User`s guide

15
Specifications
Electrical
Return Loss — @ 600 ohms: Greater Than 14dB
Line Current Range: 15 to 85 mA
Apparent Line Resistance: 275 ohms at 20mA
Rotary Dial Output
Pulse Rate: 10 pps +/- 10%
M/B Ratio: 60/40% +/- 2 %
Interdigit Interval: 820 mSec
Leakage During Break: >120 Kohms
DTMF Output (into 600 ohms )
Tone Frequency Error: +/- 1.5%
Tone Level —
High Group: -6dBm +/- 2dB
Low Group: -8dBm +/- 2dB
High vs Low Tone Difference: 2dB +/- 1dB
Memory Dialing
Type: Last Number Redial
Mode: Tone and Pulse
Retention: with battery > 2yrs, without 8 min.
nominally
Capacity: 32 Digits
Ringer
Electronic Dual Tone