Bell 502-531-410 Service Manual

BELL SYSTEM PRACTICESSECTION 502-531-410
AT&TCo Standardlssue 5, May 1977

SERVICE

558F AND 558FM TELEPHONE SETS

1. GENERALSTABLE B 11

1.01 Reissued to: 558F(MD) OR 558FM MODIFICATIONS FOR 1-LINE

• Show 558F telephone set MD ...........

• Add Tables A and B WIRE OR LEAD COLOR FROM TO

• Add D16J-87 mounting cord, Fig. 2 STRIP STRIP

$ TAB LE A (I s-a 15 2

558F(IVID) OR 558FM MODIFICATIONS FOR 1-LINE O-BK 3 *

PICKUP, HOLD, AND SECRETARIAL SERVICE

............... W-O 20 3

REMOVE CONNECT

WlREOR LEAD COLOR Y 2 *

........ Line Switch G 15 2

Line Key W-O 20 1

Exclusion Equivalent .....

Key W 9 1 3 to 20

(Hold) .......

...... D16J ............

D16J Y-O 11 *

Mounting _

Cord W-O 3 *

BR 10 2 Cord or on Net.

Y 2 * Y-BL 9 *

Y-BL 9 7 Mounting BL-V 10 *

,,_ Cord _

BL-V 10 17 V-O 11 *

W-S 7 *

O-W 4 *

FROM TO Exculsion

TERM. TERM. Key

STRIP STRIP

PICKUP AND CUTOFF OF EXTENSION STATION

OR EXTENSION LINE RINGER

REMOVE CONNECT

TERM. TERM.

R 2 *

Line Key ....

Strap MlW 1 to F

• Insulate and store

• Insulate and store.

NOTICE

Not for use or disclosure outside the

Bell System except under written agreement

Printed in U.S.A. Page 1

SECTION 502-531-410

LEAD DESIG LINE KEY iii!ii!i!ilEXCN KEY i!iiiillHI-TYPE _iliiiiillLINE !ii!i!ii!;iNETWORK iiii!iii!ii DIAL iiiiiiiiiiiG3-TYPE

TIP (2) (BK) iiiiiiiii_ iiiiiiiii!_ 2 AND 3) iiii!iii_i! iii!ii!iiii iiii_i!ili iiiiiiiii!

TIP (i )

ET ii_liiii(W) --I-- i!iliiI!I "R" iiiiiiiii!i iiii!ilili! K iii!iiiiill iiiiiiiiiii

iiiiiiiiiii NOTE I !i_ii_ii_RINGER ilili!iiiii SWITCH iiiiiliiiil iiiiiiiiiil ...........

i!!i!!i!ii! ( ) !_!iii_.:.'._ !iii!i!ii!i _ i:i:!:i:i:i :!:iii:iiii iiiiiiiiii HANDSET

ii_iiiiii!, iiiiiii!_(NOTES !ii'iiii(NOTE ,5) ili!i!!i!!! iiiiiiiiiii ;iiiii!ii_

!........:: "G BK " i.'.'.:i_!:.," iiiiiii!!_ i!ii!ii!i!iF i!!iii!iii!(BL) ii!iiiii!ii

%ii I - _ ®il _iiil iiiiii!! ,,-,, iiii-i i_i_i_i_i_i

:!:!:i.'.::i:

ii ""'....

(=_1 , 0, i!iiii

/b' £i:1:.":!| t I :i:i:i:!:i: :i:!:i:i:i: i:i:!:!:i:i iiii!i!i!ii

_(BL) i_ iiiiii iiiiii ,;=_,_,_,_, ® (w).#

=iii=i=i=i= e ii!!ii_ i!!ii!!'+ _ ;;;_ _ ii!iiiliiRING (I) " • _ (BK) (BK) iiiiiiiiii R iiiiiii!ii(w) ON

d !ii,iiii (R) iiiliiiiii ' (w) iiiilii

iii!!!!!!ii_/........."-"

¢. g -::_:_:-::"........ iii!ii

iiiili

'V' , == iiiiiiiiiii N- N

(R) iililii i_!_i_i_i_iB i:ii!ii! iiiiii(BK)

iiii iiiii! iii!iliii!i_ == _

R I NG (2) i :_:_ ...... :..........

• iiliiilili(G) d C !iiiii!.iii

EA (0) iii!iiil !iiiiii iiii(!!::::::::::: :::::.:::::

A ( I ) f iiiiiiilii (2) iiiiiii_

A (I) iiiiliii! b iii!i!i!ii i:!iiii L2 :iiii!iiiii

h i-,:=: ........... ,,,,,,,,,,, iiiii

:_:_:_:_:_............ iiiii!iiiii :!:!:i:!:i" " :..................... iii_i_iiii

:i:i:i:!:i: !_ii!..'.'iii ......

• i!i!iiiiii LI iiiii!i:!i

(O-BK) ii!ili!ii!i ........... !iiiiii!!i ii!ii!ii

a !i!i!iiil ii_ii!i

...... •iiii._ ii!ii

iiiiiiiiiii.................

' i!iii!iii!,(BR) iii!iiiiii

A, ORGRD iiii;iiiiii(Y) b ;iii;i;iiii ;:_:_:_:_

S ¢BL) iiiiiiiiiiii iiiiiiiiii_: iiiii:i:!il ii!iiiiii

GRD I :;:;:i:!:i: !i!!ii!iii: iiliiii

... m iiiiiii !!i%i

i:i:i:!:!:i :::':i:i:::

• ' :.......... iiiiii

=z, iiii',iiiii '''"

........... ! iiiiiii!iii,,=,

........... !i;ili iiiiii ........... •..........

I. TO PROVIDE EXCLUSION FOR LINE 2, CONNECT (BK), (Y), 5. TO PREVENT FALSE HOLD WHEN GO NG ON HOOK THE

AND (5) EXCLUSION KEY LEADS TO TERMINALS 5,, 6, TIP AND RING CONTACTS OF THE LINE SWITCH AND
AND 7 RESPECTIVELY. LINE KEY MUST BREAK BEFORE THE A-LEAD CONTACTS.

_. FOR RINGING ON LINE 2,TRANSFER (S) STRAP LEAD AND

(BK) RINGER LEADS TO TERMINALS 5 AND 6 RESPECTIVELY.

3. TO SILENCE RINGER FOR ALL CLASSES OF SERVICE

REFER TO APPROPRIATE SECTION IN DIVISION 501. DP- DIAL PULSE CONTACTS

4. SET IS FACTORY WIRED FOR BRIDGED RINGING SERVICE. ON- DIAL OFF-NORMAL CONTACTS

CONNECTIONS FOR H IB R I NGER SHOWN •

""I'"I_K,_,N_E=,=osF,:,w,=e,_=FOLLOWS

TO 2 OF TERM. STRIP (S-R) TO A OF NETWORK
(S) TO K OF NETWORK (R) TO I OF TERM STRIP
REMOve (S)STRAP FROM A OF NETwoRK AND I OF TERM. STRIR

:.:.:.:.:.: ...................... ::i:i:i:!:: .,..:::::.

:::::::::::

.......... ;i.i11.; _._ _)

:::::::::.:
ii!i!i!:!i:

i:i:i:!:i: G ::::::::::

iiii!iiiiii+ " i=i::i!iii:!i

i_ii_!iiii iiiiiiizi

...... :i:i:i:_:i:

.:.:.:.:.:.......

iiiM ...........

:!:i:i:i:i" :::::::::::

Fig. 1--558F Telephone Set Connections Wired for 2-Line Pickup With Exclusion on Line 1, Signaling, and

Speakerphone (Factory Wired)

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