Electra Elite IPK
Document Revision 4
General Description Manual
5 - 17
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H
AP(A)-R Unit
Standard 2500 Set:
500 type network
Nominal Current:
30 mA
H
AP(R)-R Unit
Standard 2500 Set:
500 type network
Nominal Current:
30 mA
Ring Signal:
56 Vac RMS @ 20 Hz
S
ECTION
9
D
IALING
S
PECIFICATIONS
9.1
Dial Pulse Address Signaling
Dial Pulse Signaling is address signaling that uses dial pulses (regular
momentary interruptions) to signal the equipment. In the Electra Elite IPK
system, the following Dial Pulse specifications are used.
H
Pulse Rate:
0 ± 0.5 pps/20 ± 1.0 pps
H
Percent Break:
60 ± 1.5%
H
Interdigit Interval: 0 pps/20 pps 770 ms. ~ 830 ms.
9.2
Dual-Tone Multifrequency (DTMF) Address Signaling
DTMF signaling is a term that describes push button or Touchtone dialing.
When a key on a telephone is pushed, two tones (one high frequency and one
low frequency) are provided. In the Electra Elite IPK system, the following
DTMF specifications are used.
H
Frequencies
Two sinusoidal frequencies are provided, one from the high frequency
group and one from the low frequency group.
H
Frequency Deviation: Less than ±1.0%
H
Signal Level:
Nominal level per frequency:
-6 ~ -4 dBm
Minimum level per frequency: Low Group: -10 dBm
High Group: -8 dBm
Maximum level per frequency: 0 dBm
H
Rise Time: Within 5 ms.
Содержание ElectraElite IPK
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