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CHAPTER 8
Troubleshooting
8-4
All modules REDUNDANT Redundancy Green See Redundancy Status later in this chapter.
Note: The REDUNDANT LED on the cOCx/STMx,
FE-8, GE/FE, HSSI, OC3 (dual port), OCx/STMx,
and X.21/V.35 line modules is nonfunctional.
SRP module
POWER A
OK
Power Green Power online on source
A
Power off
POWER B
OK
Power Green Power online on source
B
Power off
FAN OK Fan Green Fan online Fan failure
FAN FAIL Fan Red Fan failure Fan online
LINK Ethernet Green Ethernet link up Ethernet link down
ACTIVITY Ethernet Green Blinks when Ethernet
traffic on link
No Ethernet traffic on link
Ethernet line
modules
LINK Ethernet Green Ethernet link up Ethernet link down
ACTIVITY Ethernet Green Blinks when Ethernet
traffic on link
No Ethernet traffic
on link
HSSI line
module
SYNC Port status Green If the port is configured
as DTE, the LED lights
when both the DCE and
the clock source are
available.
If the port is configured
as DCE, the LED lights
when the DTE is
available.
If the port is configured
as DTE, the LED goes
out when either the DCE
or the clock source
becomes unavailable.
If the port is configured
as DCE, the LED goes
out when the DTE
becomes unavailable.
YEL ALM
Note: This LED is not functional on the HSSI line module.
RED ALM Port status Red If the port is configured
as DTE, the LED lights
when either the DCE or
the clock source
becomes unavailable.
If the port is configured
as DCE, the LED lights
when the DTE becomes
unavailable.
If the port is configured
as DTE, the LE goes out
when both the DCE and
the clock source are
available.
If the port is configured
as DCE, the LED goes
out when the DTE is
available.
Table 8-2 LED identification and activity descriptions (continued)
LED Location LED Label LED Indicator LED Color OFF to ON ON to OFF