Distance Limitations - AT&T Callmaster Series Reference Manual

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.
SYSTEM
SYSTEM 85
DEFINITY G2
DEFINITY G1 & G3
SYSTEM 75
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
the EXPOSED PORT PROTECTION section.
NOMINAL MAXIMUM RANGE
IN FEET (METERS) (SEE NOTE)
PORT BOARD
24 AWG
SN270B 3,400 (1,034)
TN754 3,400 (1,034)
SN270B 3,400 (1,034)
TN754 3,400 (1,034)
TN754 3,400 (1,034)
7444 Voice Terminal
26 AWG
2,200 (671)
2,200 (671)
2,200 (671)
2,200 (671)
2,200 (671)
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