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Bell System Practices Plant Series Identification, Installation, Operation, Connections, And Maintenance

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BELL SYSTEM PRACTICES
Plant Series
IDENTIFICATION, INSTALLATION, OPERATION,
1.
GENERAL
The 2626A1 telephone set (Fig. 1) is intended
1.01
solely
for
use
with
lines
-
not for general telephone use.
Information contained in this section was
1.02
formerly found in Section 502-626-100, which
is canceled.
2.
IDENTIFICATION
PURPOSE
This set is intended for use with Switching
System No. 307 and is arranged for TOUCH-TONE®
dial calling on 2- or 4-wire lines.
ORDERING GUIDE
Set, Telephone, 2626A1-3
Note:
Set is available in black (-03) only.
Fig. 1-2626A 1 Telephone Set
TELEPHONE SETS-2626A 1
CONNECTIONS, AND MAINTENANCE
specially
engineered
©
American Telephone and Telegraph Company,
Printed in U.S.A.
Issue 1, September 1968
(a) Replaceable Components (Fig.
Buzzer, KS-8109L2
•
Cord, Mounting, D120F-3
•
Dial, 22D3
•
Faceplate Assembly, 220A1-78
•
Components of 220A1-78 Faceplate Assembly
•
P-20F627 Mat (silver)
P-20F640 Faceplate
Key, 598A
•
Key, 599A
•
Lamp, 51A
•
P-27E737 Relay Assembly (FW and PC)
•
P-44E508 Bezel
•
Fig. 2-2626A 1 Telephone Set, Cover Removed
1968
SECTION 529-226-113
AT
TCo Special
&
and 3)
2
Page
1

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Summary of Contents for Bell System Practices Plant Series

  • Page 1 BELL SYSTEM PRACTICES SECTION 529-226-113 Plant Series Issue 1, September 1968 TCo Special & TELEPHONE SETS-2626A 1 IDENTIFICATION, INSTALLATION, OPERATION, CONNECTIONS, AND MAINTENANCE (a) Replaceable Components (Fig. and 3) GENERAL Buzzer, KS-8109L2 The 2626A1 telephone set (Fig. 1) is intended 1.01...

  • Page 2: Design Features

    SECTION 529-226-113 DESIGN FEATURES Components of P-44E508 Bezel • P-44E505 Upper Bezel Six transfer line switch • P-44E506 Lower Bezel 2- or 4-wire operation (using FW relay) • P-44E507 Bezel Retainer Multiple keys arranged line pickup, • holding, and control RM-712661 Bezel Clip Expanded dialing...

  • Page 3: Installation

    ISS 1, SECTION 529-226-113 Table B-Modification To Reduce Dialing Tones INSTALLATION In 4-Wire Configuration Planning Table C-Modification To Permit Multipling Stations Safety for yourself, customer, and maintenance • personnel Table D-Ringer Connections Location-desk, console, table, etc. • Table E-Plug Termination of D120F Cord Space requirements •...
  • Page 4 SECTION 529-226-113 TABLE A TABLE C MODIFICATION TO PERMIT MULTIPLING STATIONS MODULE AND KEY ARRANGEMENT CONNECT REMOVE 1ST MODULE 2ND MODULE 3RD MODULE FROM WIRE OR LEAD UNIT KEY UNIT KEY UNIT 599A KEY 598A KEY 598A KEY Mtg Cord TBIII-T (Y-S) Net.
  • Page 5 ISS 1, SECTION 529-226-113 TABLE E PLUG TERMINATION OF D120F CORD LEAD DESIGNATION D120F PLUG 3 PLUG PLUG CORD PLUG TERM. GREEN-WHITE BLUE-WHITE ORANGE-WHITE COLOR BINDER BINDER BINDER BL-W W-BL SPARE • A, S, or S1 A, S, or S1 BR-W W-BR SPARE...
  • Page 6 SECTION 529-226-113 2203 OIAL PART LINE SWITCH (8Rl (R-Gl EBM2 EMBI EBM3 EBM4 EBM5 EBM6 PART OF TB2 KS·I63 9 0,L4 KS·I3490,LI RESISTOR Fig. 4-2626A 1 Telephone Set, Connections (Sheet 1 of 2) Page 6...
  • Page 7 529-226-113 ISS 1, SECTION RELAY ASSEMBLY T 8 3 PART OF DI20F MTG C ORD (Y- BRl -48V -48V(PC 8 OR 81 R OR Rl .,_:JEM84 ..,., ..w EBM3 G3Y HANDSET EBM2 (SEE NOTE) F'ROM SH I EBMI KS -8109 L2 BUZZER (G-Rl (W-0) NIA RINGER...
  • Page 8 SECTION 529-226-113 1ST MODULE KEY UNIT (599AKEY) 1ST POSITION CONTROL KEY CONN ( N ONLOCKINGl LAMP 2ND POSITION CONTROL KEY (NONLOCKING) 2ND LAMP 3RD POSITION PICKUP OR SIGNAL KEY (LOCKING) 3RD LAMP 4TH POSITION PICKUP OR SIGNAL KEY (LOCKING) 4TH LAMP POSITION LINE I PICKUP KEY...
  • Page 9 SECTION 529-226-113 FIG. A75A CONNECTOR CAB L E PART OF DI20F BL-W BINDER �� CSEE NOTE) PART OF BL - W PLUG CONN LEAD PLUG BINDER DESIGNATION ( B L-Wl (0-Wl (0-W) (W-0) (G-W) CW-Gl (W-G) 38 ;. (BR-Wl (BR-Wl ( W -BR) ( W -BR) ( S W)
  • Page 10 SECTION 529-226-113 2NO MODULE KEY U ( 598A KEY) 1ST POSITION CONTROL KEY �G LAMP POSITION CONTROL KEY ( N ONLOCKING) LAMP 3RO POSITION PICKUP SIGNAL KEY (LOCKING) 3RO LAMP 4TH POSITION PICKUP OR SIGNAL KEY (LOCKING) 4TH LAMP 5TH POSITION PICKUP -+<...
  • Page 11 ISS 1 SECTION 529-226-113 TO FIG. 4 ,...- -- --, PART OF (i)): DI20F MOUNTING A75A CONNECTOR CABLE �� CORD O-W BINDER PLUG n LEAD > PLUG DESIGNATION BINDER ( W -Bll !BR-W) ( W -BR) lBL-Rl 14 ; (R-Gl lBR-R) 40 / (S-R)
  • Page 12 SECTION 529-226-113 3RD MODULE KEY UNIT (598A KEY) 1ST POSITION PRECEDENCE SIGNAL KEY CONN (NONLOCKING) 1ST LAMP 2ND POSITION PRECEDENCE SIGNAL KEY (NON LOCKING) 2ND LAMP 3RD POSITION PRECEDENCE SIGNAL KEY (NONLOCKING) 3RD LAMP 4TH POSITION PRECEDENCE SIGNAL KEY (NONLOCKING) 4TH LAMP 5TH POSITION -+<...
  • Page 13 ISS 1, SECTION 529-226-113 PART OF DI20F MOUNTING A75A CONNECTOR CABLE CORD G-W BINDER PLUG LEAD PLUG CONN BINDER � DESIGNATION PC I SPARE (0-Wl (W-Ol (W-0) (G-Wl (W-0) 1 3 � (W-G) (W-Gl (R-BU (R BU (Q-Rl (R-Ol (R-Ol SPARE (G-R) (G Rl...

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