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A
AIS alarm
4-17
definition
4-26
relay
transmission from the DBS
Alarm indication signal (see AIS)
4-38
Alarm relay clear
Alarm relays
4-26
AIS
4-38
alarm relay clear
4-26
frame loss
4-25
red alarms
4-27
relay reset
4-26
sync loss
4-25
yellow alarms
4-17
Alarm summary
Alarm timers
yellow alarm detection
Alarm transmission
red alarm detection
4-20
yellow alarms
4-16
Auto failure mode
B
Blue alarm (see AIS)
C
1-9
Channel
4-16
Channel numbers
Channel service unit
distance from DBS
2-12
installing
1-9
specifications
Clock settings
4-4
definitions
quick-start instructions
4-4
Clock source 1
4-5
Clock source 2
4-6
Clock source 3
2-23
Clock sync cable
CSU (see channel service unit)
D
DID Programming
3-9
Multiple
E
4-38
Error clearance
Revised April 2000
4-37
4-21
4-20
2-18
3-5
DBS-EX23-530
Error counters
4-22
frame loss
4-22
frame loss counter
4-24
loss of signal
4-23
red alarms
4-23
slips
4-24
sync loss
4-24
sync loss counter
4-24
yellow alarms
ESF (see extended superframe)
Extended superframe format
1-3
description
F
4-16
Failure mode
4-35
FF alarm keys
Forced re-synchronization
2-4
Fractional ISDN
Frame format
1-3
description
Frame loss alarm
4-22
counter
4-17
definition
4-26
relay
4-22
Frame loss counter
G
2-20
Grounding
H
Hardware requirements
Historical error clearance
I
2-14, 2-21, 2-23, 3-3, 4-28
ISDN Data Reset
K
Keep alive signal (see AIS)
L
Loopbacks
4-36
loopback 1
4-36
loopback 2
4-37
remote loopback
Loss of signal alarm
4-24
counter
4-18
definition
4-24
Loss of signal counter
Index
4-38
1-8, 2-3
4-38
Index-i
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