Technical specfications – VTech VT 4121 User Manual
Page 37

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VT 4121 Speakerphone
Physical:
Modular, Desk/
Wall Mounted,
High/Low Angle
Stand
Power:
Class 2 Trans-
former
Input:
120VAC, 60Hz,
7W
Output:
12VDC, 400MA
(milliamps)
Electrical:
4 CO/PBX Lines,
2 Wire, Loop Start,
600 Ohms, 24/
48VDC
Ringer Equivalence: 0.3B
Mechanical:
2 Each RJ-14C
Jacks
Line 4 Auxiliary
Jack
2.5mm Headset
Jack
Power Jack 12
VDC
LCD:
Wide Angle Su-
per-Twist (STN) 2
x16 Alpha-Nu-
meric
TECHNICAL SPECFICATIONS
Function Buttons:
, C I D ,
, E n d ,
ERASE, Do Not Dis-
turb, Dial, Page,
Page All, CO Lines 1/
2/3/4*, Intercom*,
Mute(Enter)*, Pro-
gram, Volume, Con-
ference, Flash,
R e d i a l ( P a u s e ) ,
Speaker*, Hold, 18
Speed Dial Buttons
(*) denotes button
with LED
Dial Keys:
12 Keys, Continuous
DTMF
Dimensions:
237 mm long
212 mm wide
93.5 mm high
Weight:
35.1 ounces (0.994
kg)
Specifications, features, and availabil-
ity of optional accessories are all sub-
ject to change without prior notice.