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5 • Troubleshooting and maintenance
Model 2604 T1/E1 DACS Getting Started Guide
54
Periodic maintenance
Periodic maintenance
Other than using a lint-free cloth to clean dust off the DACS chassis, the DACS requires no periodic mainte-
nance.
Calibration
The DACS requires no calibration.
ETHERNET
Front panel Green On solid Link status is nominal for the Ethernet port. 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 DACS.
•
Verify that the hub, switch, or workstation is powered on.
•
Verify that the correct cable is being used. Depending on
whether you are connecting to a workstation (PC), hub, or
switch, either a straight-through or cross-over cable.
•
Replace the cable. If the problem still exists, contact Patton
Technical Support to determine whether the DACS needs to
be replaced or not
Ext. Clock
Front panel Green On solid An external clock source is being used.
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 DACS is detecting the network, but is unable
to synchronize with it.
Off
Indicates an error.
WAN PORT— ERROR Front panel
Red
On solid Indicates normal activity at each of the four T1/E1/PRI links. No
action recommended.
Off
Indicates an error.
10/100 ETHERNET
Rear panel Green On solid Link is valid. No action recommended.
Off
•
A valid link has not been detected. Verify that the cable is
plugged into the hub, switch, or workstation and the DACS.
•
Verify that the hub, switch, or workstation is powered on.
•
Verify that the correct cable is being used. Depending on
whether you are connecting to a workstation (PC), hub, or
switch, either a straight-through or cross-over cable.
•
Replace the cable. If the problem still exists, contact Patton
Technical Support to determine whether the DACS needs to
be replaced or not.
Flashing Packets are detected at the Ethernet port. No action recom-
mended.
10/100 ETHERNET
Rear panel Yellow On solid 100 Mbps speed. No action recommended.
Off
10 Mbps speed. No action recommended.
Table 4. LED definitions (Continued)
LED
Location Color Status
Meaning