3Com ACCESSBUILDER 7000 User Manual - page 29

Front Panel LEDs

2

-

7

PWR

 (Power) When lit indicates that the module is receiving power from 

the chassis’ backplane and that the power circuits are functioning correctly.

ALARM

 Lights to indicate that an event has 

occurred on one or more 

of the modems w

hich has been configured to raise an alarm. See the 

AccessBuilder 7000 Access Concentrator User Guide

 for more information.

ALERT

 Lights to indicate that an event has 

occurred on one or more of 

the modems w

hich has been configured to raise an alert. See the 

AccessBuilder 7000 Access Concentrator User Guide

 for more information.

TEST

 Indicates that one of the modems on the module is running a 

test. This may have been initiated either by an attached DTE, via the 

Management Controller Module or by a remote DTE to which the 

modem has a communications link.

SEND

 Flashes on and off to indicate that the selected modem is 

receiving data from the equipment attached to the DTE interface.

REC

 (Receive) Flashes on and off to indicate that the selected modem 

is passing received data from the line to the DTE interface.

CH 1

 (Modem 1) Shows that Modem 1 is selected and that the LEDs show 

the status of this modem.

CH 2

 (Modem 2 

Shows that Modem 2 is selected and that the LEDs show 

the status of this modem.

CH 3

 (Modem 3) 

Shows that Modem 3 is selected and that the LEDs show 

the status of this modem.

Push Button

 Selects the modem whose status is shown by the front 

panel LEDs. Toggle this button until the required Modem LED is lit.