Lucent Technologies DEFINITY Enterprise Communications Server Release 6 Instructions Manual

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Maintenance Architecture 
Page 1-5 What’s new for R6.2r 
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Figure 1-2. Change system-parameters customer-options form
!WARNING:
Do not change the Softlock? field to y, as it locks all administered 
passwords in the system. 
Similarly, Figure 1-3 shows page 2 of the Change System-parameters Security 
form containing the following SoftLock fields that 
should not be changed:
nSYSAM-LCL?...

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Maintenance Architecture 
Page 1-6 What’s new for R6.2r 
1
Figure 1-3. Change system-parameters security form
!WARNING:
Do not change any of these fields to y.
Init logins
There are no changes to these logins for R6.2.
INADS and craft logins
There are no changes to these logins for R6.2.
Multimedia Call Handling (MMCH) 
Enhancements
A new TN2207 PRI circuit pack allows connection to...

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Maintenance Architecture 
Page 1-7 Maintenance Objects 
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Maintenance Objects
The system is partitioned into separate entities called maintenance objects 
(MOs). Each MO is monitored by the system and has its own maintenance 
strategy. Most MOs are individual circuit packs such as the processor circuit 
pack (PROC) and expansion interface circuit pack (EXP-INTF). Some are 
hardware...

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Maintenance Architecture 
Page 1-8 Alarm and Error Reporting 
1
nWARNING alarms identify failures that cause no significant degradation of 
service or failures of equipment external to the system. These are not 
reported to INADS or the attendant console.
nON-BOARD problems originate in circuitry on the alarmed circuit pack.
nOFF-BOARD problems originate in a process or component...

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Maintenance Architecture 
Page 1-9 Port Network Connectivity (PNC) 
1
Port Network Connectivity (PNC) 
Port network connectivity is the equipment and controlling software that allows 
building large systems comprised of multiple Port Networks (PNs). Each PN is 
composed of Time Division Multiplexing (TDM) and packet (PKT) busses, and 
the port circuit packs connecting to them. A...

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Maintenance Architecture 
Page 1-10 Port Network Connectivity (PNC) 
1
Figure 1-4. Direct Connect PNC
In the CSS configuration, up to 16 PNs (including the PPN) can connect to one 
switch node (SN). With two SNs, up to 22 PNs can be connected. Each SN 
consists of a carrier containing the following components (in critical reliability 
systems, each SN is duplicated on a second,...

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Maintenance Architecture 
Page 1-11 Port Network Connectivity (PNC) 
1
nTDM and PKT busses, and bus terminations
There are 16 data busses in the SN. Each SNI has a slot dependent data 
bus on which it transmits data and has 16 inputs, one for each SN SNI slot, 
including its own. The data busses are terminated by 4 AHF105 paddle 
boards that mount on the backside of the backplane slots...

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Maintenance Architecture 
Page 1-12 SPE Duplication 
1
SPE Duplication
The Switch Processing Element (SPE) consists of the following circuit packs.
These circuit packs reside on the A carrier (control carrier) of the PPN in all 
systems, except for the UN330B which is found only in high and critical reliability 
systems. In high and critical reliability systems, the PPN B carrier...

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Maintenance Architecture 
Page 1-13 SPE Duplication 
1
Standby SPE Availability
The STBY-SPE maintenance object is responsible for testing of the standby SPE 
so that any faults that would prevent it from being available for service can be 
isolated and repaired. Various factors affect the availability of the standby SPE:
nThe condition of the individual hardware components of the...

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Maintenance Architecture 
Page 1-14 SPE Duplication 
1
Figure 1-6. Duplicated SPEs — Hardware Configuration
Standby SPE State of Health
The Duplication Interface circuit packs on each of the two SPEs keep track of the 
State of Health (SOH) of each of the two SPEs. This circuitry ensures that, at any 
time, unless the SPE-select switches are locked:
nIf the two SPEs have the same SOH,...