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DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
Issue 1
April 1997
Index
Page IN-8
P
Packet bus, 10-780
packet bus
circuit pack failures
, 9-6
circuit packs, 9-1, 9-5
connectivity, 9-4
fault correction procedures, 9-9
fault Isolation/correction, 9-1
fault isolation/correction tools, 9-3
maintenance, 9-7
maintenance objects (MOs), 9-5
maintenance software, 9-8
TDM bus, 9-7
Password Expiration screen, 3-5
passwords
security
, 3-3
PBX standard RS-464A, 1-13
PCM-encoded analog signal, 1-7, 1-10
peak noise level, 1-17
performance, 1-3 to 1-17
echo-return loss, 1-17
single-frequency return loss, 1-17
physical
layer, OSI
, 1-4
PKT-BUS, 10-780
port-to-port insertion loss, 1-15
power
controls
, 2-6
options available, 2-6
removing, 5-4
restoring, 5-6
service interruptions, 2-7
supplies, 5-13
power distribution units
LEDs
, 7-5
power supply sub assemblies, 5-10
preventative maintenance
logs
, 5-36
procedures, 5-36
Preventive Maintenance log, 5-36
PRI, 1-6
PRI endpoint problems
troubleshooting
, 5-56
private line service codes, 1-17
procedures
restart
DEFINITY LAN Gateway
, 5-25
shut down DEFINITY LAN Gateway, 5-23
protocols
8-bit character code
, 1-7
ADU, 1-7
analog, 1-7
BRI, 1-6
CEPT1
DCP
, 1-6
Digital Multiplexed Interface, 1-7
for applications, 1-11 to 1-17
layers, 1-6