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Installing Adjuncts
Table 3-2. Single-Line Telephones
Model
Description
2500MMGB
Basic desk telephone
2554MMGJ
Basic wall telephone
2500YMGK*
Basic desk telephone with Message light and
Recall
button;
Recall
button used instead of switchhook for features that require a switchhook
flash.
2500SM
Basic desk telephone used with 4A speakerphone
2514BMW
Basic desk telephone with built-in headset jack
2526BMG
Outdoor telephone used with weatherproof enclosure
7101A*
Basic desk telephone with Message light and
Recall
and
Disconnect
buttons. No adjuncts supported.
7102A
Basic desk telephone with Message light lamp and
Recall
button. The
101 and 201 speakerphones and the 500 headsets are supported. Can
be used for Dower-failure transfer (PFT) extensions.
CS6402UO1A* Basic desk telephone, Feature Phone Model 420. Has built-in
speakerphone, memory, and redial.
2500MMGJ
Basic desk telephone
2500MMGK
Basic desk telephone with
Recall
button;
Recall
button used instead of
switchhook for features that require switchhook flash.
8102†
Basic desk telephone with jack to support headset adapters and
speakerphone adjuncts.
8110
Basic desk telephone with a built-in speakerphone with volume control
and
Mute
button with LED indicator.
500MM
Basic telephones equipped with rotary dials so no system features
554BMPA
requiring * and # can be used. Telephones with neon
500SM
not supported.
*
†
Message lights are
Vintage telephone, no longer available for sale or lease
Although the 8102 can be connected to a speakerphone and the8110 has a
speakerphone, they cannot be used for group paging (not supported on
single-line telephones). The auto answer function on the 8110 must be
disabled.
Installing Telephones and Adjuncts 3-41