BELL SYSTEM PRACTICES
AT
&
TCo Standard
•
SECTION 503-701-101
Issue 8, December 1977
TELEPHONE SETS
830- AND 2830-TYPE
1.
GENERAL
1.01
This section contains identification, installation,
connections, and maintenance information on
the 830- and 2830-type telephone sets.
1.02
This section is reissued to:
•
Add D50BA-87 mounting cord
•
Show D50AK-87 mounting cord MD
•
Add 647 AJ5 key
•
Make wiring changes on sets equipped with
new line switch
•
Show necessary wmng changes when sets
are used with speakerphone (Table H)
•
Revise dial restriction information (Table
C and Fig. 6)
•
Add 533K diode for use with station busy
lamp.
2. IDENTIFICATION
Purpose
2.01
The 830- (rotary dial) and 2830- (TOUCH-TONE®
dial) type telephone sets are obtainable as
modular or complete desk-type, 10- or 11-button,
key telephone sets equipped to provide standard
key system features (Fig. 1 and 2).
Refer to
Table A for available colors.
Application
2.02
Use d w i t h c e n t r a l o f f i c e, P B X o r
intercommunicating line circuits i n 1A1, 1A2,
or 6A key telephone systems (KTS). These sets
are not equipped for use with 1A KTS.
Fig. 1-830CM Telephone Set
Fig. 2-.830DM Telephone Set.
2.03
All 830- and 2830-type telephone sets may
be used with the 4A speakerphone. All sets
may be used with the 3-type speakerphone; however,
due to the limited number of mounting cord leads,
an auxiliary mounting cord (D10R) may be required.
NOTICE
Not for use or disclosure outside the
Bell System except under written agreement
Printed in U.S.A.
BSP
Scanned by FranR Rarrell, (Cowboy Frank) Castle-Rock, Colorado Oct 05, 2012 16:57:40
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