System 412  (430-0460)       Specifications            Faxback Doc. # 8690

TELEPHONE:

Pulse Dialing Rate..................................................10 pps
Inter-digit Pause...............................................850 m sec.
Access Pause........................................................2 sec.
Touch-Tone Dialing...........................................Standard DTMF
Memory Capacity....................................Redial Memory:32 digits
Memory Dialing:.............................32 digits X 20 memory position
Telephone Connector......................................Modular Connector
........................................................USOC type RJ14 X 2

INTERCOM RECEPTION:

RF Frequency............................................Originate: 320 kHz
...........................................................Answer: 285 kHz
Signal-to-Noise Ratio.......................................Handset: 45 dB
at 10 mV Input..............................................Speaker: 48 dB

AUDIO OUTPUT:

Handset:............................................-20 dBm at 10 mV Input
Speaker:.............................................................40 mW

TRANSMISSION RF FREQUENCY:

Originate:..............................................................28
Answer:.............................................................20 kHz

RF Output Voltage....................................-21 dBV across 135ohm

GENERAL:

Power Supply....................................AC Adapter (AC 120V/AC 9V)
................................................................9V Battery

Accessories...............................Intercom switch tool, AC Adapter
......................................Two phone line cords with RJ14 plugs

Dimensions....................................25/8 X 71/8 X 9 Inches (HWD)
(without handset)........................................66 X 181 X 229 mm

Weight.................................................2 lb 10 oz (1.2 kg)

OPERATING PARAMETERS:

This information is supplied to assist answering possible technical 
questions from your phone company.

Interface.......................................................Loop Start
Ringer.............................................Standard bridged ringer
..............................................20-60 Hz sine or square wave
..................................................40-105 volts ring signal
Current.......................................6-15 VDC (off Hook)/20-70 mA
Resistance...........................10 M ohm (on hook)/300 ohm (off hook)

NOTE:  This phone has Continuous DTMF/Key Following.

Specifications are typical; individual units might vary.  Specifications
are subject to change without notice.

(SMC/ir-04/05/95)