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DEFINITY Enterprise Communications Server Release 6
Maintenance for R6vs/si
555-230-127
Issue 1
August 1997
Index
Page IN-6
L
LAN Gateway, see DEFINITY LAN Gateway
layers, protocol
, 1-6
LEDs
alarms
, 7-1
attendant consoles, 7-5
carrier power units, 7-5
control and port circuit pack status, 7-5
definition, 7-1
duplication interface circuit pack, 7-3
indicators on maintenance/processor circuit packs, 7-1
maintenance circuit pack, 7-1
power distribution units, 7-5
processor circuit pack, 7-1
LGATE-BD, 10-145
logging in, 3-3
Login Administration screen, 3-9
login IDs, 3-3
login procedure, 3-3
Login Prompt form, 3-21
logins
administering command permissions
, 3-11
administration, 3-9
changing attributes, 3-10
removing, 3-7
security, 3-3
testing, 3-7
logoff screen, 3-6
loop input impedances, 1-17
loopback jack, 5-69
loss
echo return
, 1-17
insertion, 1-15
quantization distortion, 1-16
single-frequency, 1-17
M
maintenance
architecture
, 1-1
background testing, 1-3
circuit packs, 7-2
interfaces, 3-1
on-site, 9-2
packet bus, 9-7
packet bus software, 9-8
preventative logs, 5-36
preventative procedures, 5-36
procedures, 5-1
remote, 9-2
subsystem, 1-1
system’s overall functions, 1-1
testing, 1-2
maintenance object repair procedures