Key Features: * Pre-programmed to automatically route fax calls to fax or fax modem * Barge-In protection means active calls won"t get interrupted by another connected device * Eliminate unnecessary phone lines * Add new equipment without adding phone lines * Transfer a call to any device port by touch tones * Bell Spec tones sounds just like the phone company"s * Programming is preserved after a power outage * Program all features via telephone keypad; no PC interface or drivers to install * Program security access codes means better security and control * Remote programming and diagnostics * 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 * 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 * Temperature: Operating Temperature conditions: 0 to 40 degrees C, Non-Operating Temperature conditions: -10 to 70 degrees C * Humidity: Operating Humidity conditions: 10% to 90% non-condensing, Non-Operating Humidity conditions: 5% to 90% non-condensing * FCC approved (Part 15 Class B/Part 68)