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Bell System Practices 902A1 Quick Start Manual

Telephone sets

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BEU SYSTEM PRACTICES
&
AT
TCo Standard
1.
GENERAL
1.01
This section provides identification, installation,
and connection information for the 902Al
(Fig. 1) and 2902Al DESIGN LINE* telephone
(Sculptura)
sets.
* Trademark AT&TCo.
Whenever this section is reissued, the reason
1.02
for reissue will be listed in this paragraph.
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 or 225A adapter furnished with each
telephone set.
Warning:
wiring shall
location
where minimum
from
other
S e c t i o n
maintained.
2.
IDENTIFICATION
The 902Al (rotary dial) and 2902Al
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.
BSP S03-200-102-i01_1977-06-0l.jpg
Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado
902A 1 AND 2902A 1
Telephone
apparatus
not
be
installed in
separation
wiring as
s pecified in
460-300-149
c a n n o t
The customer
Not for use or disclosure outside the
Bell System except under written agreement
TELEPHONE SETS
or
a
Op t i o n a l
2.04
b e
separately):
819040122 (P-90D012) Guard Assembly.
3.
INSTAllATION AND CONNECTIONS
These telephone sets are furnished from
3.01
the factory fully assembled and wired for
bridged ringing. The PIA ringer is shipped from
the factory with the bias spring in the low bias
position.
mounting cord into a 625-type connecting block or
if the existing jack is a 548A or equivalent, use
the 225A adapter furnished with each set.
The internal connections for the 902Al and
3.02
2902Al telephone sets, for nonkey system
use, are shown in Fig.
Connections for lA KTS do not require any
3.03
set modifications and are the same as Fig.
3
and 4.
NOTICE
Printed in U.S.A.
Feb 08,2012 18:18:42
SECTION 503-200-102
Issue 1, June 1977
Fig. 1-2902A 1 Telephone Set
Co m p o n e n t
To connect the telephone set, plug the
3
and 4, respectively.
(o r de r e d
Page 1

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Summary of Contents for Bell System Practices 902A1

  • Page 1 BEU SYSTEM PRACTICES SECTION 503-200-102 & TCo Standard Issue 1, June 1977 TELEPHONE SETS 902A 1 AND 2902A 1 GENERAL 1.01 This section provides identification, installation, and connection information for the 902Al (Fig. 1) and 2902Al DESIGN LINE* telephone (Sculptura) sets.
  • Page 2: Ordering Guide

    TABLE A ORDERING GUIDE "' JACK HANDSET � HANDSET TRMTR RCVR TEL SET* DIAL NET. RINGER CORD CORD UNIT UNIT CORD CORD HANDSET JACK JACK ..., 902Al-58 H4DU-58 902Al-93 H4DU-93 SHA-119 4228M 902Al-104 H4DU-104 D4BU-29 616W 616P 623P 2902Al-58 H<iDU-58 2902Al-93 H4DU-93 35AH3D...
  • Page 3 ISS 1, SECTION 503-200-102 TABLE B LINE AND RINGER CONNECTIONS (902A1 TELEPHONE SET) TIP PARTY WIRE INDIVID. IDE NT RING COLOR GROUND PARTY IDENT LEAD BRIDGED GROUND 1000it 2650it Inside Wire at Conn Blk 623P4 Line Cord Jack Assy •...
  • Page 4 SECTION 503-200-102 TABLE C LINE AND RINGER CONNECTIONS 2902A 1 TELEPHONE SET TIP PARTY WIRE INDIVID. I DENT RING COLOR GROUND PARTY I DENT LEAD BRIDGED GROUND 1000S1 26SOS1 Inside Wire at Conn Blk 623P4 Line Cord Jack Assy • •...
  • Page 6 SECTION 503-200-102 TABLE D POLARITY GUARD CONNECTIONS FOR 2902A1 TELEPHONE SET 819040122 (P-90D012) GUARD ASSEMBLY DIS- CON- CONNECT NECT FROM LEAD COLOR POLARITY NET. NET. GUARD Dial Line Switch (Note 1) 623P4 Line Cord (Note 2) Jack Assy. Polarity Guard Notes: If wired for bridged service, ring party, tip party KTS.
  • Page 7 WIRE LINE INSID( 625-TYPE 04BU·29 623P4 P-TYPE (NOTE 3) CONN BLK RINGER SWITCH JACK I NOTEII (NOTE 21 CORD ASSY Tl P RING GRO OR SPARE OR A (BK) NOTES: SET WIRED FOR INDIVIDUAL OR BRIDGED RINGING. 2. WHBII USED WITH KTS, TO PREVENT A FALSE HOLD CONDITION WHEN GOING ON-HOOK, THE TIP AND RING LINE SWITCH CONTACTS MUST �...
  • Page 8 DIAL 04BU-29 623P4 NETWORK 62�-TYPE LINE INSIDE WIRE PI-TYPE "DUI •r• CONN BLK RINGER SWITCH !NOTE JACK "' CORD !NOTE 2) ASSY (NOTE � RIN G � GRO OR � SPARE OR A � soon (BI<) NOTES: SET WIRED FOR INDIVIDUAL OR BRIOGED RU.cilNG, 2.

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