Bell System Practices 2853AM Identification, Installation, Connections, And Maintenance Download | Manualshive

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Summary of Contents for 2853AM

Page 1: ...ssue will be listed in this paragraph Fig 1 2853AM Telephone Set Fig 2 2853AM Telephone Set Housing Removed 2 IDENTIFICATION 2 01 The 853AM and 2853AM telephone sets are modular sets equipped with a G15A handset and H4DU handset cord These sets are wall mounted 6 button key sets intended for intercom use with COM KEY 718 or 2152 communication system They are similiar in appearance to the standard ...

Page 2: ...ich is arranged for field installation Page 2 2 05 If wall mounting is desired the 127A bracket ordered separately should be used 2 06 Ordering Guide a Telephone Sets Set Telephone 853AM 50 Set Telephone 2853AM 50 b Modular Items Housing 853A 50 Faceplate 853A 80 Faceplate 2853A 80 Handset G15A 50 Cord Handset H4DU 50 c Options Buzzer HFAI Hands Free Answer on Intercom HFAI Transmitter Wall Mounti...

Page 3: ...ved from the base pan by springing the hinged brackets sufficiently to clear the pins The base pan can be mounted directly to the wall using the keyhole slots or holes provided for mounting over an electrical outlet box Warning Avoid damage to wall or telephone set whenever chassis is in lowered position The 853AM and 2853AM telephone sets are factory wired for two intercom lines only for the thir...

Page 4: ...one set making sure that the two left housing ribs fit into the corresponding slots on the network and terminal board assembly Depress both plungers to their on hook position Page 4 Continue working the housing into position against base Release plungers 4 Fasten housing in place with two captive screws 5 Check complete operation of line switch 3 08 Use Form E 10361 E 10365 or E 10369 as a station...

Page 5: ...ary in the 2853AM telephone set use the 35Y3A dial First remove terminal board mounting screw as shown in Fig 4 Then rotate terminal board upward to gain access to dial mountin screws 5 04 Maintenance of the 35 type TOUCH TONE dial is not recommended and the dial should be replaced Adapter brackets are not involved when replacing the TOUCH TONE dial 5 05 When necessary to remove housing the facepl...

Page 6: ...CK t G Y 11T 6K S 6K S 4 40 J_ _______ J c _ J t t l 4 C1 2 11 l Y 6L Y BL 1 41 _ l 7 6 2 R O Y f 4 0 Yt 6 Y E L L t 65 17 R BL G BK 12T Y 0 Y 0 4 42 1 t 1 1 J l 4 IC2 2 12L Y Y 1 4l f t 1 1 t 6K G 1_ S 6K C VIOLET 6 J 1R 6Rl 5 G R 4 R 6K 6K S l 4 6 2 Cl 6K 6R 7 1 4 6K G BR G 6K COM KEY 1l f J_ _ _______ jf C f 2i52iiN LY l 6 J l l_ T________ B K 1 SEE NOTE 9 Ill BK 6R NOTE IF THE lRD INTERCOM PAT...

Page 7: ...L 1 O FF A B NORM AL L y c R m BK R W L2 BK R f 7 I TRMTR a f 7 BK f 7 W RCVR f 7 G H4DU 50 G15A 50 HANDSET CORD 616T JACK Y GRD 1 G 1 I POT ASSEMBLY AMP r 4 INPUT I 1 f 3 G kf r 40 1 BARE SPEAKER S RAP r G r BK BL 0 BK BR AMPLIFIER PWB ASSY Fig 6 853AM Telephone Set Connections Sheet 2 of 2 Page 7 ...

Page 8: ...fi 8 K SU 4 l 4 IC1 2 1 f 1 L________ 11 Y 8L t________i i i t Y 8 L 1i 1 8K G 7f t l2 R________ O Y L_f O Y 8 Y E LL tR 8L t f l2 T Y O t G 8 K 2 Y 0 IC2 2 lf t l 2 L________ 11 Y t t t t Y c 1 f 8K G I _ S 8K C V IOLET 56 R 8R C OM KEY 13 i l t r 8K S f HR G 8K t 7 H 2152 ONLY lBf f l e3 T________ _i 18 K G l _ll 2 ICl SEE NOTE f t l 3 L________ _ 8 _K 8 _R _ f I 8 K r 8 J R L____ 4 1 f 8K G Rl ...

Page 9: ...4n B BL BK A 4 BK RR r K 0 BK c k u R R G __ T s R y J w L2 0 L1 G f 7 I RCVR W f 7 f 7 BK TRMTR R H40U 50 G1 5A 50 HAtllSET CORD 61 6T JACK Y BK GRO G c POT cr ASSEMBLY dR j 2 G L Q BARE SPEAKER STRAP r r G I BK p BL 0 I BK I AMPLIFIER PWB r SSY Fig 7 2853AM Telephone Set Connections Sheet 2 of 2 Page 9 9 Pages ...

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