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