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BELL SYSTEM PRACTICES
&
AT
TCo Standard
1.
GENERAL
This section contains identification, installation,
1.01
and connection information for the 911Al
and 2911Al (Fig. 1) DESIGN LINE* telephone
( Telstar)
sets.
*Trademark AT&TCo.
Fig. 1 -2911A 1-03 Telephone Set with Cover Open
Whenever this section is reissued, the reason
1.02
for reissue will be listed in this paragraph.
TEL SET*
911Al·03
2911Al·03
* These set are available in Black ( -03) only.
BSP 503-200-105-i01_1978-07-0l.jpg
Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado
TELEPHONE SETS
911 A 1 AND 2911 A 1
HANDSET
DIAL
RINGER
SHA-119
PlA
KlA-03
35BB3D
Not for use or disclosure outside the
Bell System except under written agreement
The customer's premises must be properly
1.03
wired with an appropriate connecting block
or jack in order to accept the D4BU-29 plug-ended
mounting cord.
Warning:
wiring shall not be installed in a
location where minimum separation
from other
Se ction 460-300-149 cannot
maintained.
2.
IDENTIFICATION
The 911Al-03 (rotary dial) and 2911Al-03
2.01
(TOUCH-TONE® dial) equipped telephone
sets are new DESIGN LINE telephone sets being
made available to the customer.
buys the housing and handset from the telephone
company and the telephone company retains
ownership of the transmission and signaling
components.
Refer to Table A for available codes and
2.02
ordering information.
These telephone sets are intended to be
2.03
used as single line or two-party desk sets
and are not recommended for use on four- and
eight-party service.
TABLE A
ORDERING GUIDE
JACK
TRMTR
IN
UNIT
HANDSET
Tl
616W
NOTICE
Printed in U.S.A .
Feb 08, 2012 18:31:54
SECTION 503-200-1 05
Issue 1, July
T elephone
apparatus or
wiring as specified in
The customer
MTG
RCVR
MTG
CORD
UNIT
CORD
JACK
LBl
D4BU-29
623P4
1978
b e
CORD
REEL
5C
Page 1

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Summary of Contents for Bell System Practices 911A1

  • Page 1 BELL SYSTEM PRACTICES SECTION 503-200-1 05 & Issue 1, July 1978 TCo Standard TELEPHONE SETS 911 A 1 AND 2911 A 1 The customer's premises must be properly GENERAL 1.03 wired with an appropriate connecting block This section contains identification, installation, or jack in order to accept the D4BU-29 plug-ended 1.01...
  • Page 2: Installation And Connections

    1A converter. Remove number card retainer and remove screw located under number card. 3.02 The internal connections for the 911A1 and 2911A1 telephone sets, for nonkey system use, are shown in Fig. 2 and respectively. ( 4) Remove faceplate by pulling faceplate upward...
  • Page 3 LINE NETWORK HANDSET IN$10( RINGER DIAL 625-TYPE 62'3P4 (NOTE CONN BLK (NOTE SWITCH JA(f( CORD (NOTE 21 ASSY REEL � � � � (3K) . (BL) 5o on IBLI (BK) N)TES: SET WIRED FOR INDIVIDUAL BRIDGED RINGING 2. WHEN USED WITH PREVENT A FALSE KTS, TO H:llD CONDITION �EN GOING QN-t()OK, THE...
  • Page 4 "Ill 04BU�29 623P4 RINGER LINE NETWORK WIRE 625-HPE DIAL " INSlOE ""' �:TG .JA�I'. (NOTE SWITCH (NOTE 31 CONN BLK CORD ASSY (NOTE 2:1 CORrJ REEL f--- -- -- -- -7 f--- -- -- -- -7 soo n NOTES: soon SET �IRED FOR INDIVIOUAL OR BRIDGED RINGING.
  • Page 5 ISS 1, SECTION 503-200-105 TABLE B LINE AND RINGER CONNECTIONS (911A 1 TELEPHONE SET) TIP PARTY WIRE INDIVID. I DENT RING COLOR GROUND PARTY I DENT LEAD BRIDGED 1ooon 2sson GROUND Inside Wire at Conn Blk 623P4 Line Cord Jack Assy. •...
  • Page 6 SECTION 503-200-1 05 TABLE C LINE AND RINGER CONNECTIONS 2911A1 TELEPHONE SET TIP PARTY WIRE INDIVID. RING I DENT COLOR PARTY GROUND I DENT LEAD BRIDGED 1000S1 26SOS1 GROUND Inside Wire at Conn Blk 623P4 Line Cord Jack Assy. Ringer •...
  • Page 7 ISS 1, SECTION 503-200-105 TA!lLE D POLARITY GUARD CONNECTIONS FOR 2911A1 TELEPHONE SET 819041708 (P-90D170) GUARD ASSEMBLY DIS. CON- CONNECT NECT LEAD COLOR FROM POLARITY NET. NET. GUARD Dial Line Switch (Note 1) 623P4 Line Cord (Note 2) Jack Assy. Polarity Guard Notes:...

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