WEco Switching Systems Circa 1972 Ocr r

7/27/2019 WEco Switching Systems Circa 1972 Ocr r

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PRINCIPAL OFFICE SE:

M ~ t r o p o l i t a n com u -r it erou

lines and high ca ing ra e

NEW START RANGE:

4,000-10,000 Lines

GROWTH TO:

65,000-110,000 Lines

CALL CAPACITY:

A. BHC: 95,000 average (105,000 after 2Q73)

B. CCS: Variable

ENGINEERING CONTROL:

Indian Hill PECC

INITIAL MANUFACTURE:

1963

ORDER INTERVAL:

64 weeks for a new 235 frame office

(58 weeks after 3Q73)

OFFICE SIZE:

Approximately 150 frames are required for

a typical 10,000 line office.

SHIPPING AND HOUSING:

Wired frames are shipped and installed

in a conventional building.

SWITCHING NETWORK:

8 stage ferreed network

(Remreed replaced ferreed in 1973).

COMMON CONTROL:

The No. 1 processor

(The No. 1A processorwill

replace the current processor in 1976).



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CI L OFFICE USE:

Small to medium ize urban or

uburban area.

NE START AGE:

1,000-9,000 lines

G OWTHTO:

10,000-20,000 lines

CALL CAPACI Y:

A. BHC: 19,000

B. CCS: 110,580

E EERING CONTROL:

Indian Hill PECC

INITIAL ANUFACTURE:

1970

ORDER ITER AL:

49 weeks in 1973

OFFICE SIZE:

2400 square feet for a minimum off ice

(approximately 33 frames)


Wired frames are shipped and installedin a conventional building.

SWITCHING NETWORK:

Folded 4-stage space division network

COMMON CONTROL:

The No. 2 processor (The No. 3A processorwill replace the current processor in 1976)



PIC P 0 FICE USE:

Small to medium size urban or suburban

areas. Also areas where the shortened order

interval offered by a pre-tested modular

system is important.

E STA T A E:

1,000-9,000 lines

GROWTH TO:

10,000-20,000 lines

CALL CAPACITY:

A. BHC: 19,000B. CCS: 110,580

ENGINEERING CONTROL:

Indian Hill PECC


1972

ORDER INTERVAL:

30 weeks objective in 1975

OFFICE SIZE:

1 power service module (12 x 24 ft),

1 equipment receiving module (12 x 12 ft),

1 administration module (12 x 48 ft) optional

2 to 8 equipment modules (12 x 48 ft each).


System tested modules are shipped to the

site where a facade is erected around them.

SWITCHING NETWORK:

Folded 4-stage space division network

COMMON CONTROL:

The No. 2 processor (The No. 3A processorwill replace the current processor in 1976)



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RI CIPAL OFFICE USE:

Small to medium size urban or

suburban areas.

NEW START RANGE:

1000-9000 lines

GROWTH TO:

10,000-20,000 lines

CALL CAPACITY:

A. BHC: 40,000

B. CCS:

ENGINEERI G CONTROL:

Indian Hill PECC


Proposed for 1975

ORDER INTERVAL:

Wil l be the same as No.2 ESS

OFFICE IZE:

Same as No. 2 ESS except that the processor

frame line ups are approximately 113 as long.

S I GAD HOUSI G:

Wired frames are shipped and. installed in a conventional building.

SWITCHI G NETWORK:

Folded 4-stage space division network.

COMMON CONTROL:

No. 3A Processor.

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CI A OFFICE USE:

Small to medium ize urb n, uburban

or rural rea.

E START RA GE:

300·1500 line

GROWTH TO:

4,500 lines

CALL CAPACITY:

A. SHC: 8,000

B. CCS: 21,600

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r-l ENGINEERING CONTROL:

Columbu PECC

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INITIAL MAN FACTURE:rPropo eel 1975

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ORDER INTERVAL:

Proposed 16 weeks

OFFICE SIZE:

A typical 1800 line office requires a

12 x 30 ft building and 9 or 10 frames.


System tested modules are hipped

to the site, or wired frames areinstalled in a conventional building.

SWITCHING NETWORK:

S- tage folded Remreed network

CO 0 CONTROL:

No. 3A processor



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P I CIPAL OFFICE USE·

4-wire toll and tandem operation

E STA RA GE:

None Specified

GROWTH 0:

70,000 trunks

CALL CAPACITY:

A. BHC: 350,000 bUsy hour attempts

B. CCS: 1,350,000 (peak level)

ENGI EERING CO TROL:Indian Hill PECC


Proposed 1976

ORDER INTERVAL:

18-24 months initially (12 months by 1979)

OFFICE SIZE:

10,000 sq ft for 70,000 trunks (600 frames)

SHIPPI GAD HOUSI G:

Wired frames are system tested, shipped

and installed in a conventional building.

SWITCHING NETWORK:

Solid state, time division digital switching

network

CO ON CONTROL:

The No. 1A processor



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Metropolitan communities with

numerous lines and high call ing rates

A E:

4,000-10,000 lines

G 0 HT

55,200 lines

CA L CAPAC

A. BHC: 27,000

(40,000 with marker speed-up)

B. CCS: Variable

ENGIN CO R L:

Columbus PECC

I ITIA A UF CTU

1936

ORD R I T RV L:

28 weeks to engineer and furnish a 50 frame

office.

OFFIC IZ :

84 x 102 ft required for a medium traffic office

(approximately 40,000 lines)

SHI PI GAD HOUSING:



TCHI G E WO

4-stage crossbar switch network

COMMON CO TR L:

Markers, senders, connectors

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E STA TRA E:

100-400 lines

GRO TH TO:

800 lines

DER I TE VAL:

6 months for a 400 line office

SWITCHING ET ORK:

Three-stage crossbar switch network

E GINEERING CONT OL:

Columbus PECC

CALL APACITY:

A. BHC: 5000 for a 400 line office

B. CCS: 3168 for a 400 line office

PR IPA OFFI USE:

Community Dial Office whose maximum

growth will not exceed 800 lines.

OFFICE SIZE:

A minimum building will need 16 x 45 ft

of inside dimensions. 17 frames are

needed for a 400 line office.

INITIAL ANUFACTUR

Proposed 1973

COMMON C TROL:Marker

SHIPPI GAD HOUSI G:

Pretested equipment is -transported

on a steel platform and installed

in a conventional building

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E GINEERI G CO T OL:< 1

Columbus PECC

I 1i I'c__ ,J INITIAL MANUF CTURE:

1942

EW START A E:

2,000-10,000 trunks

PCP OFFICE U

4-wire toll and tandem operation

CAL CAP CITY:

A. BHC: 130,000 busy hour attempts

B. CCS: 250,000

o DER TER

38 weeks to engineer and furnish

an 80 frame office with ETS.

SHIP ING AND HOUSING:



OFFICE E:

25,000 sq ft for a ful ly equipped office

(excluding power and toll equipment),

approximately 1600 frames are required.

SWITCHI G ETWORK:

Crossbar switch network

THTO:

16,000-22,000 trunks

COMMON CONTROL:

Senders, convectors, markers, decoder

channels, Electronic translator system (ETS)

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P L CE E:

Small to medium size urban or

suburban areas.

T T E:

3,000-5,000 lines

GRO TH TO·

unlimited

CALLe ACTY:

A. SHC: 69,000 per 3,000 lines

B. CCS: 86,500 per 3,000 lines

ENGI EE ING CONTROL:

Columbus PECC

I ITIAL A UF TURE:

1947

ORD RITEL:7 months for a 3,000 line office

OFFICE SI

40 x 57.5 ft for a 3,000 line office. Average

of 68 frames fo r a 3,000 line office



S ITC ING TWOR:

4-stage crossbar switch network

co CO T OL:

Markers

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4-s age small crossbar switch network

Comm ni y Dial Office whose maximum

growth il l not exceed 2000 lines

Columbus PECC

980 lines minimum

A. SHC: 12,000 for 1960 linesS. C S: 6,000 for 1960 lines

6 months for 0 l ine office

1960 lines

F

First switching equipment module for

980 lines=10x42 ft. Power module 10x20 ft.

Second switching equipment module

for additional 980 lines=10 x 22 ft.

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IPre-tested modules are shipped and

installed in a conventional building.



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ORDER I TERVAL:

26weeks (engineer and furnish)

GROWTH TO:

60,000 to 70,000 lines (economic limit only)

COM ON CONTROL:

Available in two forms:

(1) for TOUCH-TONE only,

(2) For control led out pulsing, (a) with

TOUCH-TONE, and (b) Without TOUCH-TONE.

TOUCH- T O N E ~ Available in two forms:

(1) Noncommon control TOUCH-TONE, and

Common Control TOUCH-TONE.

SWI CHING NET ORK:

Step-by-step switch network

IAL MA UFACTURE:

Prior to 1925

E START RA GE:

2,000-10,000 lines

CALL CITY:

A. BHC:}Not applicable-equipment orderedB. CCS: per traff ic requirements.

ENGI ING CONTROL:

Hawthorne PECC

PIC P L OFFICE

Metropolitan communities with numerous

lines and high calling rates.




OFFICE SIZE:

Multiples of 10,000 lines

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SWIT HING NETWO K:

Step-by-step switch network

IPPI GAD U I G:

Wired frames are shipped and

installed in a conventional building.

E E VAL:

22 weeks for up to 20 shelves of

equipment-26 weeks for over 20 shelves

of equipment (engineer and furnish).

A. BHC:}Not. applicable-equipment orderedB. CCS: per traffic requirements.

Co CO T L:

Available in Two forms:

(1) For TOUCH-TONE only.

(2) For Control led out pulsing. (a) With

TOUCH-TONE, and (b) Without TOUCH-TONE.

TOUCH-TONE: Available in two forms:(1) Noncommon control TOUCH-TONE,

(2) Common control TOUCH-TONE.

OFFICE SI E:

Standardized layouts for 400) aoo,

and 1500 lines.

1500-2000 lines (can go to 8000 lines with

alarm changes).

E:

Community Dial Office providing

primarily plain-old-telephone service

with few new features.

I TI L A F CTURE:

1939

T "Mnl l . . . ' J I l : : .

100-400 lines

1 : : 1 ~ ' . . 2 I I ..EER G CO T OL:.Hawthorne PECC



4,000-10,000 lines

L M I 1 ~ N l I F I 1 ~ ( ; I

ITe

Panel-type selector network.

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7,500 square feet for a typical

10,000 line office.

22 weeks (engineer and furnish)

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40,000 lines

CALL CA I

A. BHC: 1.60 per line

B. CCS: 2.56 per line

CO L·Registers, senders, connectors.

SHI G:


E I C

Hawthorne PECC

1918

Large metropolitan areas with

complicated trunking arrangements.

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WEco Switching Systems Circa 1972 Ocr r

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