Juniper E SERIES BROADBAND SERVICES ROUTERS 11.3.X - ERX MODULE GUIDE REV 27-9-2010 Manual page 110

ERX 11.3.x Module Guide
Table 18: LED Identification and Activity Descriptions (continued)
LED
Location LED Label
All REDUNDANT
modules
SRP POWER A OK
module
POWER B OK
FAN OK
FAN FAIL
LINK
ACTIVITY
Ethernet LINK
line
modules
ACTIVITY
HSSI line SYNC
module
YEL ALM
RED ALM
110
LED Indicator LED Color
Redundancy Green
Power Green
Power Green
Fan Green
Fan Red
NOTE: When the LED alternates between OK and FAIL at 10-second intervals, a non-critical fan
failure exists.
Ethernet Green
Ethernet Green
Ethernet Green
Ethernet Green
Port status Green
NOTE: This LED is not functional on the HSSI line module.
Port status Red
OFF to ON
See Redundancy Status later in this appendix.
NOTE: The REDUNDANT LED on the cOCx/STMx, FE-8, GE/FE,
HSSI, and X.21/V.35 line modules is nonfunctional.
Power online on source A
Power online on source B
Fan online
Critical fan failure
Ethernet link up
Blinks when Ethernet traffic on
link
Ethernet link up
Blinks when Ethernet traffic on
link
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 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.
Copyright © 2010, Juniper Networks, Inc.
ON to OFF
Power off
Power off
Critical fan failure
Fan online
Ethernet link down
No Ethernet traffic on link
Ethernet link down
No Ethernet traffic
on link
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.
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.