NEC UNIVERGE NEAX 2000 IPS Reference Manual page 66

Chapter 3 System Highlights
Rotary Dial Pulse and DTMF Signaling
(1) Rotary Dial Signal
Description
Dial Speed
Break Ratio
Inter-Digit Pause
Switch-Hook Flash Detection
(2) DTMF Signal
Description
Signal Code
Frequency Deviation
Signal Duration
Inter-Digit Pause
Signal Level
Unwanted Frequency
Components
Page 3- 18
Receiving
9 to 22 pps
55 to 77 %
Min. 256 msec.
384 to 2,300 msec.
Receiving
High Frequency Group
Low Frequency Group
+/- 1.8 %
Min. 40 msec.
Min. 40 msec.
-46 to -5 dBm
Not Applicable
UNIVERGE
NEAX
Specifications
10 pps +/- 0.8pps
20 pps +/- 0.8 pps
67 +/- 3% or 62 +/- 3%
300 to 1,000 msec.(10 pps)
Not applicable
Specifications
Sending
1,209Hz
697Hz 1
770Hz 4
852Hz 7
941Hz *
+/- 0.8 %
64 or 128 milli-sec.
32 to 240 msec.
-10 dBm (low group)
- 8 dBm (high group)
40 dB below the power of signal frequency
2000 IPS Request For Proposal (RFP) Reference Guide
Sending
1,336Hz 1,477Hz
2 3
5 6
8 9
0 #
Issue 6