Lucent Technologies 555-233-119 Circuit Packs, Maintenance Objects

DEFINITY ECS Release 8.2 Maintenance for R8.2csi 555-233-119 Issue 1
April 2000
Maintenance for csi systems
1-14Circuit Packs
1
Circuit Packs
All circuit pac k slots in the Compact Mod ular Cabinet (CMC) are “universal
slots.” That is, any slot can contain an y type of circuit p ack (port, c ontrol, or
service), hence the absenc e of the purple and white slot coding found on other
DEFINITY products. The only requirements for slot allocation are:
■The TN798 Processor must be installed in slot 1
■The TN2182 Tone-Clock must be installed in slot 2
NOTE:
The TN2182 is the only Tone-Clock circuit pack allowed in the CMC.
■A TN744D Call Classifier/Tone Detector circuit pack may b e required in
systems with heavy traffic. This circuit pac k can be installed into any port,
although slot 1 of Cabinet B is p referred.
Maintenance Objects
The maintenance subsystem is par titioned into separate entities c alled
Maintenance Objects (MOs). Eac h MO is referred to by an upp er-case,
mnemonic-like name that serves as an abb reviation for the MO. For example,
“CO-TRK” stands for “Central Offic e TRunK.” Each MO is monitored by the
system and has its own maintenance strategy. Although most MOs are individual
circuit packs, som e MOs are hardware components that resid e on part of a
circuit pack, for example, the TDM bus cloc k circuits reside on the Tone/Clock
circuit pack. Other MOs, such as cabine t environmental sensors, represent
larger subsystems or sets of monitors. Finally, some MOs, such as
SYNChronization, represent processes or a combina tion of processes and
hardware.
“Maintenance names” are rec orded in the Error and Alarm log s. Individual c opies
of an MO are assigned an add ress that defines the MO’s physic al location in the
system. These locations display as the Port field i n the A l arm and Erro r logs an d
as output of various command s such as test board, busy tdm-bus, and so forth.