BELL SYSTEM PRACTICES SECTION 231-001-900SW SW. Bell Tel. Co. Issue B, November, 1982
NETWORK DESIGN ORDER PREPARATION NO. 1/lA ELECTRONIC SWITCHING SYSTEM
CONTENTS PAGE USE OF COEES-MO
1. GENERAL 1 1. 0 3 All No. 1/ lA ESS NDOs shall make use 2. ASSUl1PTIONS 2 of the Central Office Equipment 3. NETWORK DESIGN RESPONSIBILITY 2 Engineering System--Mechanized Ordering 4. PURPOSE OF THE NETWORK DESIGN (COEES-MO) as both a tool during the Network ORDER 2 Design process and as the vehicle for produc 5. TYPES OF NETWORK DESIGN ORDERS 2 tion of the basic content of the order. 6. OBJECTIVES OF NETWORK DESIGN 4 However, it is the responsibility of the 7. PREPARATION OF THE HETWORK DESIGH network designer to assure adherence to all ORDER 5 applicable Southwestern Bell policies and 8. FURTHER EXPLANATIONS 8 practices, whether or not they agree with COEES-MO routines. EXHIBITS ESS RESOURCE MATERIAL 1. FACESHEET (SW-7626) 10 2. SUMMARY OF BASIC DATA 11 1.04 The fundamentals of Network Design as 3. LINE CAPACITY WORKSHEET (SW-7628) 12 applied to No. 1/lA ESS Central Office 4. NO. 1/lA ESS UTILIZATION REPORT 13 Equipment (COE) are explained in Bell System 5. NO. 1/lA ESS UTILIZATION REPORT 14 Practices (BSPs) 231-XXX-XXX. Further infor 6. TRAFFIC GROWTH CHART 16 mation may be obtained by consulting the 7. SERVICE CIRCUIT LOAD GRAPH 17 following Bell System Practices and publica tions: 1. GENERAL 66X-XXX-XXX Test Center Operation 1.01 This section covers the preparation 680-XXX-XXX Plant Assignments of a Network Design Order (UDO) for 820-XXX-XXX Equipment Design and No. 1/lA Electronic Switching System (ESS) General Requirements equipment, and is a total replacement for 966-XXX-XXX -- General Description TDI 45, Section E, and the parts of A, B, 759-1XX-XXX -- Central Office Equip and C which relate to 1/lA ESS. As such, it ment Engineering System shall be the primary source document for all (COEES) Southwestern Bell Telephone Company policies TG1A - No. 1 ESS 2-Wire Translation in regard to No. 1/lA ESS NOO preparation. Guide It specifies a uniform format that should be E-8056 -- Questionnaire for followed for all such NDOs. No. 1 ESS Equipment -- D&F DBS Users Manual 1.02 This section is reissued to provide, in part, a revised Network Design Order format, to eliminate redundant D&F informa tion, and to revise several NOO forms.
NOTICE Not tor use or disclosure outside the Page 1 Bell System except under written agreement. SECTION 231-001-900SW
J 1A063A-l -- Trunk and Service that it has been properly and accurately Circuit Engineering scheduled. This also assumes that the job Specification has been included in the budget, and the E-8056A -- Equipment Notes for equipment has been allocated. E-8056 Questionnaire E-8056P -- Preplanning Question 3. NETWORK DESIGN RESPONSIBILITY naire for No. 1 ESS Equipment 3.01 It is the designer's responsibility to E-8070 -- Questionnaire for cover all aspects of traffic sensitive COE Junctor Assigm:~ents in provisioning according to published system No. 1 ESS 2-Wire Offices and SWBT Company policies and procedures, E-8086 -- Questionnaire for No. 1 and to provide adequate correct information ESS Translation Data to be input to the Demand and Facility Chart Recovery and Reprocessing Data Base System (D&F DBS). System Services E-8123 -- No. lA ESS Question 4. PURPOSE OF THE NETWORK DESIGN ORDER naire PG-1 -- Parameter Guide-No. 1 4.01 A NDO, also referred to in System ESS documentation as a traffic order, is PG-lA -- Parameter Guide-No. lA the basic summary of amounts and arrangements ESS of traffic sensitive switching and trunking PG-6A001 -- No. lA ESS Translation equipment required to meet established service Output Configuration objectives for a given group of customers. U1-1A00 1 Input Message Hanual The NDO contains the historical data, projec OM-lAOO 1 Output Message Manual tions, computations and judgement decisions PA-591001 No. 1 ESS Parameter that are used to determine the basic office . . Wh Specification conf ~gurat~ons. ere applicable, it should~ PA-591003 -- Translation Output also quote the policies and practices Configuration necessary for authorizations. With advanced PA-59109 2 -- TAA and TRR Users' mechanization of data, much of the tedious Manual manipulation and repetition of information PA-591099 -- Growth Recent Change can be left to computer programs, saving time (GRC) Forms and effort for the network designer. The COEES-MO is the only recognized method for Southwestern Bell Correspondence File preparation of a No. l/lA ESS Network Design Subjects NO 10.331 and 225.01XX, and Order. It is designed to provide a large AT&T system letters. portion of the content of a complete NDO.
2. ASSUHPTIONS 5. TYPES OF NETWORK DESIGN ORDERS
JOB NEED, BUDGET & EQUIPMENT ALLOCATION 5.01 There are four types of NDOs identified by a sequential number of the form 2.01 This section assumes that the need 8X-S-X to XXX (where 8X is the year of prepara - for a COE job has been determined by tion, S is the section, area, or other design standard company policy and practices and group designation, and X to XXX represents the sequence number). - Page 2 SECTION 231-001-900SW
COMPLETE ORDER (80-S-1) simplifies its use as a source of information about the office by Network Administrators -· 5. 0 2 A Complete NDO for 1/lA ESS Equipment or others. Hhenever an NDO that physically is composed of, at least, the following modifies the office and changes the facesheet pages and reports. These reports and pages and/or the D&F DBS capacities is written, it must be in the order given. must be a Complete Order.
Basic Data: It should be noted that a supplement order will be required approximately 12 weeks prior Facesheet (See Exhibit 1) to the Western Electric ship date in order General Notes and CTX Information to transmit the final version of the Param CAPFIT Run (Required for No. lA ESS eter Requirements and Set Card Order. Upgrades) Summary of Basic Data (See Exhibit 2) PARTIAL ORDER (80-S-3P) Forecast of Lines and Main Telephones Originating and Terminating Trunk Group 5.03 Partial Orders are issued for rela- Summaries (forecasts) tively minor changes or additions to Line Capacity Worksheet (See Exhibit 3) an office when there is no outstanding No. 1/lA ESS Utilization Report (See Network Design Order (unfinished jab-in Exhibits 4 and 5) progress). A Partial Order is never "G0 Plan" Output Report (COEES Planning) acceptable when the work to be done will Traffic Growth Chart (See Exhibit 6) effect a change on the facesheet or D&F DBS Service Circuit Loads and Trends (See (i.e., capacity or exhaust date). A Partial Exhibit 7) Order is composed of only the particular Data Conversion Worksheets (Initial Office pages of a previous Complete Order that are Jobs Only) added to or changed. It is important that Input List (Report No. 1) all pages relating to the changes initiated Edit and Override List (Report No. 2) by the Partial Order be included in the NDO. Service Check Report (Report No. 3) The reissued pages should be numbered identi Call Capacity Analysis (Report No. 4) cally with the pages from the Complete Order Network Analysis (Report No. 5) that they replace. Additional pages should Detailed Equipment List (Report No. 6) be given a letter suffix so they may be Office Capability List (Report No. 7) inserted in the proper sequence. The numbers E-8070 - Junctor Assignment Program (JAP) of the NDO pages changed by the Partial Order Questionnaire should be indicated on its facesheet, and the next (subsequent) Complete Order should ~1erever feasible, the network designer should incorporate all of the changes. A Partial issue a Complete Order via COEES-MO. Order should not be issued following another Partial if a Complete Order has not been A Complete Order insures that essential issued within 18 months. details of the office configuration will not be overlooked in the order-writing process. In addition, issuance of a Complete Order
Page 3 SECTION 231-001-900SW
SUPPLEMENT (APPENDIX) ORDER (80-S-2 Sl) quality service to all network customers with a minimum of capital dollar investment. In 5.04 The appendix function of COEES-HO is estimating equipment requirements, the network designed to make it possible for the designer must predict busy hour usage (and/or network designer to make corrections, attempts) at some future point in time, changes, and/or minor additions to outstand perhaps three or four years away. The ing NOOs. It is also used to issue the designer must decide when the equipment should final Set Card Order 12 weeks prior to the be installed and when the growth for which it Western Electric ship date. A Supplement is provided has been attained. may be used to provide corrections to the facesheet and/or D&F DBS on jobs that have LOAD SERVICE RELATIONSHIP not been completed. As in the case of a Partial Order, all pages of' the Complete 6.0 2 It is the policy of Southwestern Bell Order which are affected by the Supplement's to provide switching equipment and changes should be included, and their numbers facilities in such quantity, type and location listed on the facesheet. Lastly, a Supplement that there is a reasonable balance between Order is to be used whenever it becomes the quality of service rendered and the cost necessary to cancel an outstanding job. to the Company to give that service. Design methods and the tables which serve as engi 5.05 A Supplement shall not be used to neering bases have been developed on that change any part of a completed job, relationship. nor should it be employed to make major changes in an outstanding job (examples: 6.03 Aside from good mechanical and electri- change concentration ratio, extend the life cal performance in setting up calls of the job with a major component, or retro and freedom from human error, customers are fit to alA processor). interested in two principal phases of their telephone service: REVISED ORDER (80-S-4R) 1. The frequency with which connec 5.06 A Revised Order is a total reissue of tions to the desired telephone an outstanding Complete or Partial are established on the first Network Design Order when changes are signif attempt. icant. The suffix R should also be used when it is necessary to correct the NDO of 2. The length of time required to a completed job for record purposes. The complete the connection. sequence number should be the same as that of the NDO which is being replaced. These areas of customer concern may be re stated as several network design considera 6. OBJECTIVES OF NETWORK DESIGN tions:
KIND, PLACE, TIME AND QUANTITY 1. The elapsed time during which each call occupies switching facilities. 6.01 Good network design has as its objec tive the provision of the right kind 2. The number of talking channels of equipment at the right place at the right available in any group to handle time and in the right quantity to give high the total calls offered. - Page 4 SECTION 231-001-900SW
3. The efficiency of the groups of which compensation may be indicated in channels. growth additions. For example, an office which is nearing its stated capacity but 4. The grade of service which can be which consistently performs with 07. matching provided to a given call load of loss is obviously not as close to its actual certain established characteris switching capacity as one of a similar size tics. and configuration which is experiencing some matching loss. On the other hand, a machine These considerations must translate to esti that is continually experiencing noticeable mates of future traffic levels that can be matching loss may need attention even though handled by the switching office at the it has not yet reached the main station desired grade of service. Capacity and quantity stated as its switching capacity. blocking tables have been developed by the It is important for the designer to be aware Bell Telephone Laboratories and are included of both the service results condition and its in the No. 1/lA ESS BSPs. The following potential effect on customer satisfaction and service criteria have been authorized in capital dollar investment. Southwestern Bell ESS offices for Busy Season, Busy Hour, at the peak of the 7. PREPARATION OF THE NETWORK DESIGN engineering interval: ORDER
Busy Hour Dial Tone Delay over 3 seconds - FIRST STEP no more than 1.57. Busy Hour Originating Matching Loss - 7.01 The first step in the development of a no more than 1.07. NDO for No. 1/lA ESS equipment is the Busy Hour Incoming Matching Loss - assembly of all data pertinent to the office. no more than 2.07. This involves receipt of a validated Wire Busy Hour Incoming First Failure to Match - Center Area Forecast and appropriate trunk no more than 2.37. forecasts as well as the acquisition of sufficient validated histofical data to DEFINITION OF BUSY SEASON develop a CCS/MS projection. As much PBX/CTX projected information as possible should be 6. 04 The busy season for local offices is obtained at the beginning of the process. defined as the three months, not necessarily consecutive, during a 12 consecu CAPACITIES IN M+EMT tive month period, with the highest average busy hour CCS load per main station (M+EMT). 7. 02 The M+EMT switching equipment capacity of an ESS entity is the maximum number EFFECTIVE USE OF SERVICE RESULTS INFORMATION of main plus equivalent main telephones that 6.05 Recognition of the fact that network can be served by the switching equipment of design criteria are based upon System that office without exceeding the service averages means the network designer must, as objectives (either originating or terminat soon as possible after the conversion of an ing) for the average busy hour in the busy office to ESS, begin to track its service season just prior to the entity's exhaust. results. These results may indicate a Switching equipment is the inclusive term significant deviation in its load/service for the various items of common control ESS characteristics from those averages, for equipment in the machine. The smallest
Page 5 SECTION 23l-00l-900SW
"maximum number of !1+EMT" is the limitation USE OF DATA defined as the "Switching Equipment Capacity" of the office. The number of M+EMT multi 7.05 For an initial ESS conversion job, the plied by the projected CCS/MS represents the historical data should be assimilated office switching capacity expressed in CCS. via Data Conversion Horksheets (refer to BSP The term "main station capacity" is used 231-061-110) into comparable ESS data. In interchangeably with capacity in M+EMT. the case of a growth addition to an existing ESS, validated COER (formerly PATROL) data APPROACH TO ADMINISTRATIV£ MARGINS is used to project usage (CCS/MS) and/or attempts (CR/!1S) for various service circuits 7. 03 Since interoffice trunk forecasting as well as line link networks, trunk link and engineering is separate from networks, and junctors. These projections in individual wire center network design, the graphical form are a required part of each capacity of a dial entity should not be Complete NDO and, after their preparation limited by trunk circuits. In general, a during the initial office conversion, should 5% "administrative" allotment of TLN termi require only that the network designer assure nations should be provided over and above the that they are current and appropriately requirements stated in the current trunk projected in the light of recent actual data. forecast for the peak of the engineering Exhibits 6 and 7 illustrate some of these interval. In no case should the 5% figure graphs. Data Profiles, a data base contain be used to justify the expenditure for an ing COER data, can be used to generate additional frame. Further, this 5% should mechanized graphs to comply with the -afore not be added if the trunk forecast is already mentioned requirements. Before use, the supplemented with 5% spare TOCs. Certainly designer should insure the validity of the as the office increases in size, engineering Data Profiles data base. judgement would dictate that the objective TLN fill be modified upward where required COEES-PLANNING due to frame breakage. 7.06 These data items then become inputs to 7. 04 Frame breakage has an even greater the No. 1/lA ESS COEES Planning System impact upon LLNs because of the wherein the network designer is able to various concentration ratios and possible determine the most favorable length of engi configurations of fractional networks. The neering interval for the job to be designed. objective administrative line fill should be (Refer to BISPs 759-150-124 and 759-120-120.) ££ lower than 95% unless justified by the Ordinarily, the sizing recommendation result history of the office and supported by an ing from the planning run is the interval administrative line study. In all cases, around which the job should be designed and the percent fill should be computed on the a copy of the "G0 PLAN" output report should form illustrated by Exhibit 3, recognizing be included in each Complete NDO. There may the need to adjust the percent so as to be circumstances which require a different prevent "breaking over" into additional selection, such as the limitation imposed by frames. building size, an area cut, or even an unusu al change in economic situation; therefore, the decision as to engineering interval length cannot be made unilaterally. Although Network Design is charged with the responsi-
Page 6 SECTION 231-001-900SW
bility for the capacities and exhaust dates requested from the system, and the network for the job, the designer must coordinate designer may begin finalizing the NDO. with all those directly concerned with the scheduling of central office equipment and GENERAL NO'):'ES facilities. Any deviation from the "G(,:? PLAN" report must be documented in the NDO. 7.09 The General Notes pages should explai~ numbering plans, unusual arrangement~rr ; ") COEES-MECHANIZED ORDERING of ~ardware or software, and requirements fo~ opt~onally loaded (extra-cost) feature · 7.07 Once the data has been validated and packages, as well as any other pertinent assimilated, the concentration ratio information of an explanatory nature. selected or verified, and the job size Schematic diagrams, particularly of established, the network designer should arrangements, are often helpful. proceed to the determination of inputs to COEES-MO. BISP 759-120-140 (No. 1/lA ESS CAPACITY DETERMINATION HORKSHEETS Mechanized Ordering--Traffic Engineering Considerations, User and Administrative 7.10 The preparation of Capacity Guide) explains the functions and outputs of tion Worksheets is covered in this system. The network designer must be BSP 231-061-130. These worksheets serve as j" particularly aware of the default values so as an excellent tool for communicating to those. to prevent errors in or misunderstandings of concerned, the capacities of all signifi the final equipment configurations. A items in the ESS machine. Although neces thorough understanding of the hierarchial for NDO preparation, they are not required structure of the COEES algorithms is also as a part of the NDO. essential to proper use of this network design tool. NO. 1/lA UTILIZATION REPORT
HARMONY 7.11 From the Capacity Determination Work-u sheets/COEES Service Check, it is 7.08 Harmony is defined as that condition necessary to obtain certain items of infor where all components (major and minor) mation for inclusion in the No. 1/lA ESS exhaust at the same point in time. Major Utilization Report. (See Exhibits 4 and components consist of Networks, Stores, 5.) This report must be submitted as a major frames, etc. Minor components consist part of each NDO and will be forwarded to of Service Circuits, lAO trunks, miscella AT&T Company separately for analysis pur neous units, etc. The objective of the poses. In HILO machines, separate Utiliza network designer shall be to achieve harmony tion Reports for the 2-wire and 4-wire where practical, and most COE jobs should equipment will be required. It is the be designed so as to limit the proposed responsibility of the network designer to office on a major component. Success in assure that the central office job is this endeavor will be evidenced by efficient designed to meet as nearly as possible the objectives of having the right kind of use of the equipment provided, as projected equip~q on No. 1/lA ESS Utilization Report. It may rnent in the right place at the right time · also have a decided impact upon the actual and in the right quantity. Obviously, the objectives are best met when the utilizations design length of the job. Once harmony, if .."•j indicated, has been achieved, the order can are high. (That is, as near to 100% as is be "frozen". The printed reports can be Page 7 SECTION 231-001-900SW
possible and practical. In very small cir Design Order should always contain the Entity cuit groups, breakage n~y be such that it is Name, the Equipment Type, the Common Language impossible to achieve a utilization in the Location Identification (CLLI) Code, Estimate 95 to 100% range.) The network designer Request Number, the Job Record Sheet Number, should insure that any equipment which will and the Required for Service Date of the job. not be fully utilized by the end of the current and subsequent design intervals will 8.03 The CLLI Code is an 11-character be removed from the office. This policy mnemonic code that uniquely identifies should be applied to all components of COE a specific location. It is broken down for (Universal Trunk Circuits, Hiscellaneous local switching equipment generally as Trunk Circuits, HILO Trunk Circuits, Line follows: Equipment, Recorded Announcement Frames, City - 4 characters, State - 2 characters, etc.). Building - 2 characters, Entity - 3 characters. 7. 12 The equipment should be physically The entity name in No. 1/lA offices will removed from the office to recover frequently be stated CGX, where X represents processor real time in scanning. If removal the Control Group Number. costs are prohibitive, the equipment may be retired-in-place. 8.04 Refer to BSP Section 795-000-000 Index listing for the BSP for individual 8. FURTHER EXPLANATIONS states' CLLI codes if one has been established for the switching office. If one has.not yet 8. 01 The following paragraphs describe been established, the network designer should some of the required components of a contact the CLLI Coordinator in the appropri- Complete Network Design Order. Some of the ate Network Engineering group. forms at the end are blank copies suitable to be reproduced in local copy bureaus. 8.05 The Nature and Necessity for Work area Other exhibits are merely representative and of this facesheet should reflect care may be modified to suit sectional require ful thought and consideration by the network ments. designer. Full explanation of the job re quirements and authorizations is required. FACESHEET (SW-7626) Any information having an impact on the deci sion to meet dates or expend capital dollars 8. 02 Exhibit 1 illustrates the facesheet can be included. required for No. 1/lA ESS offices. Definitions for most of the items of infor- 8.06 The considerations involved in mation in the boxed in capacities section preparing a Network Design Order may are listed in the Demand and Facility Data involve all Departments and Western Electric. Base System (D&F DBS) Input Manual. However, It is vital that the work be carefully done the Most Limiting Item is not necessarily and the decisions reached knowledgeably and the Limiting Switching Equipment Item as objectively. The facesheet is the summariza encoded for D&F DBS, but rather the item tion and presentation of all of the designer's which first limits the growth of the office. efforts; it should be an indication of how (lines, numbers, LLN load or MF Xmtrs, for well these responsibilities have been dis example.) The heading of an ESS Network charged. - Page 8 SECTION 231-001-900SW
DEMAND AND FACILITY CHART DATA BASE SYSTEM tabular form. If the Part A is included in the NDO and the Network Design Engineer has 8.07 The Demand and Facility Chart is the verified that the service results data is - summary of a switching accurately posted, then the Service Results office job schedule and its effect on construction Graph may be discontinued. budgeting. Any job which impacts the capaci - ties of an ESS machine will be reflected on 8.12 TRAFFIC GROWTH CHART the D&F Chart. When the D&F Chart, Part A, contains at least four busy seasons of historical 8.08 Southwestern Bell leases computer data, it may be substituted in the NDO for memory from the AT&T Company and uses the Traffic Growth Chart. Otherwise, the a program called Demand and Facility Chart Traffic Growth Chart will continue to be Data Base System (D&F DBS) to support the file required in order to show the additional of facility chart information and to produce historical data not shown on the Part A. numerous reports as well as the charts them This will occur on dial-dial conversions selves. It is imperative that information where the new entity Part A will not show maintained in the system be as accurate and the old entity historical data. Since the up-to-date as possible. To facilitate the Part A CCS/MS graph is smaller in area than transfer of information from the Network the Traffic Growth Chart, it must be examined Design Order to the D&F data base, it is by the Network Design Engineer to insure recommended that updates be marked directly legibility. Part A charts in NDOs routing onto the Part B. for approval or in Estimate Requests routing for approval must be full size. 8.09 The Demand and Facility Chart Data Base System Input Manual should_ be consulted whenever clarification is required for a definition of an input item.
8.10 TRUNK SUMMARY Item three of the NDO is the Originat ing and Terminating Trunk Group Summaries report. This report should summarize by Trunk Order Code (TOC), all trunks and service circuits. Included in this report should be beginning of period and end of period require ments plus a separate entry for spares - for each TOC.
Each section shall use a form suitable for their own purposes, providing it includes the above information as a minimum.
8.11 SERVICE RESULTS GRAPH This graph is used to display Dial Tone Speed and Matching Loss historical results for an entity. The D&F Chart Part A contains this same information in Page 9 SECTION 231-001-900SW EXHIBIT 1 Form SW-7626 @ Southwestern Bell (Rev 8-82)
Retention Period-See J.P. 47
NETWORK DEPARTMENT NETWORK DESIGN ORDER NO. NETWORK ENGINEERING ______SECTION APPROVAL DATE Entity Name/Equipment Type
CLLI I I I I I City State Bldg Entity Estimate Request No. WCAF Dated ______Validated Job Record Sheet No. Trunk Forecast Dated Validated Required For Service Date Nature and Necessity For Work:
SUMMARY OF EQUIPMENT CAPACITIES PRESENT PROPOSED GENERIC LU/LLN/LTN CONCENTRATION RATIO SWITCHING CCS CAPACITY · SW EQUIPMENT M + EMT CAPACITY · SW TALKING CCS CAPACITY· TC CHANNELS M + EMT CAPACITY · TC INSTALLED TERMINATION CAPACITY LINES (LINES) TERMINATION CAPACITY (M + EMT) EXHAUST DATE TERMINALS OR INSTALLED NUMBERS TERMINATION CAPACITY (M + EMT) MOST LIMITING SWITCHING ITEM D&F CODE I I
ITEM MOST LIMITING OFFICE MS CAPACITY DATE OF OFFICE EXHAUST CCS/MS AT OFFICE EXHAUST Signature and Title Telephone Number
PREPARED: ______~--~------
CHECKED: ------~--~------ CHECKED: ------~--~------RECOMMENDED: ______~--~------
APPROVED: ______~--~------
Page 10 Offlclel File Copy, unless reproduced SECTION 231-001-900SW
EXHIBIT 2 - Summ~ry of Basic Data
Line Link Network Data LLN Concentration Ratio Concentrator type (2:1 or 4:1) LSC/LSFs Per Full LLN LLNs Equipped ------CCS/MS (EOP) ------
Trunk Link Network Data Trunk Concentration Ratio TLN Type (1024 or 2048) TSC/TSF Per Full TLN TLN's Equipped CCS/Trunk Termination (EOP) --·--·------
ABS-BH End Of Period Call Data Total Incoming Calls (Incoming Term. and Tandem) - Incoming Terminating - Tandem Thru Switched Total Originating Calls - Originating Outgoing - Originating Intraoffice Total Originating and Terminating Total Originating+Incoming Incoming By-Link Calls --·------Average Digits Per By-Link Call Incoming MF Calls Incoming DP Calls Outgoing MF Calls Outgoing DP Calls
Page 11 ~~~LLUn LJl-UUl-YUUSW
@ Southwestern Bell SW-7628 [9-82)
Retention Period: See J.P. 47 EXHIBIT 3 OFRCE ----- NOD# ------• ·~ GENERIC ----- ....., DATE------
LINE CAPACITY WORKSHEET ESS JOBS
1 J TOTAL LINES INSTALLED * 2J ASS CHANNELS 3J SCREENING LENS/TENS [If Required) 4) PLANT TEST LINES 5) NO TEST LENS/TENS 6J TRUNKS AND SERVICE CIRCUITS (Folded Networks Only) 7] UNAVAILABLE LINES [Total Items 2 Thru 6J ------* 8] ASSIGNMENT LISTS
9) CABLE THROWS
1 OJ MAINTENANCE SPARE
11] ADMINISTRATIVE MARGIN [Total Items 8 Thru 1 OJ 12] WORKABLE LINES (Item 1 Less Item 7 and 11 J ------* 13] AVAILABLE LINES [Item 1 Less Item 7] 14J DERIVED% Rll (Item 1 2 + Item 1 3 times 1 00) ------* 15) MS to LINE RATIO at EOP 16) LINE CAPACITY STATED IN MS (Item 12 Times Item 15) ------* 1 7) FORECASTED MS as of [EOP) 18) UNUSED MS [Item 16 Less Item 1 7] 19) FORECASTED MS GROWTH PER MONTH 20] NUMBER OF MONTHS GROWTH PAST EOP (Item 18 + Item 1 9. Rounded Up)
21] EXHAUST DATE ------*
* = Face Sheet or D&F Item MS = Main plus equivalent main telephone Oftlclel File Copy, unless reproduced ( (
NO.1/lA ESS UTILIZATION REPORT
o..,§L26/7!i__No l_ess Report Prepared By Jane Doe Return Completed Report To N D. 8la11 Olloc• {CLLI CmloJ:.!STNTXJACGQ r. 11,Specialist-N. D. Swg. So. Am 3453C2 295 N Maple Avenue C•tv&Statf'Houston, Texas Submolted Bv------8<1sk mg RrdQe. N J 07920 Servoce Oatt> For New Job lQ /80 Trtfe------E :o:l'laust Date For New Job 6/8 3 Laten Busy Season Data Highest Busy Senon For Thit Adcht1on
Total CttCU!ts ccs ccs ccs Total (II CUltS ccs ccs '\.Annual Servoce Cucurts ccs CttCUits Provtded Capac tty Ol!mand f'en::ent Cnr:u''' Provtded Demand lncrea~e PPt{P(1f Provtded For Trafftc Provtded p, _Em Tno!L< ~::v":'~ .n. Ut•l•zallon A10Col.4 AIOCol 5 AI OCol 1 A.l.O Col. 12or16 AI"" 0 Col 17 AIOCol 4 A10Gol.5 AI 0 Col l AI OCol 120r 16 AI 0 Col 17 MF Recervers 34 32 732 706 96.4 45 42 1083 --~- 1008 3.00 98.5 OP RPCPIIIPIS 8 0 0 0 2 ___0___ 0 - ~------· ------1-__Q_ - ~- - MF Tr,1n~rnotters 58 55 1256 764 60.8 54 51 1143 1109 31.1 97.0 ·------OP Transrn•tters 40 38 783 252 38.2 f----20 18 276 252 0 91. 3* Cu\\Omt-r D•q1t Re-cewers - OP 0 0 0 0 0 0 M f----._o__ !--- f--- _Q___ f------· - ---·-- - - ::< Customrr Otqot Recel'olt'qul;u Rongu1g (!I CUrts 228 tJj 226 6566 3730 ------56.8 156 154 4265 3856 3.5 90.9* H AudrhiP Aonqong CIICUI\S t-3 225 223 6469 3982 -----61.6 156 154 4265 4108 3.1 96.3 AJO Col 4 AJO Col 5 AJ.O Col. 1 AJO Col 10 ~~0___£~!__~_2_ --~~-~_£~~~ t--AJ_
Percent r.cs Per LSC LEN ccs PPtCPnl CCS Per LSC LEN ccs I RCRC/MCRC NPtworl•:s Admtn Worktng Installed LJA I P~lU'n' ~IC.,.I\t I JR Admm Workmg Instilled PPrct'nl Pe1ct'nt Plannprt Margtn L•ne Uttl,zatton UttltZiltton Margm ltrn! Ut•l•zatton Ut•ltlilltOn LLN B Col 4 B Col 10 B Col 16 B Col 4 B Col 10 B Col 16 2:1 I 12 4.51 60 94 50 2:1 '10** 4.51 60 94 54 I Yes
Network CCS Per TSC TNN ccs Network CCS Pt'r ccs BCRC TLN TSC TNN TJR S•ze Workmg Installed Percent Percent TJR $t7e WorktnQ Installed PPtCPnl PPrcent Planrwd [./) local Or Comboned Qfloce I 1024/1048 Terrntnal f--...;:Ut•l•zatton _!~24(2q-:~ -- t------!-~rmmal ~·••zat•on M I ~~~~~~~~iT- -- (") .I-- CIOCol 4 ~1 0 Col 12 CI.O Col. 4 ~~~·~·~·ri- r.,.~ 2Wore t-3 1:1 1o24 9.44 60 98 56 1:1 1024 13.2 60 98 95 I No H I - 0 4Wore IHILOI z -- No LLN Offoce C20Col 5 ~~~--~?_!___'~-' C20 Co!. 5 C20Col 10 C20Col 15 N ]Wore w ...... '"d 4 Wore (HILO) I !)) C> ()Q C> Ill • Sectoon And Column Numbert Refer To Network Oesrqn BSP 231-061 130 **See Adm. Line Study Page 24 of the NDD...... I ...... \0 w C> C> [./) ::::::
I I
I I
~ ~
(/) (/) 0 0
0 0
\0 \0
f.-' f.-'
0 0
f.-' f.-'
0 0
...... , ...... ,
N N z z
0 0
H H
>--'l >--'l
tr:1 tr:1
("') ("')
Ul Ul
~ ~
tTl tTl
H H
t:d t:d :I! :I!
H H
>--3 >--3
\J1 \J1
(_ (_
( (
63 63
36 36
BCRC BCRC
Plann,.d Plann,.d PtannPd PtannPd
-
98.23 98.23
97.73 97.73
97. 97.
98. 98.
98.85 98.85
98.94 98.94
66.67' 66.67'
48.15' 48.15'
Sub
No No
-~ -~
8CRC'MCRC 8CRC'MCRC
-
I I
l l
I I
-
~"--'"'-'-'-
I I
12 12
15 15
16 16
95=±~0 95=±~0
Col Col
Col Col
07920 07920
ccs ccs ccs ccs
100 100
Col Col
PPrcent PPrcent
Percent Percent
8 8
1.0 1.0
Utdrzation Utdrzation
Utr!rzatron Utr!rzatron
C2.0 C2.0
_ _
-
-
-
-
N N J
A11enue A11enue
I I
9 9
Utilization Utilization
Rtdge, Rtdge,
10 10
Maple Maple
10 10
I I
Starr Starr
N N
98 98
3453C2 3453C2
95 95
LEN LEN
0 0
Col Col
OCol OCol
TNN TNN
PPtCt'nT PPtCt'nT
Pf'tCPnl Pf'tCPnl
N N
8 8
Am Am
195 195
10 10
Bask.tng Bask.tng
UtthzattOn UtthzattOn
Uhhlatron Uhhlatron
Cl Cl
C70Col C70Col
7 7 - 4 4 -
_ _
Addttton Addttton
--
(, (,
Col Col
13 13
Adrith0f1 Adrith0f1
I I
Takes Takes
To To
---t---
0 0
215 215
24 24
748 748
This This
4 4
2779 2779
TIHt TIHt
4 4
A3 A3
For For
Col Col
Report Report
15 15
18 18
Fm Fm
_ _
LSC LSC
Col Col
TSC TSC
I I
0 0
Unit Unit
8 8
Installed Installed
Installed Installed
C1 C1
C20Col5 C20Col5
SeatOn SeatOn
7 7
~non ~non
Buty Buty
Completed Completed
6 6
-
Col Col
Buw Buw
27 27
Less Less
Per Per
220 220
253 253
756 756
Per Per
AJO AJO
____:-_ ____:-_
2956 2956 2922
2224 2224
Lme Lme
Retutn Retutn
CCS CCS
4.27 4.27
------
Workrng Workrng
CCS CCS
Htghest Htghest
Workmq Workmq
Termrnal Termrnal
16.92 16.92
lOOHtghett lOOHtghett
______
m m
2 2
5 5 9 9
Size-One Size-One
5 5
o;oiS___ o;oiS___
12 12
13 13
17 17
------56 56
over over
Sr1e Sr1e
Prov•rl Prov•rl
Mar Mar
Pf'rcPnt Pf'rcPnt
Admm Admm
Nf'twork Nf'twork
1024 1024
1024/2048 1024/2048
--
----
I I
I I I I
r~~4_2__ r~~4_2__
Group Group
~
-.,.. -.,..
JR JR
3 3
6 6
I I
TJR TJR
36 36
18 18
66 66
14 14 4:121 4:121
1:1 1:1
CtrCUth CtrCUth
U_l_ U_l_
114 114
stantially stantially
*Small *Small
------
(_ (_
______
t-----
t--.:3~~~1 t--.:3~~~1
I I
I I
REPORT REPORT
15 15
't 't
16 16
" "
17 17
ccs ccs
CCS CCS
Col Col
Pt'tcent Pt'tcent
b b
Pe•cent Pe•cent
8 8
---
Utr_l_rz~!~o~ Utr_l_rz~!~o~
Utrhzatron Utrhzatron
Col Col
0 0
C10Col12 C10Col12
ccs ccs
0 0
Percent Percent
J J
AI AI
-AJOCol -AJOCol
UTILIZATION UTILIZATION
I I
-+---
TN~ TN~
ESS ESS
Percent Percent
C10Col9 C10Col9
Utrlr:.a:ron Utrlr:.a:ron
C20Coi~-~0Col C20Coi~-~0Col
llor16 llor16
Initial Initial
1/1A 1/1A
--
ccs ccs
DPmand DPmand
* *
5 5
NO. NO.
AI_OCol. AI_OCol.
Data Data
Col Col
+---
Data Data
C2.0 C2.0
7~-0~~-~ 7~-0~~-~
-N.D. -N.D.
Seuon Seuon
Suson Suson
Busy Busy
Busy Busy
.~OCol .~OCol
Supv. Supv.
lateH lateH
I I
Latest Latest
rv. rv.
---+~---+------+--
5 5
Se Se
Smith Smith
( (
130 130
~-
Margm Margm
Percent Percent
Admm Admm
AJOCol AJOCol
231.(}61 231.(}61
Ntwk. Ntwk.
John John
I I
I I
BSP BSP
r.u. r.u.
4 4
By By
Desrqn Desrqn
LJA LJA
TJA TJA
Total Total
AJOCol AJOCol
Network Network
"'"""P"P"'""' "'"""P"P"'""'
~----+---
e--.----+---
1------
.1------
•J •J
To To
Refer Refer
DP DP
TT TT
(_ (_
-
_l.ss _l.ss
Oklahom~bm•tted Oklahom~bm•tted
11/81 11/81
Number• Number•
Offrce Offrce
Crrcurts Crrcurts
79.o 79.o
Job Job
Crrcuttl Crrcuttl
(trcutH (trcutH
Aeceovers Aeceovers
Recetvers-
Column Column
NewJob~4 NewJob~4
Nl:'w Nl:'w
gmg gmg
Combrned Combrned
(HILO) (HILO)
lHILOl lHILOl
Offrct' Offrct'
......
Otqll Otqll
Ooqtt Ooqtt
And And
For For
r~ r~
Ro!"lgtnq Ro!"lgtnq
For For
Or Or
Conlt>rf'nce Conlt>rf'nce
"~"';'~LSOKTECGO "~"';'~LSOKTECGO
ron ron
LLN LLN
W•re W•re
C~rcu•ts C~rcu•ts
O.:~te O.:~te
TrJn~mdtNS TrJn~mdtNS
R!"C!'IVI:'I~ R!"C!'IVI:'I~
4 4
2Wrre 2Wrre
Ro>cPrver~ Ro>cPrver~ 4Wrre 4Wrre
Tran~rn,fters Tran~rn,fters
1Wrre 1Wrre
Date Date
:, :,
State_l'~_lsa, State_l'~_lsa,
No No
1 Local Local
Port Port
Sect Sect
LLN LLN
Requli" Requli"
TLN TLN
& &
3 3
Audrhle Audrhle
OP OP ( (
• •
DP DP
Customer Customer
MF MF
Customr·r Customr·r
MF MF
N~tworks N~tworks
.,," .,,"
$Prvtcl' $Prvtcl' .,.0ctober' .,.0ctober'
EJo:hau~t EJo:hau~t
c,tv c,tv
0
0
Sforvtce Sforvtce
n> n>
f.-' f.-'
+:-
"d "d
I» I» OQ OQ (
NO.1/lA ESS UTILIZATION REPORT
Date ____ No _ESS Report Prepared By ______Ret'!rn Completed Report To N.D. Blatr Ofhce ICLLI Code) ______Toll•------Am 3453C2 295 N. Maple Avenue Coty & State ___ ------Submotted Bv ------Baskong Rodge. N.J. 07920 Serv•ce Date For New Job ____ _ T1tle ------Exhaust Date For New Job ____
latest Busy Season Data H1ghest Busy Season For This Addition Total CltCUltS ccs ccs ccs Total Sf"tVICI! CHCUitS C•rcUitS ccs ccs %Annual ccs Cncuits Prov1ded Capac•ty Demand Percent C~rcuit~~; Prov1ded Capac tty Demand lncreallie Prrc:Pnt Prov1ded For Traff1c Provrded Utili.zatoon ___..E>r.o.voded Fno Tralloc Prn.ided In Oemanrl Ut1h1atron Al.O Col. 4 A1.0 Col. 5 A1 OCol. 7 ~.1.0 Col. 12or16 A1.0Col. 17 A1.0 Col. 4 MF Rt>cetvrrs • Al.OCol. 5 A1 OCol 7 A1 0Col.120r 16 A 1 0 Col. 17
OP Rt>Cf'tlters -----
f------MF T rJmnHtters ------~- --r-- OP Transrn•tters tr1 --t------·- r------><::r:: Custompr O~•t Rece•vers - OP -· H tJj -·------· f------~------·- Customf'r ------H D•q•t Rece•vers - TT >-3 ----- ·----- ·------Requl.::.• H tng•ng CnCUits ---- _, Vl - c----·-- e--. ------t-·------Audthlp Rtngmg C~rcults -· 0 0 ------!:l A3.0 Col 4 A3.0 Col 5 A3.0 Col. 7 AJ.O Col. 10 AJ.OCol_~ 1--- A3 0 Col. 4 AJ 0 Col. 5 A3.0 Col 7 c-t • r----· f--· AJ 0 Col. 10 A 3 0 Col 12 3 Port ConlerPnce C.rcUtts i 0..
late!! Busy Season Data Highest Busy Season For This Addition
Percent r.cs Per LSC Networks LFN ccs Pf'trf'nt CCS Per LSC LEN BCRC/MCRC Adm•n. ccs LJR Work•ng Installed Perc~nt PefCt>llt I JR Admm Work•ng Installed PPrcent Percent Planned Margtn lme Ut•l•za_t!.2_rl__ ~~at•on Margin Lme Utilrzatton Utrhzation LLN B Col. 4 B Col. 10 • B Col. 16 B Col 4 B Col. 10 B Col. 16
Network CCS Per TSC TNN TLN ccs Network CCS Per TSC TNN TJR ccs BCRC S•ze Work•ng Installed Percent Percent TJA St7e Local Worktnq Installed PNcPnt PPrcent Plannf'd Or Comb• ned Off1ce 1024/2048 Term•nal ----- Ut•llzat•~~ r--~l!!!}_·_~_!~ 1024/2048 1ermmal Ut1lizat•on Ut•llzation - Cl.O Col. 4 ClO Col 9 • ~1 0 Col. 12 C1.0Co1.4 Cl.O Col. 9 2 W1re C1.0Col 12 U) 4 w.. e IHILOJ tr1 0,., No LLN Offoce C2.0Col.5 C2.0 Col. 10 C20Col.15 H • I--· C20~~ C2.0 Col. 10 C2.0 Col. 15 0 2 W1re z
- - - ... ·------'----- N 4 w,,. {HILOJ -----~-- w ·"d ...... :~~> 1 ]Q 0 ·ro • Sect1on And Column Number\ Refer To Network Design BSP 231-061 130 0 ...... ·I-' I .\.11 \0 0 0 U) ~ SECTION 231-001-900SW
EXHIBIT 6
EXAHPLE OF NETIJORK LOAD GRAPI-i
_) TRAFFIC GROviTH CHART Line Link Network CCS PER M+E.M.T. ( Includin Reserve Path Load ) 7.0
~ 6.0
5.5
5 .o
4.5
4.0 CCS M+EMT ;.4; ~~ 7 7 7 :0 81 82 I 81 I 84 I ac; I b6 R\.""" l
Page 16 SECTION 23l-00l-900SW EXHIBIT 7
EXAHPLE OF SERVICE CIRCUIT LOAD GRAPH
M F RECEIVERS
Avera e Bus Season Load
300
2)0
200
I I I J Servers =15' CCS Capacity = 269 I I I I
CCS/MS I fccs/MS 1-FFH-t hTm f+ 1-l-l-LU
: I i?~~~
.005 ' mm + ~ •r+I' .005 f+t+H '~o~5 ffiffl J..l..llJ. ~ "-"""" ) 1C 7 1 1979 Lq \0 11<181
Page 17 17 Pages