usage

All cards

LED 9 is also used for daughter card status.

Red On = Error

Red Slow Flash = Initializing.

Red Flash every 5 seconds = Card okay.

Red Fast Flash = System shutdown.

Analog Trunk

Green on = Line connected to the port but idle.

Green flashing = Line in use.

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).

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.