Using Status Lights - 3Com 3C10111C - NBX 100 - Modular Exp Base Installation Manual

Using Status Lights

Figure 44 Device Configuration Dialog Box — ATA Tab
3 Use the MAC address that you recorded prior to installing the ATA to
identify it in the list. The MAC address on the ATA and the MAC address
displayed in the list on the ATA tab should be identical.
Use the status lights on an ATA to help verify that the ATA has been
properly discovered. The lights (S1, S2, and S3) indicate the status of the
analog port.
S3 turns on when the analog telephone or fax machine is in use.
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S2 turns on briefly every two seconds when an analog telephone or
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fax machine is connected to the ATA. If no device is connected to the
ATA, S2 is off.
S1 is reserved for future use.
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Verifying an Analog Terminal Adapter 131