Karel MS26S, Инструкция по установке и обслуживанию, Страница: 30 / 62

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CHARACTERISTICS
1.
Extension Interface Station Loop: Max 1200 Ohms including
the Telephone Set
2. Max CO Line Loop Resistance 2.2 Kohms
3. Line Interface Loop Start With DP and DTMF Signalling
12/16 KHz Metering Pulse Detection
Polarity Reversal Detection
4. Extension Feed Voltage -24 VDC
5. Make-Break Ratio 33 msec make / 67 msec break
6. Interdigit Pause For Automatic Dialer
720
±
20 msec for DP
175
±
5 msec for DTMF
7. Cross-Talk Attenuation Better than 70 dB
8. Maximum Number of Telephone Sets
Per Extension 2 telephone sets
9. Ring Voltage Generated 64 Vrms, 25-30 Hz
10. Minimum Ring Detected 30 Vrms, 25-30 Hz.
11. Environmental Requirements 0 C
0
- +45 C
0
, 20% - 80% Humidity
12. Hook-flash Duration Range 100 - 600 msec
13. Dimensions 28 cm x 5 cm (h) x 25 cm
14. Weight 0.8 kg
15. Maintenance Built-in Self-Diagnosis
On Site / Remote Programming
PC Console
TONE CADENCES & FREQUENCIES
1.
Dial tone (500 Hz.) 150 msec on, 330 msec off, 150 msec on, 330 msec
off, 150 msec on, 1100 msec off or continuous.
1. Ring-back tone (500 Hz.) 1300 msec on, 3000 msec off
2. Busy tone (500 Hz.) 660 msec on, 400 msec off,
3. Special dial tone (500 Hz.) 790 msec on, 1800 msec off
4. Overflow tone (500 Hz.) 260 msec on, 260 msec off, 260 msec on, 260 msec
off, 260 msec on, 260 msec off, 660 msec on, 260
msec off
5. Warning tone (500 Hz.) 40 msec on, 1000 msec off
RING CADENCES
1.
External Call 1500 msec on, 3000 msec off
2. Internal Call 400 msec on, 500 msec off, 400 msec on, 3000 msec off
3. Reminder Call 1500 msec on, 770 msec off
4. Call Back Call 400 msec on, 500 msec off, 400 msec on, 3000 msec off