Lucent Technologies Definity Release 8.2 Atm Installation Manual

							DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration  555-233-124  Issue 1
April 2000
Preparing for Installation and Upgrades 
1-3 Review Configuration and Equipment 
1
Review Configuration and Equipment
Figure 1-1 shows and  examp le of the b asic  ATM c onnec tions for Release 8r and  
Release 8c si system using  ATM-PNC and  ATM-CES. For more d etailed  
c onnec tion d iag rams of the reliab ility op tions, refer to ‘‘DEFINITY ECS 
configurations’’ on page 1-6.
Figure Notes
Figure 1-1. Example of an ATM-PNC and ATM-CES configuration
1. DEFINITY ECS PPN-1 (r)
2. Lucent ATM switc h
3. ATM network (the c loud)
4. DEFINITY ECS EPN in MCC5. D EFI N I TY EC S EPN  in  SC C
6. ATM-PNC
7. ATM-CES
8. ATM-PNC and  ATM-CES
9. D EFI N I TY EC S PPN - 2 ( c si )
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							DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration  555-233-124  Issue 1
April 2000
Preparing for Installation and Upgrades 
1-4 Review Configuration and Equipment 
1
Required Hardware
Table 1-1 lists the req uired  eq uip ment for stand ard , high, c ritic al reliab ility, and  
ATM network d up lic ation c onfig urations.
To test the sync hronization sp litters, you need  the following  eq uip ment:
nPhoenix 1541C Test Set with ac c essory c ord kit
nPhoenix 5575A T1 Test Set with c ord  kit or eq uivalent
n700A DS1 CPE Loop b ac k Jac k1 (c omc ode 10798867)
n103A b loc k
n1541CC c ab le kit
Table 1-1. Minimum required equipment for Release 8 ATM-PNC configurations 
EquipmentReliability level
Standard HighCritical/ATM 
Network Duplication
ATM switc h 1 1 2
TN2305/TN2306 ATM interfac e
1 
for eac h PN
1. TN2305 (multimod e fiber); TN2306 (sing le-mod e fib er) for Release 8 ATM-PNC.
112
2. Hig h reliab ility req uires 2 ATM-EI c irc uit p ac ks in the PPN and  1 ATM-EI in eac h EPN.
2
T1 or E1 sync hronization sp litter
3
3. The number and  uses of the sync hronization sp litter d ep end  on the config uration and  the sourc e(s) 
from which p rimary and sec ond ary sync hronization is d erived . You may need 1 sync  sp litter p er 
ATM switc h. DS1 sync hronization req uires either no sync  sp litter or up  to a numb er twic e the 
numb er of sites.
11 1
SC-c onnec ted  fiber op tic  c able
4
4. Existing  fib er op tic c able may require an ST-to-SC ad ap ter, d ep end ing  on the interfac e at the ATM 
switch. The TN2305/TN2306 circ uit pac k req uires an SC c onnec tor (1 ad apter is included  in the 
Fiber Pass-Through Kit).
1 2  ( PPN )
1 (eac h EPN)2
TN771 maintenanc e/test c irc uit 
pack
5
5. For network d up lic ation; required  for systems supp orting PRI, BRI, or ASAI.
1
1. See DEFINITY ECS Release 8 Maintenanc e for R8r, Chap ter 6, DS1 Loop b ack Test for 
more information. 
						

							DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration  555-233-124  Issue 1
April 2000
Preparing for Installation and Upgrades 
1-5 Review Configuration and Equipment 
1
nRJ45-to-Bantam test c ab le from the 1541CC c ab le kit
nSystem capacities
Table 1-2
 lists the maximum numb er of TN2305/TN2306 c irc uit p ac ks allowed  in 
a DEFINITY ECS.
Table 1-2. Maximum number of ATM interface TN2305/TN2306 circuit packs
PlatformMaximum ATM circuit 
packs allowed Description
r 176 2 x 44 port networks (CES) plus 2 in 
eac h PN (PNC)
si, c si, c 6 CES only (no PNC) 
						

							DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration  555-233-124  Issue 1
April 2000
Preparing for Installation and Upgrades 
1-6 Review Configuration and Equipment 
1
DEFINITY ECS configurations
Figure 1-2, Figure 1-3, and  Figure 1-4 show the ATM-PNC c onnec tions for 
stand ard , hig h, and  c ritic al reliab ility, resp ec tively.
Figure 1-2. ATM-PNC connections for standard
 reliability Figure Notes
1. Pub lic  switc hed telep hone network (PSTN)
2. Main d istrib ution frame (MDF) or smart jac k
3. Sync hronization splitter. 
4. DS1 c irc uit p ac k (TN464F)
5. TN2305/TN2306 c irc uit pac ks
6. DEFINITY ECS ac c ess terminal
7. Timing  signal from sync hronization splitter 
through an H600-383 c ab le to Luc ent ATM switc h8. Luc ent ATM switc h (more than one ATM 
switc h in an ATM-WAN c onfiguration.)
9. ATM switc h ac c ess terminal 
10. Fiber op tic  c ab les from ATM 
OC-3/STM-1 interfac es
1 1 . D EFIN I TY EC S EPN
12. Split c ab inet EPN
1 3 . D EFIN I TY EC S PPN
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							DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration  555-233-124  Issue 1
April 2000
Preparing for Installation and Upgrades 
1-7 Review Configuration and Equipment 
1
Figure 1-3. ATM-PNC connections for high reliability Figure Notes
1. Pub lic  switc hed telep hone network (PSTN)
2. Main d istrib ution frame (MDF) or smart jac k
3. Sync hronization splitter
4. DS1 c irc uit p ac k (TN464F)
5. TN2305/TN2306 c irc uit pac ks
6. DEFINITY ECS ac c ess terminal
7. Timing  signal from sync hronization splitter 
through an H600-383 c ab le to Luc ent ATM switc h8. Fiber op tic  c ab les to ATM OC-3/STM-1 
interfac es
9. Luc ent ATM switc h (more than one ATM 
switc h in an ATM-WAN c onfiguration.)
10. ATM switc h ac c ess terminal
1 1 . D EFIN I TY EC S EPN
12. Split-cabinet EPN
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							DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration  555-233-124  Issue 1
April 2000
Preparing for Installation and Upgrades 
1-8 Review Configuration and Equipment 
1
Figure 1-4. ATM-PNC connections for critical
 reliability or ATM network 
duplication Figure Notes
1. Pub lic  switc hed telep hone network (PSTN)
2. Main d istrib ution frame (MDF) or smart jac k
3. Sync hronization splitter
4. DS1 c irc uit p ac k (TN464F)
5. TN2305/TN2306 c irc uit pac ks
6. DEFINITY ECS ac c ess terminal)
7. Timing  signal from sync hronization splitter 
through an H600-383 c ab le to Luc ent ATM switc h8. Fiber op tic  c ab les to ATM interfac es
9. Luc ent ATM switc h B
10. ATM switc h ac c ess terminal B
11. Luc ent ATM switc h A
12. ATM switc h ac c ess terminal A
1 3 . D EFIN I TY EC S EPN
14. Split-cabinet EPN
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							DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration  555-233-124  Issue 1
April 2000
Preparing for Installation and Upgrades 
1-9 Determine ATM Switch Suitability 
1
Determine ATM Switch Suitability
To fully sup p ort DEFINITY ATM-PNC and provid e nonb loc king  ATM ac c ess 
b etween all p ort networks, ATM switc hes must supp ort at least 400 
p oint-to-multip oint switc hed  virtual c onnec tion (SVC) roots or leaves p er 
OC-3/STM-1 interfac e. Bec ause d ifferent switc hes have d ifferent limits—some 
limit roots, some leaves, and  some the total, we have d evelop ed  the Meiners’ 
Alg orithm to d etermine whether a switc h c an supp ort a p rop osed  set of p ort 
networks in a p rop osed  switc h. This alg orithm is availab le to Luc ent eng ineers as 
a c alc ulator within a Mic rosoft Exc el sp readsheet. You may ac c ess the MS Exc el 
file at http://info.d r.luc ent.c om/~ meiners/atm.html
 . Chec k p eriod ic ally for 
updates.
For b est results, use the c alc ulator for one ATM switc h at a time. Use trial and  
error to set the values in the user-defined  values sec tion until the feasib ility 
indic ator rep orts YES
 or PROBABLY
.
NOTE:
Use of this sp read sheet is no sub stitute for thinking . Please ap p ly b asic  
sanity c hec ks to the outc ome. ATM switc hes may have limitations that the 
calc ulator does not c onsider.
To use the c alc ulator, typ e the network layout and resourc e limits for the ATM 
switc h you are using . Refer to the following  c aveats as you inp ut your information:
1. Not all ATM switc hes have limits on all of the values. If a limit d oes not 
ap p ly, enter any very large numb er (1000000 is g ood ).
2. Some ATM switc hes (for examp le, ac c ess c onc entrators) allow a limited  
ab ility to c onfig ure the limits. Other switc hes have fixed  limits. If you d o not 
know the limits, ask the ATM switc h vend or.
3. If your ATM switc h is handling  non-DEFINITY traffic , enter the resourc e 
limits after sub trac ting  the resourc es used  b y the non-DEFINITY traffic .
4. If you are using  an ATM switc h with d ifferent limits on d ifferent mod ules or 
p orts (for examp le, Luc ent Cajun M770):
a. c omp ute the averag e limits p er p ort to whic h a DEFINITY p ort 
network is attac hed .
b . selec t the p ort with the most restric tive limitations.
c . enter the system limit as these limits times the numb er of DEFINITY 
p ort networks attac hed  to that ATM switc h. 
NOTE:
The more partitioned  the limits are, the less ac c urate are the 
results of the sp read sheet.
5. If you answer yes to transit traffic , the c alc ulator may or may not b e ab le 
to d etermine feasib ility. If it c annot, the feasib ility d isp lays as UNKNOWN
. 
						

							DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration  555-233-124  Issue 1
April 2000
Preparing for Installation and Upgrades 
1-10 Determine ATM Switch Suitability 
1
Figure 1-3 shows an example of a calculation.
PROBABLY
 means that this application is okay under any reasonable loads. 
Check the constraint tests results to see what kind of loads might be a problem.
YES means that this application is okay under any load.
NO
 means that this ap p lic ation is not reasonab le. See the Constraint Tests results 
to see what resourc e you are short of. See if you c an inc rease this resourc e, or 
d ec rease the numb er of p ort networks.
Table 1-3. Sample calculation
Network Layout
Customer
SV
ATM switc hAC120
Total number of DEFINITY p ort networks:25
Number of PNs d irec tly attac hed  d irec tly to this ATM switc h:12
Is the DEFINITY PPN d irec tly attac hed  to this ATM switc h 
(yes/no)yes
Number of trunks on this ATM switc h (inter-ATM-switc h 
c onnec tions)1
Any transit traffic  throug h this ATM switc h (yes/no)no
Ag g reg ate p eak p hone c alls rate p er hour in all d irec tly 
c onnec ted  PNs10000
Bid irec tional ag g reg ate trunk b andwid th in Mb p s155.52
Application bandwidth in kbps needed per port network128
ATM Switch Resource Limits (see Limits sheet for help)
N u m b e r  o f  PP SVC s  s u p p o r t e d :1000
Number of PMP (roots) sup p orted :6250
Number of PMP p arties (leaves) sup ported :8334
Number of PMP end p oints (roots+ leaves) supp orted :1000000
To t a l n u m b e r o f  SVC s  ( PP+ PM P) s u p p o rt e d1000000
Per-p ort SVC limit (normally b ased  on VCI rang e)1000000
Setup s p er sec ond  at < 220 ms p er setup1000000
FeasibilityPROBABLY
Bandwidth limited2032 calls 
						

							DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration  555-233-124  Issue 1
April 2000
Preparing for Installation and Upgrades 
1-11 Determine ATM Switch Suitability 
1
UNKNOWN
 means that sp ec ial eng ineering  is req uired  for this ap p lic ation 
b ec ause of the transit traffic . The sp ec ial treatment is nec essary b ec ause the 
feasib ility d ep end s on the volume of the transit traffic . Making  any of the c hang es 
sug g ested  for NO
 ab ove mig ht make it feasib le reg ard less of the transit traffic .
Constraint tests
If your c alc ulations d o not yield  a YES
, this sec tion p rovid es the resourc es of 
whic h you are short. These tests c hec k 7 ATM switc h resourc e limitations ag ainst 
6 d ifferent ap p lic ation sc enarios. A 1 in the Test Results (Table 1-7
) ind ic ates a 
p assed test; a 0 ind ic ates a failed  test. To ac hieve a YES
 feasibility, all 42 tests 
must p ass. To ac hieve a PROBABLY
, only 21 tests (ind ic ated  in bold
) must 
pass.
Table 1-4. Constants
Timeslots per port network  500
Cache hit ratio  50%
EAL+PACL bandwidth 96
Table 1-5. Computed values
Number of nonlocal port networks  13
Effective number of port networks for PP  24
Effective number of port networks for PMP  24
Number of available timeslots  10064
Per-port SVCs (PP+PMP) needed 572
PP SVCs perPN 3
Total PP SVCs 72
PP cells per second required over trunks 15158
Aggregate cells per second available over trunks 366792
Bandwidth-limited maximum phone calls over trunks 2032
Timeslot-limited maximum phone calls over trunks 3000 
						

							DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration  555-233-124  Issue 1
April 2000
Preparing for Installation and Upgrades 
1-12 Determine ATM Switch Suitability 
1
Final notes
The g oal is to engineer the network so that in all reasonab le app lic ations, you 
always run out of DEFINITY time slots before running  out of ATM switc h 
resourc es. This is req uired  to p rovid e ac c ep table servic e to the c ustomer. 
These calculations factor in phone calls only. There is no specific 
ac c ommod ation for the ATM SVC c ac he, or for sp ec ial features suc h as music , 
announc ements, and  g roup p ag ing . The theory b ehind  using  500 as the numb er 
of timeslots in a port network rather than the real numb er (484) is to allow for a 
normal amount of these sp ec ial features. If you use multip le music  on hold , group  
p ag ing , and  so forth, you may need  sp ec ial eng ineering .
This c alc ulator determines that an ap p lic ation is PROBABLY
 feasib le if it c an 
hand le reasonab le ac tivity mixes. The three c olumns in Table 1-7
 that have b old  
entries d efine what is meant b y reasonable. These tests req uire that the switc h 
b e ab le to hand le a c omp lete suite of 2-p arty c alls, a c omplete suite of 3-p arty 
calls, and  a mixed  suite that involves some c alls of each typ e. For best results, 
your ap p lic ation should  p ass all the c onstraint tests.
Any ATM switc h that p roc esses transit traffic  (that is, c onnec tions that d o not 
either orig inate or terminate on any of the p ort networks d irec tly attac hed  to it) 
may req uire sp ec ial eng ineering . This is p ossib le if the numb er of trunks on the 
Table 1-6. Application scenarios
Number of 2-party calls  2516  0  0  0  0  1258
Number of 3-party calls  0  1118  0  0  0  279
Number of 4-party calls  0  0  629  0  0 78
Number of 5-party calls  0  0  0  402  0  25
Number of 6-party calls  0  0  0  0  279  18
Ta b l e  1 - 7 . Te s t  r e s u l t s
Constraint 1: Timeslots111111
Constraint 2: PMP roots11
1111
Constraint 3: PP11
1111
Constraint 4: PMP leaves11
1101
Constraint 5: PMP endpoints11
1111
Constraint 6: Total SVCs11
1111
Constraint 7: Per-port SVCs11
1111
Constraint 8:Performance11
1111
Constraint 9:Trunk bandwidth11
1111