US Robotics USR4000 Merkblatt

For connection to the Public Switched Telephone Network (PSTN)

Input Power Requirements

•  At AC Transformer: 110-125 Volts AC only, 50-60 Hz

•  At power jack on Call Director: 12/14 Vac, 14/16 Vdc

Power Consumption

•  Active: 6.2 Watts

•  Standby:

•  Approximately 50 mA @120 Vac

•  Approximately 44 mA @12 Vdc

Call Operator Interface

•  Ringer Equivalence Number: 0.5B

•  Input Ring Detection: 40-150 Volts AC, 15-68 Hz

Device Interface

•  Battery: 48 Volts Nominal DC to all devices

•  Off-Hook Detection: 3-80 mA

•  Ring Generator Frequency: 30 Hz (+/-0.1) Hz Voltage Regulated

and current limited

Waveform

•  True Sinusoidal

•  Ringing No Load: Approximately 82.8 Volts RMS AC

•  Ringing 8K Ohm Imp. (REN1.0): Approx. 81.6 Volts RMS AC

•  Ringing 4K Ohm Imp. (REN2.0): Approx. 73.0 Volts RMS AC

•  Ringing 2.7K Ohm Imp. (REN3.0): Approx. 64.5 Volts RMS AC

•  Ringing 2K Ohm Imp. (REN4.0): Approx. 55.0 Volts RMS AC

•  Ringing 1.8K Ohm Imp. (REN5.0): Approx. 49.5 Volts RMS AC

Physical

•  5 RJ-11 Ports (Line In, Voice 1, Voice 2, Fax, Modem)

•  Power Supply: 12Vac 1A

•  Power LED

Environmental

•  Operating Temperature conditions: 0 to 40 degrees C

•  Non-Operating Temperature conditions: -10 to 70 degrees C

•  Operating Humidity conditions: 10% to 90% non-condensing

•  Non-Operating Humidity conditions: 5% to 90% non-

condensing

Regulatory

•  FCC approved (Part 15 Class B/Part 68)

Package Dimensions/Weight

•  12 x 8 x 2.5 in.

•  1.7 lb

Product Dimensions/Weight

•  8.2 x 2.5 x 1.45 in.

•  1.0 lb

Package Contents

•  USR Call Director

•  AC Power Supply Unit

•  RJ-11 Telephone Cable

•  User Manual

Product Number

•  USR4000

Warranty

•  1-year limited manufacturer warranty from date of  purchase

Public

Switched 

Telephone

Network

Specifications