Avaya MCC1 Maintenance Procedures page 422

Index
O
O
Open System Interconnect model
,
Layer 1 (physical layer)
,
protocols 33
,
Layer 2 (data-link layer)
,
protocols 35
OSI model, see Open System Interconnect model
P
packet bus
,
and circuit-pack failures
,
circuit pack failures 249
, , ,
circuit packs 222 245
, ,
connectivity 221 248
,
correcting faults 238
,
definition 220
,
fault isolation 234
fault isolation/correction tools
,
faults 221
,
in duplicated systems 239
,
ISDN-BRI connectivity
,
maintenance 224
maintenance objects (MOs)
,
maintenance software 251
,
repair 219
,
reset pnc interchange 239
reset system interchange
,
set tone-clock 239
,
TDM-bus comparison 224
, ,
troubleshooting 235 239
,
pamshut Linux thread 124
,
parts, field replaceable 44
Password Expiration screen
,
PBX standard, RS-464A 38
,
PCD process 120
PCM-encoded analog signal
,
peak noise level 42
, to
performance 31 42
,
echo-return loss 41
single-frequency return loss
,
physical layer, OSI 32
PNC
,
interchanges 128
port networks (PNs)
troubleshooting packet bus
,
port-to-port insertion loss 40
Power
,
removing 393
,
restoring 394
power
,
adding 396
,
distribution units 376
,
interruptions 29
, ,
removing 391 396
,
restoring 391
,
power cord 396
,
G700 288
422
,
32
32
32
223
248
,
247
213
,
248
,
239
,
85
, ,
35 37
,
41
,
245
,
precautions, safety 17
,
preventive maintenance 376
,
batteries 376
,
PRI 34
,
private-line service codes 42
procedures
SNI/EI manual loop back
Process Manager (prc_mgr)
,
processor occupancy 125
protocols
,
8-bit character code 35
,
ADU 34
,
analog 34
,
BRI 34
CEPT1
,
DCP 34
Digital Multiplexed Interface
,
for applications 42
,
in layers of OSI model 33
,
PRI 34
,
summary of states 35
,
system 31
,
voice-grade data 35
prune Linux service
,
as partition monitor 125
Q
,
quantization distortion loss
R
,
rc Linux script 119
,
readiness testing 118
,
rear panel connector 43
,
reboots 121
,
initialization 127
,
reset level 4 155
,
rolling 126
,
system (stop -r) 123
recovery
,
script 124
,
server 124
,
rectifier, replacing 354
reliability options
,
critical 107
,
duplication 102
REN, see ringer equivalency numbers
Replacing the Remote Supervisor Adapter (RSA)
reseating/replacing circuit packs
reset
levels
,
1 (warm restarts) 153
,
2 (cold-2 restarts) 154
,
4 (reboots) 155
SAT commands
reset pnc interchange
reset system interchange
Maintenance Procedures
,
171
,
120
,
35
40
,
304
,
278
,
239
,
239
December 2003