Duophone-203  (430-0624)    Specifications              Faxback Doc. # 8233

Typical Memory..............................................200 4-character
.....................................................names +-7-digit numbers

Capacity:.............................................186 5-character names
...........................................................+ 7-digit numbers
.......................................................178 4-character names
..........................................................+ 10-digit numbers
.......................................................163 5-character names
..........................................................+ 10-digit numbers

Each number stored uses 5+ (number of digits) + (two times
........................number of characters in name) bytes

Total Memory Capacity...........................................4096 bytes

Maximum Characters Per Name:............................................16

Maximum Digits in
Telephone number:.......................................................32

Redial Memory:...................................................32 Digits

Pulse Dialing

Dialing Rate:.........................................10 pulses per second
Inter-Digit Pause:........................................800 milliseconds

Tone Dialing:................................................Standard DTMF

Access Pause:....................................................2 seconds

Display (LCD):..............................................7-Digit Liquid
............................................................Crystal Display

Battery:.......................................2 C-size alkaline batteries

..........................................Telephone Connection:Modular USOC
.................................................................Type RJ-11

TELEPHONE PARAMETERS

We have included the following information to help you answer possible
questions from your telephone company.

Interface:......................................................Loop Start

Ringer Type:.......................................Standard Bridged Ringer
...............................................20-60 Hz sine or square wave
...................................................40-105 Volts ring signal

Current:...................................................10-50 milliamps
..............................................................6-15 Volts DC

Line Voltage:.............................................13 Volts Minimum

Resistance:............................................10 Megohm (On-Hook)
.........................................................300 Ohm (Off-Hook)

(RLR-10/04/93)
.