P
AGE
25
of 28
A
UXILIARY
P
OWERED
ADA-C
OMPLIANT
E
MERGENCY
P
HONES
Pub.
42004-378A
d:\standard ioms - current release\42004 instr. manuals\42004-378a.doc
05/06
Specifications
Auto-dial digit limit ......................................................................................................................... 24 digits
Electrical
Audio output .................................................................... Minimum 80 dB at 1 meter at normal voice level
Input .................................................................................................................................... 12 V dc, 200 mA
Phone line requirements........................................................................... Loop start, central office (CO), or
Analog station port (PBX, PABX, or KSU)
Minimum loop current .................................................................................. 24 mA (35 mA recommended)
Auxiliary output (isolated solid state switch) ................................................................. 48 V dc @ 125 mA
28 V
RMS
ac @ 80 mA
RMS
Signaling ..........................................................................................................................DTMF 100 ms tone
Memory...................................................................................................................... Non-volatile EEPROM
Mechanical
Operating temperature range................................................................................................ -20º C to +60º C
Relative humidity.....................................................................................................to 95%, no condensation
PCBA (printed circuit board assembly) ..............................................................................Conformal coated
Model 293-101
Enclosure construction......................Valox (high impact, glass-reinforced polyester) painted safety yellow
Dimensions ............................................................. 9.5 H
×
8 W
×
4 D inches (241.3
×
203.2
×
101.6 mm)
Weight................................................................................................................................................. 4.0 lbs.
Models 293-101AL and 294-101AL
Enclosure construction.........................................................................Cast aluminum painted safety yellow
(Model 294-101AL only) Braille dial pad ..................................................................Chrome-plated zinc
Dimensions ............................................................. 9.5 H
×
8 W
×
4 D inches (241.3
×
203.2
×
101.6 mm)
Weight
Model 293-101AL ........................................................................................................................ 7.8 lbs.
Model 294-101AL ........................................................................................................................ 8.5 lbs.
Model 297-101 and 298-101
Construction
Panel .................................................................................................... 14-gauge, brushed stainless steel
Back box....................................................... 16-gauge cold-rolled steel with black polyurethane finish
(Model 298-101 only) Braille dial pad ......................................................................Chrome-plated zinc
Dimensions
Panel .................................................................................... 12.0 H
×
10.0 W inches (304.8
×
254 mm)
Back box (depth from mounting surface)............................................................ 2.38 inches (60.5 mm)
Panel Cutout ................................................................. 10.1 H
×
8.43 W inches (255.57
×
214.12 mm)
Weight
Model 297-101 ............................................................................................................................. 6.5 lbs.
Model 298-101 ............................................................................................................................. 7.2 lbs.