Patton electronic forefront 2616rc User Manual

Fault analysis

Model 2616RC T-DAC User Manual 

SYSTEM

Front 

panel

Green

Flash-

ing

The Model 2616RC is operating normally. No action rec-
ommended.

Off

The Model 2616RC is not functioning properly. As soon 
as possible, unplug both power cables from the Model 
2616RC, wait 30 seconds, then plug the cables back 
into the Mode 2616RC to see if the problem disappears. 
If the SYSTEM LED remains lit after the Model 2616RC 
completes the power-up cycle, contact Patton Technical 
Support to determine whether the T-DAC needs to be 
replaced.

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 an Ethernet cable is plugged into the hub, switch, 
or workstation and the Ethernet port of the Model 2616RC.

•

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

•

Verify that the correct straight-through or cross-over cable is 
being used, depending on whether you are connecting to a 
workstation (PC), hub, or switch.

•

Replace the cable. If the problem still exists, contact Patton Tech-
nical Support to determine if the T-DAC should be replaced.

CLK SOURCE

Front 

panel

Green

On solid The 2616RC is set as the Master Clock source. No action rec-

ommended.

Flashing The 2616RC is set as the secondary clock source. No action 

recommended.

Off

The 2616RC is set as the slave, getting its clock from the H.110 
Bus. No action recommended.

CLK ERROR

Front panel Yellow On solid Master Clock source has been lost and the 2616RC is using the 

secondary source for its clock.

Flashing Master Clock source and the Secondary Clock source have been 

lost and the 2616RC is using its internal crystal for its clock. 

Off

No clock errors currently detected.  
No action recommended.

TEST MODE

Front panel Green On solid One or more T1/E1 ports or T1/E1 ports is in test mode. 

No action recommended.

Flashing One or more of the T1/E1 ports or the T1/E1 ports is in test 

mode and errors have been received.

Off

None of the T1/E1 ports is operating in test mode.  
No action recommended.

T1/E1  
CONNECTIONS 
(LEDs 1–16)

Front Panel Green On solid The ports are activated, linked, and operating normally.

Flashing One or more T1/E1 ports have errors.

Off

No T1/E1 ports have been configured to establish a link. 
See Chapter 3, “Configuring the T-DAC for operation” on 
page 31 to configure the T1/E1 ports.

Table 7. LED definitions (Continued)