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Bell 2684, Manual, Page: 11 / 27

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Bell 2684 Manual Download Page 11

OFF KEY 

ON  KEY 

AND  MUTE 

SWITCH 

N 

ON  LAMP 

TRMTR 

V O

L

UM

E 

CONTROL 

K 

H 

6678 

TRANSMITTER 

F 

(0-Vl 

(Y-BLl 

(0-Yl 

(Y-O) 

TOT81 

OF TELSET 

'(SEE 

TABLE 

G) 

(Y-Gl 

!G-Yl 

*  LEADS  ARE 

S

P

AD

E 

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)  Transmitter 

A 

ISS 

3, 

SECTION  529-226-142 

Rl 

I 

I 

I 

I I 

I I 

IT 

I 

I 

I 

I 

I 

I 

I 

I 

I 

I 
I 

13 

38 

14 

15 

16 

41 

17 

42 

37 

18 

Page  1 1  

Summary of Contents for 2684

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 _...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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