AT&T Synapse Uživatelská příručka stáhnout pdf (Strana 286)

Troubleshooting 286

Synapse User’s Guide

ATA Troubleshooting

For more information about the corrective actions recommended in this troubleshooting section, see the Synapse

Administrator’s Guide at

www.telephones.att.com/synapseguides.

[ATA] General Troubleshooting

Symptom Probable Cause Corrective Action ATA General Troubleshooting

ATA does not work at all. There is no power to the

device.

 Ensure the AC plug is plugged into an electrical outlet not

 Verify that the AC power outlet has power. Plug in a lamp.

If the lamp won’t light, contact an electrician or use

another power outlet.

 Verify that the DC plug is a 12V 1500mA adapter and

plugged into the power jack marked DC 12V on the

front of the ATA.

ATA screen displays

Network Down.

The Ethernet cable is

unplugged.

 Ensure that one end of the Ethernet cable is plugged into

the port marked LAN on the front of the ATA and that the

other end is plugged into your office LAN.

 Confirm that the Ethernet port light next to the Ethernet

port on the ATA is green. If it is not, unplug the cable and

plug it in again.

 There may be a problem with the office network. Check if

other network devices, such as computers, are

communicating with the network. If not, then contact your

IT administrator.

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