Patton electronic 3120 Benutzerhandbuch

Model 3120 RAS Getting Started Guide

Fault analysis

ETHERNET

Front panel

Green

Off

•

A valid link has not been detected. 

•

Verify that the cable is plugged into the hub, switch, 
or workstation and the RAS.

•

Verify that the hub, switch, or workstation is powered 
on.

•

Replace the cable. If the problem still exists, refer to 
“Replacing the RAS” on page 61 to replace the RAS. 
If the problem still exists, troubleshoot the hub, 
switch, or workstation.

On solid Link status is nominal for the Ethernet port. No action rec-

ommended.

CALLS ACT

Front panel

Green

On solid Indicates call activity on the RAS. No action recom-

mended.

Flashing A call is incoming. No action recommended.

Off

No active calls on the RAS. No action recommended.

WAN PORT— FRAME

Front panel

Green

On solid Indicates normal activity at each of the four T1/E1/PRI 

links. No action recommended.

Flashing Indicates that the RAS is detecting the network, but is 

unable to synchronize with it.

Off

Indicates an error.

WAN PORT— ERROR

Front panel

Red

On solid Indicates signal from WAN is not present.

Flashing Intermittent errors on the WAN port are recognized.

Off

Indicates normal activity at each of the four T1/E1/PRI 
links. No errors recognized.

10/100 ETHERNET A or 
10/100 Ethernet B

Rear panel

Yellow

On solid Link is valid but no packets are seen. No action recom-

mended.

Off

•

A valid link has not been detected. 

•

Verify that the cable is plugged into the hub, switch, 
or workstation and the RAS.

•

Verify that the hub, switch, or workstation is powered 
on.

•

Replace the cable. If the problem still exists, refer to 
“Replacing the RAS” on page 61 to replace the RAS. 
If the problem still exists, troubleshoot the hub, 
switch, or workstation.

Flashing Packets are detected at the Ethernet port. No action rec-

ommended.

10/100 ETHERNET A or 
10/100 Ethernet B

Rear panel

Green On solid

100 Mbps speed. No action recommended.

Off

10 Mbps speed. No action recommended.

Expansion

Front panel

Off

Not currently implemented.

Table 5. LED definitions