Справочник Пользователя для AT&T System 85

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7444 Voice Terminal
Ringing
The 7444 voice terminal has electronic tone ringing with eight possible ringing patterns that can
be selected with the SELECT button and the CONFERENCE/RING button.  The loudness of the
tone ringer can be controlled by the VOLUME ‘‘arrow’’ button.  (The user must not be on a speak-
erphone call.  If the user is using the speakerphone, the VOLUME ‘‘arrow’’ button controls the
volume of the speakerphone.)
Mounting Options
The 7444 voice terminal comes equipped with a nonadjustable desk stand.  This voice terminal
cannot be wall-mounted.
Color Options
The 7444 voice terminal is available in black and misty cream.
Distance Limitations
The maximum allowable distances of a 7444 voice terminal from the DEFINITY G1, G2, G3, Sys-
tem 75, or System 85 cabinet are shown in the table below.
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NOMINAL MAXIMUM RANGE
IN FEET (METERS) (SEE NOTE)
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SYSTEM
PORT BOARD
24 AWG
26 AWG
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SYSTEM 85
SN270B
3,400 (1,034)
2,200 (671)
TN754
3,400 (1,034)
2,200 (671)
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DEFINITY G2
SN270B
3,400 (1,034)
2,200 (671)
TN754
3,400 (1,034)
2,200 (671)
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DEFINITY G1 & G3
TN754
3,400 (1,034)
2,200 (671)
SYSTEM 75
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Note:
These ranges can be extended to 5,000 feet (1524 m) for 24 AWG wire and 4,000
feet (1219 m) for 26 AWG wire with the use of a Data Link Protector (DLP).  Refer to
3-227