28G AND G-1 ELECTRICAL SERVICE UNITS

Transcription

1 19 American Telehone and Telegrah Comany Printed in U.S. A. BELL SYSTEM PRACTCES Teletyeriter and Data Station SECTON P. ue, February, 19 AT&TCo Standard G AND G-1 ELECTRCAL SERVCE UNTS WRNG DAGRAM 1. GENERAL 1.1 Thi ection ho the mng of the G and G-1 electrical ervice unit for ue ith the G cabinet ued ith the automatic end-receive et. 1. Thi ection i reiued to revie the iring for the G electrical ervice unit. The fue, formerly connected to the econdary ide of the tranformer, no connect to the rimary ide of the tranformer (art of the rectifier aembly). AND G-1 ELECTRCAL SERVCE UNTS P. WRNG Page 1 DAGRAM

2 :Page raj SELECTOR MAGNET TERMNAL OCK y y G G R R y LNE SHUNT RELAY () y 1) BR ( ) lzo - 1) 1 W- 9 1 [] LNE TEST KEY TERMNAL OCK -.- _j G y W-SK W-K D 19 TO CABlNET G -- GROUND C 1 CABNET TERM NAL ::EW OCK _ -- r { , r----h----r -1--K---tl , 1 -ln'i?;;.r"''i'i',-'f:;jt.,j o'l.j S'i..?.,'(.,(, roy mfol -lnrr.,'i.,?.,? 'irofm'ioy.. : 'i? \' 1 T r 1 T l ot 'ij r.,.r.,\','1,j.,'f.;tor: _TN'i''i.,.'f.,'i.,r,_'iJ.,'ioLr N? J.J.l.r±'i.,ToT : l L:1'11 -'t»hmmne''' "' -,,., rm:ntmumj g1rn:dltm---m--. :: r1 ;1 :1 :1 :1;1 :1:1 :ll_ [JJ LNE RELAY ASSEMY 1 W- ol>o [OJ MOTOR CONTROL TERMNAL OCK r- 9 9 STRE_. g oc > 1 :;: >-lc.!:diiii'tido f'-lf'-'llnlrn! (EJ POWER TERMNAL OCK R rg f. '1 -- :J-- "' «>l>-l'-l'-11 :ljio <rl "' "1::1 ::if>-f'-1'-ll"'llll.r!>-loll;< lo ' t y 1 R F.$ lf:g rc W-G ld-g L_ tkl LNE TEST ASSEMY 1 [UJ TRANSMTTER DSTRBUTOR CONNECTOR (FEMALE) oolrol 111!1:::?!! leo iii AUXLARY CONTACTS t TEST SGNAL LNE CONTACTS mtm SLOW RELEASE RELAY ASSEMY 1lmlm b;n;:: -L;rl; RECTFER ASSEMY W- G - W-BR SEE N OTE "'"' lmllmllmll 1 ($] SLOW RELEASE RELAY TERMNAL OCK 9 R WP W-G BR R BR o.bl!j b u Bu 9 1 llu Z 1 ul 1 1 r 19 B W- 1 W-P W-Y 1 W BR W- J.- g W- S W G W- y BR R W- W- W-Y SEE NOTE i "*'*"1"'[1 "1"1 "11.1"111«<111 RiH:\:\1 [TJ SLOW RELEASE TEST KEY TERMNAL OCK " W-P '9 " W- B l W-':_ - R 1 G ;,AP - );1 W-G 1 W- CJrK y [FJ KEYBOARD CONNECTOR (FEMALE) ELECTRCAt SERVCE UNT GROUNO SCREW NOTE SEE NOTE C O N1NENCE RECEPriltE W 1 1 K "> vk ' ) USE ( SWTCH G Electrical Service Unit

3 G ELECTRCAL SERVCE UNT NOTES:. CRCUTS SHOWN FOR. AMP NEUTRAL SGNAL LN.E OPERATON. FOR. AMP OPERATON REMOVE AND ADD CONNECTONS AS TABULATED BELOW SGNAL LNE CURRENT CONNECTON REMOVED CONNECTONS ADDED. AMP 1<1-K, J -J J-J11. THE LEADS FROM THE KEYBOARD AND TRANSMTTER DSTR BUTOR UNTS CONNECTORS ARE TERMNATED N THE RGHT END OF THE ELECTRCAL SERVCE UNT. THE LEADS FROM THE TYPNGUNT CONNECTOR ARE TERMNATED N THE left END OF THE ELECTRCAL SERVCE UN T.. TO PREVENT SLOW RELEASE RELAY FROM OPERATNG, REMOVE ij. CONNECTNG T-, T-ij AND T-, LEADS FROM f- AND U- ARE RESERVED for POLAR OPERATON OF KEYBOARD SGNAL GENERATORS. AND TRANSMTTER DSTRBUTOR. ELECTRCAL SERVCE UNT AND CABNET ARE SHOWN WRED for OPERATON OF "START MAGNET OF E OR H TRAKSMTTER DSTRBUTOR ON AC. WRE AS FOLLOWS: OMT C-11 TO C-1 C-lij TO C l ADO C-1 TO C-lij C- TO C- 1 WHEN 1 VOlTS DC S TO BE USED F A F OR G TRANSMTTER DSTRBUTOR UNT S NSTALtE) Al"SO AD.D i c To c-1 C- TO C-ill C AND C ARE SHOWN.ON SF AND BG TRANSMTTER DSTRBUTO-R HOUSNG DRAWNG. SG AND G l ELECTRCAL SERVCE UNTS P. WRNG Page DAGRAM

4 Page tal SELECTOR MAGNET TERMNAL OCK 9 R a R 1 META r - v = [J LNE TEST KEY TERMNAL OCK T 1 a LJ G _ i-?"'i,?:r:r:?:.9'"9 r :'!'!'fl'f'j'l'l'li : -- _ [CJ CABNET TERMNAL OCK "'T-:r-:r:?:r:r - :r:1-:r-:r:'i-ft?.,?:r-:.?,,"?:fl L J L l:'!%"-i.=:==?=\ 1:1 ; [JJ LNE RELAY ASSEMY 1 \: t= = -:/:=,- [OJ MOTOR CONTROL TERMNAL OCK 9 9 WTf ltr1=r-11.err TO CABNET GROUND SCREW , i_r_r_a+;;---fh-r:ftb:'i-9--(1f: " tr:?,9:?:i?-:?:ffiib-"'?:il -.1!'!L-;."'J: i N.\"'J"'"' "'J,"'L"'L'"L"' i\ "'.1. "'1 "'.l"j."'.t"'j."'.("'j.":l.( : , ' ">"" '". "!''.:""' '" '?.: 1 -r-- -t -1 J L - - -!l\-p- - J " >.. ' ' ' "., ', =" : : i : UNffgND f<'): NN N N ---- (CJ -tf"n 1 V<t<D SCREW W- NNffiNNNN NNNNN NVNN 1 - CEl POWER TERMNAL OCK [SJ SLOW RELEASE RELAY TERMNAL OCK '9 R WR S W-P W SK 1 W-P (TJ SLOW RELEASE TEST KEY TERMNAL OCK y " y G G BR BR 1 y '--!Hl JaK lak LNE SHUNT RE:LAY l y 1) {) ----o-- BR {) 1 -l 1 W- 9 1 y W- W- W-G ) lj-g tkl L.NE TEST ASSEMY!!'1!'! B lro rnjsl.ow RELEASE RELAY ASSEMY '! - gj.- " g - 11) b1: --a - -1<';- -L;[T; )? c.=. _J "',!::111!:::J!: :: nl:i --r_!:'- mi<j> ;;, W- W-Y 1 1 H z L.- G-1 Electrical Service Unit METAL LUl W-G BR 1 R BR W-P W- Tf!ANSM TTER DSTRBUTOR CONNECTOR!FEMALE) W- - W-P G -"O 1 u Su _.." fir, 9 1 ul "1 1 W-Y 1 W-BR W- -o S '- W-G -o y BR R -o -R 1 19n... -al T SEE NOTE W-Y SEE NOTE r 1 tfj KEYBOARD CONNECTOR {FEMALE) SEE NOTE tpj SEE NOTE CONVENENCE RECEPTACLE / (QJ POWER SWTCH

5 NOTES: -1 ELECTRiCAL SERViCE UNT. CRCUTS SHCWH FOR. MP NEUTRAl SGNAl LNE CFERATON. FCR. AHP CPERATON REMOVE AND ADD C('NNECTONS AS TAUlATED BELCW: SGNAL LNE CURRENT CCNNECTON REMOVED CONNECTONS ADDED. AMP K-K, J-J J-Jlj. THE LEADS FRCM THE KEYBOARD AND TRANSMTTER DlSTR BUTCR UNTS CCNNECTCRS ARE TERMNATED N THE RGHT END OF THE ElECTRCAl SERVCE UNT. THE leads FRO-1 THE TYPNG UlliT CCNNECTCR ARE TERMNATED N THE LEFT END CF THE ELECTRCAL SERVCE UNT.. TO PREVENT SLOW RELEASE RELAY FROM OPERATNG, REMCVE CONNECTNG T-, T-lJ AND T-. lj. LEADS FRCB f- AND U- ARE RESERVED for POLAR OPE RAT ON OF K EYBCARD AND TRANSf.;t TTER D STR BUT OR S GNAL GENERATORS.. ELECTRCAL SERVCE UNT AND CABNET ARE SHOWN WRED FOR OPERATON Of START lagnet OF E OR H TRANSMTTER DSTRBUTOR ON AC. WHEN 1 VOlTS DC S TO BE USED WRE AS FOLLOWS: OMT C-11 TO C-1 C-1 TO C-11 ADD C-1 TO C- Jl.\ C- TO C-1 f A F OR G TRANSMiTTER DSTRBUTOR UNT S NSTALLED AlSO ADD: C-* TO C-1 C-* TO C-!11 C- AND C- ARE SHOWN ON f AND G TRANSMTTER DSTRBUTOR HOUSNG DRAWNG. 1i AND G l ELECTRCAL SERVCE P. UNTS Page WRNG Page DAGRAM