use on 4-wire circuits.
Connections for 4A
speakerphone system must be engineered
locally.
Refer to SD-69923-01 and Section
512-730-460 for Reference.
COLOR
2.02
These CALL DIRECTOR telephone sets are
available
in
standard telephone set colors
with coordinated color paper mats. One gold mat
and one silver mat is shipped loose with each set
{Tables E and F).
TABLE A
COORDINATED COLOR SCHEME
TELEPHONE SET, CORD,
PAPER MAT
HOUSING, AND HANDSET
COORDINATED COLOR
COLOR
CODE
COLOR
CODE
Black
-03
Charcoal
-70
Green
-51
Lt. Green
-71
Red
-53
Muted Red
-69
Yellow
-56
Lt. Yellow
-72
White
-58
Lt. Gray
-7 3
Lt. Beige
-60
Muted Beige
-75
Lt. Gray
-61
Charcoal
-70
Aqua Blue
-62
Muted Blue
-76
Silver
-78
Gold
-79
ISS
3,
SECTION
529-226-142
•
Polarity guard for end-to-end signaling
capability
•
18- and 30-line capacity
•
Optional headset adjunct.
APPLICATION
2.04
These sets are intended for:
•
Specially engineered line circuits of 1A1,
1A2, or 6A key telephone systems having
2- or 4-wire capability per SD-69581�01
•
Standard 3B (MD) speakerphone for 2-wire
line circuits (2684A- and 2685A-type)
•
3B speakerphone modified for 4-wire line
circuits (2684A- and 2685A-type)
3.
INSTAUATION
3.01
Planning:
When installing the
2684-
or
2685-type telephone set and its optional
services, consider the following:
•
Safety for yourself, customer, and maintenance
personnel
•
Distance between apparatus and associated
equipment
•
Space requirements
•
General appearance of installation
3.02
Installing the Set:
DESIGN FEATURES
•
Remove housing with faceplate and mat by
2.03
These sets have the following design features:
•
Removable faceplate and mat
•
Pushbutton key positions convertible to
signaling
•
6 transfer line switch
•
2- or 4-wire operation
loosening two screws at rear of set
•
Install key units as necessary and make
connections of key leads
•
Stamp key designation strips and install
under lamp strip
•
Assure connections are correct and tight,
and reassemble set
•
Connect plug-ended mounting cord t o
appropriate connector cable
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