Page 1: ...rd Disable and Dial Intermix Features 12 Single Line Service Head Telephone Set COMPONENT LOCATION AND ACCESS INFORMATION Location of Components 16 17 17 17 CONTENTS PAGE Mounting Cord 18 Network Term...
Page 2: ...elephone systems KTS It may be converted Table K for use with 1A KTS Page 2 1 04 The telephone set is available in the following colors Black 03 Green 51 White 58 Lt Beige 60 1 05 The 872Al MD facepla...
Page 3: ...l tone 350 Hz and 440 liz is present One Touch Calling requires both dial tone detector and speakerphone despressing one memory button will automatically turn on speakerphone detect dial tone and dial...
Page 4: ...Unit Power 95B1 or 95B2 required for operation of the automatic dialing feature Note A 95B type power unit is required for each telephone set Page 4 c The 872A1M set is comprised of the following comp...
Page 5: ...arts D 180493 Kit of Parts Speakerphone D 180493 Kit of Parts D 180494 Kit of Parts 06 07 or G8 Type Handset 446F Diode D 180818 Kit of Parts See Note 872Bl 108 Teak t 872B1 109 Walnut t Plantronics J...
Page 6: ...s digit s required 3 INSTALLATION STANDARD INSTALLATION 3 01 Make all wiring changes and telephone set modifications Table A before external connections are made to the set 4 01 Caution Do not plug in...
Page 7: ...no closer than 1 1 2 feet from the telephone set in order to prevent a noise problem 3 04 The station number card shall be placed in the plastic fingerwheel of the dial The silver disc provided with...
Page 8: ...SECTION 503 603 102 TER MINAI 80Ail0 TBZ BUZZEll MOUN ING KS Z0419LI BUZZER 7 Fig 3 872A1M Telephone Set With Faceplate Upper Housing Handset and Handset Cradle Removed Page 8...
Page 9: ...LAST NUMBER DIALED button again and the remaining digits should be dialed The battery and power unit must be connected a minimum of five minutes before doing Step 9 ISS 2 SECTION 503 603 102 9 Momenta...
Page 10: ...l on network COLOR V G G V v s s v V BR BR V BL R G W R BL W G S BK BL R BK S G BK Y 0 G Y BK 0 G R 872A1M FROM TEL SET NOTE 11 CONT TOPS8 UNIT FROM TERM 55A 558 2 19 1 9 28 10 12 2 Ft 5 11 13 11 35 3...
Page 11: ...7A Al 12 2 Al 8 7 AG V S Ft 5 11 12A 2 LK s v 13 11 35 llA A SPO o v 21 1 3 18 58 O V M P3 V BR 3 21 4 lOA T P4 BR V 6 30 13 9A e R or Rl I 18 34 lB s R or Rl 9 25 lA e Bor Bl 17 33 28 t B or Bl 8 24...
Page 12: ...TOUCH TONE dial tone 3 Lock the board into position by inserting the self threading screw through the right side of the chassis 4 Mount the one touch calling switch below the dial with the two screws...
Page 13: ...21 8L V G 46 V 8L Strap 8R V AC1 AC1 to 24 Strap V 8R AC2 AC2 to 49 8L V ACl V 8L AC2 1 Plug mounting cords of telephone set 108 type loudspeaker and 680 type transmitter into 828 connecting block In...
Page 14: ...828 LEAD TEL CONN SET BLK DESIG COLOR NOTE 11 CONN CABLE AT KEY EQUIP TOPSB FROM TERM COLOR Tl V G 2 Rl G V 9 A1 Note 2 AG V S Ft LK S V 13 SPO O V 21 Strap O V 10 to 35 P3 V BR 3 P4 BR V 6 Input G R...
Page 15: ...ct link between 19 and Al 3 Remove BK strap leads between PSB terminals 11 and 17 17 and 23 and 18 and 20 4 All dial tones encou ntered in placing a call must be precise TOUCH TONE dial tone 6 Mount s...
Page 16: ...l not light when RECORD button is depressed b No telephone numbers can be recorded changed or deleted in memory c LAST NUMBER DIALED feature is operative Record disable and dial intermix features a RE...
Page 17: ...ISS 2 SECTION 503 603 1 02 4 Make connections per Table H 5 Reassemble set and install an 870B1 faceplate of the appropriate color Note If set was originally equipped with an 872A1 87 faceplate refer...
Page 18: ...late 3 19 Page 18 2 Loosen the captive cover screw at the bottom of the white cover around the dial Fig 2 3 Remove the cover 4 To replace the cover the three tabs of the cover one at the top center an...
Page 19: ...ate is held in place by a spring clip attached to the 870AlU upper housing To disengage the faceplate lift up on the tab which protrudes from the center of the back edge of the faceplate Note The 872B...
Page 20: ...top side of the cradle as it is slid into position to pre vent damage to the switehhook arm 6 Refasten the captive cradle screws Housing Removal 3 21 To remove proceed as follows age 20 a Lower housi...
Page 21: ...s Misalignment may cause the bottom of the housing to bow 8 When replacing the housing keep the handset jack from being trapped between the housing and chassis b Upper housing 1 Remove the faceplate 3...
Page 22: ...telephone number Note A number up to 15 digits in length may be recorded The RECORD lamp will go out momentarily as each digit is dialed If exactly 15 digits are recorded the RECORD lamp will go out...
Page 23: ...I S TO BE CONNECTED AT THE 149B ADAPHR OR THE 66E3 25 BLOCK INSULAH AND STORE THE BL V PAIR AT THE KEY EQUI PMENT END l INSULATE AND STOOE THE BL V AND V llL MOUNT lNG CORD LEADS fROM PSB TERMINAL S 4...
Page 24: ...tone 3 Dial access digit s 4 Depress WAIT button after second dial tone is heard Page 24 5 Manually dial telephone number 6 To redial same number automatically a For factory wired sets go off hook li...
Page 25: ...Rotate the left edge of the memory upward as shown in Fig 5 4 Disengage the connector by pulling it perpendicular to the printed wiring board 5 Replace the memory Do not twist the gray power supply ca...
Page 26: ...before refastening the TB1 mounting screw Page 26 Handset 6 10 A defective G15A handset may be replaced or changed to a modular amplifing handset G68M G78M or G88M by unplugging the H4DU cordand inser...
Page 27: ...ocated at the top center of the upper housing should retain the faceplate ISS 2 SECTION S03 603 1 02 Speakerphone 6 12 For maintenance information on the 3B or 4A speakerphone systems refer to Section...
Page 28: ...O L 1 3 G W BL L LG 1 28 W G BL LG R 2 4 BR W 0 6 T 2 29 W BR 0 3 B 2 5 S W 0 2 R TB1 2 A 2 30 W S 0 1 L 2 6 BL R 0 L LG 2 31 R BL 0 LG R 3 7 O R G 6 T 3 3 R 0 G 3 B 3 8 G R G 2 BK TB1 2 A 3 33 R G T...
Page 29: ...SPOt 22 0 V Spare 47 V 0 RJt 23 G V Tit 48 V 0 P4 IR 24 BR V P3 1T 49 V BR LKt 25 S V AGt 50 V S Tip Ring Insulate and store t95Bl Power Unit SPADE TIP 508 PLUGS CONO IN MTG CD COLOR PIN NO PSB 26 PS...
Page 30: ...r with a BK lead and a double pin connector with a R and a BK lead 2 When this option is provided the LAST NUMBER DIALED LND fea ture is disabled and the 32nd memory may be used just as any other memo...
Page 31: ...20 _ 13f j F f 150 J_ 1 0 t I 19 _ I 0 I j zo E I _ Y y 537A 1 RE L AY 2 1 lil _ 1 r _ _ 24 25 26 27 28 ISS 2 SECTION 503 603 102 IG 9KI IYI I R G I IG RI INPUT V Gl I BK 0 IV BRI tBLI FIG K 9Ll IBR V...
Page 32: ...TCH D 180493 I 2 INPUT I G Rl PB 0 BK IN PUT G Al LK Y G OT 0 Y VOD I R 0 FIG 8 OR Y 0 PL 0 Rl OTT BL Y S PR tY BU COM BK 0 SPO IG Y l FIG G 1 Y FIG I DIAL 8R d G d W I R I Q 8Kl Q FIG H h tBLl h 8L I...
Page 33: ...04 19 Ll BUZZE R I Gl5 A DSET HAN P5 BKI I W t I I I I I IG l FIG F FIG H NOTES tYl 81 Rl IW FIG Y Bl L t Sl 5 W TI P G ten I t s l I Y PIS RINGE R 81 tR l ItBK l I 3 a 0 5 2 1 d n B 1_ 0 II A 14 15 0...
Page 34: ...4H T4 R S Rl 81 R4 IS R L5 S BK J LG5 IBK Sl SA 5H ORS AI B T5 BK G SG BL R5 tG 81 1 FIG 8 F IG J _ _ _ BL V V Bll IBK BLI s y Y Sl BK BR 0 W IBP Yl Y BR INSULATE AND STORE FIG L 508 PLUGS LRS 1 IWI L...
Page 35: ...4 S II BR S STRAP Ill TBI 2 ISS 2 SECTION 503 603 102 INSULATE AND STORE FOR ADO ON CONFERENCING CONVERT THE 5TH PU TO NONLOCKING REMOVE PIN FOR MULTILINE EXCLUSION CONVERT THE 5TH PU TO NONLOCKING RE...
Page 36: ...TEL I HON SET TOUCH A T IC 6 BUTTON LINE KET 1498 ADAPTER A25B CABI TO K T TELEI IION SYSTEM SH NOTE l DIOR CORD IW OR CAll N O TE o DISCONNECT Tf V L IN liE CABLE AT KEY SYSTEM END Fig 10 Biock Diag...
Page 37: ...O KET TELEPHONE STSTEM NOTE 2 1 STRAP NECESSARY Olt Y IF SET OS ALSO EQUIPPED HITH DI AL TONE lECTOR TO PROVO ONE TOUCH CALLING O PTION 2 IF POHER IS PROVI O TlflOUGH KEY CABLE USE BR V PAIR FOR 85 TY...
Page 38: ...R 0 FW 4 R BRI I I I BL YI 49 LEGEND T82 12 BR YI 0 r WITHOUT 4 WIRE OPTION WITH 4 WIRE OPTION I NSULATE AND STORE 0 Y BLI 0 a a T82 4 WIRE CONTROL MTG CORD IV OI N T VI S 47 TB I IS Tl l FW R BLI NET...
Page 39: ...3 603 102 DPR PSB 4 BL DP PSB 5 BL STRAP NET L1 446F 14 CD CD DIODE CD WITH RESTRICTED DIALING NOTE REVERSE POLARITY ON TIP AND RING LEADS ON ALL LINES WITH RESTRICTED OIALING Fig 13 Connections for R...
Page 40: ...J 9 3 P4 BR V 24 C Y R Bl l w G Y PSB 6 G R BR Rl G V Z r G G BK G 23 BK SPO 0 V 22 PSB 21 l TB2 8 TB2 13 PSB 8 Y Bl PSB 16 PSB 1 7 n VI A 828 v CONNECTING BlOCK 2 AG V 5 Nn r PSB 9 0 Y TBI 16 BK TB2...
Page 41: ...ive PSB 2 Dead set on all lines only Set is active when off hook Improperly connected or when speakerphone is on on handset defective speakerphone 3 Cannot transmit when off hook Line lamp comes on Di...
Page 42: ...ally dial when Improperly installed on off hook on handset defective speakerphone Defective switchhook RECORD lamp does not turn AC power not present on when RECORD button is Battery not connected dep...
Page 43: ...nnected or defec dial is returning but relay tive memory click is heard at beginning of Unknown dial wind up and at end of dial return Can manually dial off hook Lamp turns off as dial is Memory butto...
Page 44: ...ction to or defective memory Unknown MB7 relay operates click WAIT button is stuck down heard when memory button or defective is depressed but no dialing Unknown clicks are heard In addition transmit...
Page 45: ...ONE dial memory button is depressed tone may not be present M emory not securely mounted Improper installation of dial tone detector D I 80493 REMEDIAL ACTION 1 Allow the battery to be charged for a m...
Page 46: ...ad Improper connections or added between PSB screw termi defective D 180568 Kit of nals 16 and 13 speakerphone Parts turns on when ON button is depressed With temporary strap lead Defective switchhook...
Page 47: ...cks speakerphone loudspeaker and wired for speakerphone can be heard transmitter units is too cloae option 14 Speakerhone does not turn on M87 relay does not operate Battery not connected when a memor...
Page 48: ...ap leads to screw terminals 11 and 23 on PSB were not insulated and stored when option was wired Set automatically dials when Precise TOUCH TONE dial tone screw terminals 20 and 23 on not present or a...
Page 49: ...ssed Speakerpho ne turns off when Defective circuit of 0 180493 Replace dial tone detector PWB handset is taken off hook but Kit of Parts assembly of D 180493 Kit of turns on when handset is Parts pla...
