E1/T1 card
39
•
three LEDs indicators for each E1/T1 span:
—
ENB/DIS indicates if the span is enabled/disabled by the system
—
RED (local) alarm indicator
—
YELLOW (remote) alarm indicator
•
one LED per DDCH/DCHI daughterboard to indicate if the D-channel
is enabled or disabled. Each DCH LED is associated with one
daughterboard as follows:
—
UL LED to DCH upper left daughterboard
—
UR LED to DCH upper right daughterboard
—
LL LED to DCH lower left daughterboard
—
LR LED to DCH lower right daughterboard
•
one LED for clock controller functionality that indicates success or
failure of Clock Reference recovery
•
two LEDs for Ethernet (part of RJ-45 connector) indicating:
—
link activity
—
speed (100 Mbps or 10 Mbps)
See
Table 7 "LED functionality for the E1/T1 card" (page 39)
.
Table 7
LED functionality for the E1/T1 card
Group
LED Name
Color
Functionality
Power (1 LED)
PWR
Green
Lit when power is OK
Fan (1 LED)
FAN
Red
Lit when one of the fans in the cooling unit is
faulty
ENB/DIS
Green
Lit when E1/T1 link is enabled
ENB/DIS
Red
Lit when E1/T1 link is disabled
RED
Red
Lit when E1/T1 link has Near End alarm
E1/T1 Spans (8
spans)
(24 LEDs)
YELLOW
Yellow
Lit when E1/T1 link has Far End alarm
UL, UR, LL, LR
Off
DDCH/DCHI is not equipped
UL, UR, LL, LR
Red
For DDCH/DCHI: Lit when MSDL/DDSL is
disabled. For DCHI-SW: Lit when at least one
DDSL (of a pair) is disabled.
D-channels
(4 LEDs)
UL, UR, LL, LR
Green
"For DDCH/DCHI: Lit when MSDL/DDSL
is enabled. For DCHI-SW: Lit when all
configured DDSLs (of a pair) are enabled.
Nortel Communication Server 1000
Media Gateway 1000E PRI Gateway Installation and Commissioning
NN43041-311 04.01
4 June 2010
Copyright © 2007-2010 Nortel Networks. All Rights Reserved.
.
Summary of Contents for 1000E PRI
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