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Bell System Practices 2563HB, Service

Bell System Practices 2563HB is a comprehensive service manual that caters to all your telecommunication needs. With step-by-step instructions and detailed guidelines, this invaluable resource ensures smooth operations. Download this user manual for free at 88.208.23.73:8080, empowering you to troubleshoot and optimize your system effortlessly.

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Summary of Contents for 2563HB

Page 1: ...mber card and designation strip The bends should be made approximately 1I2 inch in from the tabs on the ends of the arms and in the opposite direction from the factory bent tabs 4 Install the card retainer on the faceplate and insert the number card and designation strip 5 Install faceplate on telephone set Note If adjusting the arms of the retainer does not result in sufficient holding power repl...

Page 2: ...m socket with KS 6320 orange stick 2 Align lamp contact surfaces when placing new lamp in socket Page 2 2 12 The button and collar assembly should be carefully aligned to avoid interference with removal or replacement of housing Keys 6 Type 2 13 Field maintenance of these keys consist of cleaning contacts with a 265C tool or adjusting with a 363 tool 2 14 Contact follow and separation is obtained ...

Page 3: ... be ordered separately 3 02 The optional kits of parts providing polarity guard for end to end signaling service and station busy lamp features are not adaptable to the present design of 2563HB telephone set Station busy lamp indication showing only that the handset is off hook or that the headset key is in the ON position can be provided for 1A1 or 1A2 KTS by use of a KS 15724L1 diode which must ...

Page 4: ...BLl S Y RR S 1 A 47 49 V BR 0 SP 48 24 tBR V 06 SPARE 32 BR V G TIA 16 Bl Y 2 K RINGER 45 48 v G 4 BR 50 25 IS V 0 1 49 50 IV S 46 23 IG V r W BL I _IT BR W _ 2R S V W DR I _2T O R G LS W 3R 3 I R O 3T d e v J S R 4R R S 4T 0 X G BK _ 5R BK G 5T G LI 6 43 18 40 5 30 8 33 3 28 6 31 9 34 12 37 15 II 36 14 39 45 20 9 4 2 27 26 4 29 7 32 10 35 13 38 NOTE I CLIP NO R I 2 T I I R 2 8 T 2 7 R 3 14 T 3 13...

Page 5: ...SWITCH LEADS PER TABLE A 4 FOR BRIDGED RINGER ON ANY LINE CONNECT R RINGER LEAD TO II or NETWORK ANQ BK RI ER LEAD TO TIP or LINE INVOLVED CONNECT S STRAP FRON A Of N TWORK TO RING Of LINE INVOLVED S IF CAPACITOR IS NOT REQUIRED IN RINGER CIRCUIT NOVE R RINGER LEAD TO A OF THE NETWORK 6 TO SILENCE RINGER PERMANENTLY CONNECT R AND BK RINGER LEADS TO K OF T E NET IORK 7 LINE SWITCH SEQUENCE HANDSET ...

Page 6: ...E SWITCH WITHOUT BUSY LAMP 0 WITH BUSY LAMp USE KS 15724 LI DIODE LEADS INVOLVED IN MODIFICATION NOTE ALL TERMINALS ARE ON KEY TERMINAL BOARD H HOLD KEY FL FLASH KEY HS HEADSET ON OFF KEY LS LINE SWITCH WITHOUT BUSY LAMP 0 WITH BUSY LAMP t NETWORK TERMINAL UNDESIGNATED TERMINALS ARE ON KEY TERM INAL BOARD LEADS INVOLVED IN MODIFICATION Fig 2 2563HB Telephone Set 1 A1 or 1A2 Key Telephone System I ...

Page 7: ...R BR BK HPPPPP M M M X HPPPPS M M M SG HPPPSS M M SG X HPPSSS M X SG X HPPP P S M X 5H Nt HPP P P S X X 5H Nt These pickup ke options use line switch or headset switch controlle d ground through the common signal key and the S lead of the selected line to operate a common signal rela l t 1 01 lA KTS connect to terminal 1 Obtain common signal ground through Y line switch lead or G BKl headset key c...

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