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SECTION  529-226-142 

3.04 

A  KS-20419Ll  miniature  buzzer  (6-10  volt 

ac)  may  be  installed  at  any  convenient 

location within the telephone set.  Provide mounting 

screw as required or secure buzzer using an existing 

screw.  Connect  BZ  and  BZ1  mounting  cord  leads 
to  (BL)  buzzer  leads  at  spare  screw  terminals  or 
use  D-141688  connectors. 

Refer  to  appropriate 

section  in  Division  501 for  detailed 'information  on 

KS-20419Ll  buzzer. 

4.  CONNECTION  INDEX 

No  changes  in  wiring  other  than  those 

specified  in  this  practice  shall  be 

made. 

Table  H-Connections For 667B (MD) Transmitter 

Table  !-Connections For  697 A  Subscriber  Set, 

Headset  Adjunct  Unit 

Table  J -Conversion of Pickup Key to Signaling 

(Nonlocking) 

Table  K-Connections  For  657B  key  (Turn 

Key) 

Fig.  3-657 A  Key 

Fig.  4-657B  Key 

Fig.  5-656A  Key 

Fig.  6-667B  (MD)  Transmitter 

Fig.  7-617 A  Key 

Fig.  8-59A  Lamp  Socket  (Use  51A  Lamps) 

Fig.  9-Jack Assembly Connections for 2684AM­

and  2685AM-Type  Telephone  Set 

Equipped  With  Modular  Handset  and 

Handset  Cord 

Fig.  10-2684- or  2685-Type  Telephone  Set, 

Connections 

Fig.  11-Cord  and  Cable  Connections 

Page 

6 

5.  MAINTENANCE 

5.01 

Maintenance of 2684- and 2685-type telephone 

sets  is  limited  to  cleaning  plastic  surfaces, 

lubricating  bearing  surfaces  of  line  switch,  and 
replacing  defective  key  units  or  components. 

(a) 

Cleaning: 

• 

Clean  exterior  plastic  parts  using  water 

dampened  KS-2423  cloth 

• 

Do  not 

use  scouring  cleansers  on  colored 

components  as  this  may  damage  finish 

• 

If  cleaning  does  not  result  in  desired 
appearance,  replace  component  or  entire 
set. 

(b) 

Lubricating: 

• 

Lubricate  bearing  surfaces  of  line  switch 

assembly  with  KS-14774Ll  lubricant  when 
required. 

(c) 

Replacing  Components: 

• 

Refer  to  sections  covering  keys,  dials, 

handsets, cords, etc. for replacement of these 
components 

• 

See  Part 2, Ordering  Guide, for  replacement 
part  numbers 

• 

To  replace  modular  key 

unit: 

(1)  Remove set  housing, faceplate, and mat 

by loosening  two  screws  in  rear  of  set. 

(2)  LQosen  screw on each side of  key frame 

and  raise  frame  to  gain  access  to 

terminal  boards. 

(3)  Disconnect  spade-tipped  leads  of  key 

unit  to  be  removed,  if  required. 

( 4)  Loosen  captive  screws  securing  key 

module  to  frame  and  lift  key  from 

frame  and  connector  assembly. 

(5)  Install  new  key  unit  by  reversing 

procedure  (1)  through  (4). 

Содержание 2684

Страница 1: ...rdinarily used to indicate changes have been omitted 1 03 The 2684AM and 2685AM type modular telephone sets replace the 2684A MD and 2685A MD type telephone sets respectively 2 IDENTIFICATION ORDERING...

Страница 2: ...zer KS 20419L1 10 volt ac only Loudspeaker 760A MD Page 2 Unit Control 55B MD See Note Unit Control J 53041D d Loose Parts Furnished with Set Subscriber Instruction Booklet SIB 2473 811218585 P 12A858...

Страница 3: ...circuits of 1A1 1A2 or 6A key telephone systems having 2 or 4 wire capability per SD 69581 01 Standard 3B MD speakerphone for 2 wire line circuits 2684A and 2685A type 3B speakerphone modified for 4 w...

Страница 4: ...657B 105B 656A 656A or 12 656A 656A 2685AM 13 105B 14 656A 105B 15 656A 656A 16 105B 17 656A 6678 18 657A 617A MD 19 656A 59A Note The 656 and 657 type keys are electrically the same as and are inter...

Страница 5: ...e 697A subset are shown in Section 529 110 407 3 03 Installing Optional Components To install 697A MD headset adjunct 1 Remove telephone set housing faceplate and mat by loosening two screws at rear o...

Страница 6: ...Set Connections Fig 11 Cord and Cable Connections Page 6 5 MAINTENANCE 5 01 Maintenance of 2684 and 2685 type telephone sets is limited to cleaning plastic surfaces lubricating bearing surfaces of li...

Страница 7: ...SET HOUSING COLOR 840715304 Black 840715262 Green 840715312 Red 840715320 Yellow 2684AM Type 840715270 White 840715288 Lt Beige 840715296 Lt Gray 840715338 Aqua Blue 840712327 Black 840712335 Green 8...

Страница 8: ...5TH PICKUP OR SIG KEY 5TH LAMP HOLD KEY 6TH LAMP CHAINING SWITCH Page 8 657A KEY t ca v t CCl jt t 9 A t t C X I f t g lf t I I 1 I 1 I Fig 3 657A Key CONN I I I I I 26 2 27 13 3 8 3 28 4 29 14 3 9 5...

Страница 9: ...Y 4TH LAMP HOLD KEY HOLD KEY LAMP CHAINING SWITCH Vf r t I I f CCI v t t cq x t CCI f i t 9 rt cg r I t l l I I I 1 1 I I II I Fig 4 6578 Key ISS 3 SECTION 529 226 1 42 CONN I I T I T I I 26 2 27 I 3...

Страница 10: ...P OR SIG KEY 5TH LAMP 6TH PICKUP OR SIG KEY 6TH LAMP CHAINING SWITCH Page 10 656A KEY It t e g X I cct 1 6 t ra X t t C g I t cg A t A r I l fig 5 656A Key CONN 2 6 2 27 13 j__ 38 3 _I_ 28 4 29 14 I _...

Страница 11: ...81 OF TELSET SEE TABLE G IT Y Gl IR G Yl LEADS ARE SPADE TIPPED AND OF SUFFICIENT LENGTH TO REACH TBI WHEN TRANSMITTER MODULE IS IN THE 5TH K E Y POSITION OF 2685A TYPE TELEPHONE SET Fig 6 6678 MD Tra...

Страница 12: ...CORD Page 12 617A KEY t l__ zL_ 3 l _ 4L_ 5L_ 6 L_ REMOVABLE SI STRAP MIW CORD OR EOUIV SG Tt__ 8 t__ gt _ to L II l__ 12 L_ CONN I I l I I _l_ I I I I I I I I _ _l II I I IIII _ Fig 7 617A Key 13 38...

Страница 13: ...ocket use 51A Lamps TEL SET S1SE JACK H4DU CORD G15Y HANDSET NETWORK ASSEfiiBLY l1 R R G W m L2 G st BK BK t TERfiiiNAL ON TBI NOTE REFER TO FIG 10 FOR COfiiPLETE TELEPHONE SET CONNECTIONS Fig 9 Jack...

Страница 14: ...i W l 4 I RCO t T LJ TRMTR f r 0 BK 2 I t r V lr I s G WI _ _ lllf OPn oNs AC BUZZER DC BUZZER FACTORY WIRING WITHOUT BUZZER INSULATED AND STORED BR R S WI li _l _LA 1 MA4 l b L RELAY ASSEMBLY Fig 10...

Страница 15: ...l l l 8o H4 4 M ftJT j pMi 1w r ll __ _ x z rv7ill m mr l ___ ___ c _ _ _ _ G R 0 Y Y 0 1 Y 0 2 S W FW V S Yl ez TO SH 2 BK f 4 i w _ J J 5 u t i wi KS 8109 L2 B ZZER t _ m aro w WM IY Sl J FIG II BZ...

Страница 16: ...R i l f t t 31 I R G 33 t I I R BR R l f I A S OR SI__ f l5 BR RI 9 1 l t t I L c t 40 R BR 34 R R LG 7 1 10 a l i _ 1 t t t 0 32 IBL BKI IBL BKI 3 1 f ii L _ a Kl t I i t 2 A H II t _ 1 c 1 33 BK Bl...

Страница 17: ...II IS Yl Y Sl IBL V I v eL IG V PLUG 2 CONN 2 BINDER 6 2 27 3 ZB 4 29 I I 5 30 6 31 7 32 8 33 f 9 _g 34 10 35 II 36 12 37 13 38 I I 14 39 15 40 16 41 s 1 8 43 19 44 20 45 1 t 7 21 t 1 47 23 t 48 t 24...

Страница 18: ...IG Yl Y Gl 8R Yl IY BRI S Yl Y S II BR Y I IBL Vl V 8L G V CON N ECTOR CABLE CONNECT I ONS CONNECTOR 3 AIOOO LEAD DESIGNATION A7SA TEL SYSTEM PLUG 3 CONN 3 APPARATUS BINDER BINDER CABINET I BL W R IW...

Страница 19: ...V V BL G V PLUG 4 CONN 4 BINDER I 26 2 27 3 28 4 29 I I 5 30 6 31 7 32 8 33 7 9 c 7 34 7 10 35 II 36 1 2 37 13 38 I I 14 39 15 40 16 41 1 7 42 1 8 43 19 44 20 I I 45 22 t 47 t 23 t p 5 49 t 25 t 50 R...

Страница 20: ...ORRI LG OR Tl R T A S OR Sl L OR PI LG R T I A S OR Sl I i h 7 32 8 33 9 34 10 35 IBR RI I IR BRl L ORIT I LG OR IR I I 36 1 2 37 13 38 14 39 15 40 16 41 17 42 18 43 19 44 I I S RI IR S IBL BK I8K BLl...

Страница 21: ...P 83H079 9 White 818380735 P 83H073 Lt Gray 10 Lt Beige 818380750 P 83H075 Muted Beige 14 15 Lt Gray 818380701 P 83H070 Charcoal Aqua Blue 818380768 P 83H076 Muted Blue Black 818381709 P 83H170 Charc...

Страница 22: ...P 84H073 Lt Gray P 84H078 P 84H079 1 1 1 2 Lt Beige 818480758 P 84H075 Muted Beige 1 3 Lt Gray 1 4 818480709 P 84H070 Charcoal 1 5 1 9 Aqua Blue 818480766 P 84H076 Muted Blue Black 818481707 P 84H170...

Страница 23: ...2 221Al 812166858 P 21F685 3 4 22181 812166866 P 21F686 5 221El 812166890 P 21F689 9 221F1 812166908 P 21F690 10 2685A 11 812652121 P 26E212 12 812166858 221A1 13 P 21F685 14 15 16 812166874 221C1 17...

Страница 24: ...NNECTIONS FOR 6678 MD TRANSMITTER 667B Tit TRANSMITTU AG 10 G Y 6 Y G 2 Y BL 3 BL Y 4 f Y 0 5 0 V 1 0 Y 19 Note When 3 type MD speakerphone is provided disconnect insulate and store S V and V S key le...

Страница 25: ...EADSET ADJUNCT UNIT REMOVE FROM COLOR Til NET STORED Til LOCATION G 10 7 v B 0 W 16 18 W BL 1 1 15 Y BR BL W W BL 1 0 W 19 G V 4 V G 14 BR W W BR BR Y V BL BL V 10 Y BR 7 V S 15 G R 1 1 S V 18 R G 16...

Страница 26: ...c c c G 5 1 2 A H A H A H c c c G 5 1 3 A H A H c c c c G 5 1 4 A H c c c c c G 5 1 5 c c c c c c G On tenninal board associated with key Note 1 To convert a key position from pickup to signaling rem...

Страница 27: ...quip Buzzer SPADE TIPPED MOUNTING CORD LEADS IN SET Y ll O Y Y O TBI G TBI G 0 0 0 Cutoff Ringer To Key Note 2 TBl Net 0 Equip 0 in Set 12 A Cutoff AC To A c Buzzer DC Key Note 2 t c 0 in Set Common E...

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