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
Additional Maintenance Procedures 
Page 6-25 Facility Test Calls 
6
DTMR Test Call
This call accesses and tests the dual tone multifrequency receivers (DTMR-PTs) 
located on TN420 and TN748 Tone Detector circuit packs. These tone receivers 
are also known as touch tone receivers (TTRs). Before making the test call, use 
list configuration to determine the location of the TN420 or TN748...

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Additional Maintenance Procedures 
Page 6-26 Facility Test Calls 
6
2. Dial the 2-digit port network number followed by # and the 3-digit time slot 
number listed in the following table.
3. Listen for one of the following tones:
TDM Bus Time Slots
When you address a tone-carrying time slot on the TDM bus (A or B) that is 
currently carrying tones, you will be connected to that time...

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Additional Maintenance Procedures 
Page 6-27 Facility Test Calls 
6
Table 6-4. TDM Bus Time Slot Numbers
TDM Bus A 
time slotTDM Bus B 
time slot Tone Heard
000 256 Reorder
001 257 Reorder
002 258 Reorder
003 259 Reorder
004 260 Reorder
005 261 Touch Tone 1 - 697Hz
006 262 Touch Tone 2 - 770 Hz
007 263 Touch Tone 3 - 852Hz
008 264 Touch Tone 4 - 941 Hz
009 265 Touch Tone 5 - 1209 Hz...

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Additional Maintenance Procedures 
Page 6-28 Facility Test Calls 
6
Out-of-Service Time Slot Test Call
This call can be used to determine if there are any out-of-service time slots on the 
TDM bus of a specified port network. If there are, you will be connected to one. 
By listening to noise on the time slot and selectively removing circuit packs, you 
may be able to isolate the source...

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Additional Maintenance Procedures 
Page 6-29 Facility Test Calls 
6
Table 6-5. System Tone Identification Numbers 
Number Description
00 Null tone
01 Dial tone
02 Reorder tone
03 Alert tone
04 Busy tone
05 Recall dial tone
06 Confirmation tone
07 Internal call waiting tone
08 Ringback tone
09 Special ringback tone
10 Dedicated ringback tone
11 Dedicated special ringback tone
12 Touch...

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Additional Maintenance Procedures 
Page 6-30 Facility Test Calls 
6
28 External call waiting
29 Priority call waiting
30 Busy verification
31 Executive override/intrusion tone
32 Incoming call identification
33 Dial zero
34 Attendant transfer
35 Test calls
36Recall on don’t answer
37 Audible ring
38 Camp-on recall
39 Camp-on confirmation
40 Hold recall
41 Hold confirmation
42 Zip tone...

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Additional Maintenance Procedures 
Page 6-31 Preventive Maintenance 
6
Preventive Maintenance
The following preventive maintenance procedures should be followed when 
visiting customer sites. The chart that follows shows a sample of the Preventive 
Maintenance Log. Whenever you complete a preventive maintenance procedure, 
be sure to fill in the information on the log form before you...

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Additional Maintenance Procedures 
Page 6-32 Preventive Maintenance 
6
Tape Drive
The head and capstan on the tape drive of the SPE should be cleaned every 
three months. Abrasive particles from worn tape and environmental debris can 
cause loss of information and services. The procedure for cleaning the tape drive 
is described in the section on TAPE in Chapter 9, ‘‘
ABRI-PORT (ASAI...

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Additional Maintenance Procedures 
Page 6-33 Preventive Maintenance 
6
Date equipment installed: ________________________
Post this form with the equipment.
1. Inspect annually; clean or replace
2. Clean every three months
3. Replace every 4 years
PREVENTIVE MAINTENANCE LOG 
DEFINITY ECS
Air Filters1Scheduled 
DateDate 
CompletedCompleted 
By  Scheduled
 DateDate 
CompletedCompleted...

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6r Volumes 1 & 2  555-230-126  Issue 2
January 1998
Additional Maintenance Procedures 
Page 6-34 Analog Tie Trunk Back-to-Back Testing 
6
Analog Tie Trunk Back-to-Back 
Testing
The TN760 circuit pack can be configured for back-to-back testing (also known 
as connectivity testing) by making translation and cross-connect changes. This 
testing configuration allows for the connection of Tie Trunks back-to-back in the 
same switch to verify...