System 412  (430-0460A)         Specifications         Faxback Doc. # 7467

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 mV

Transmission
RF Frequency:...........................................Originate: 285 kHz
                                                           Answer: 320 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:.................................2 5/8 x 7 1/8 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 you in 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)

(LB-08/22/94)