Karel MS48 - Page 35

Karel MS48 Installation & Maintenance Guide
Edition 3.2
32
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 Line
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
to +45 C
0
, 20% - 80% Humidity
12. Hook-Flash Duration Range 100 - 600 msec
13. Dimensions 38 cm x 11 cm (h) x 43 cm
14. Weight 8.25 kg
15. Maintenance Built-in Self-Diagnosis
On Site / Remote Programming
PC Console
TONE CADENCES & FREQUENCIES
1. Dial tone (500 Hz.) Continuous
2. Ring-back tone (500 Hz.) 1500 msec on, 3500 msec off
3. Busy tone (500 Hz.) 500 msec on, 500 msec off
4. DISA dial tone (500 Hz.) 300 msec on, 300 msec off, 300 msec on, 300 msec
off, 300 msec on, 2000 msec off
5. Message waiting dial tone
(500 Hz.)
300 msec on, 300 msec off, 300 msec on, 300 msec
off, 300 msec on, 2000 msec off
6. Error tone (500 Hz.) 300 msec on, 300 msec off, 300 msec on, 300 msec
off, 300 msec on, 300 msec off, 700 msec on, 300
msec off
7. Reminder dial tone 1000 msec 500 Hz, 1000 msec 250 Hz
8. Special dial tone (250 Hz.) Continuous
9. Overflow tone (2000 Hz.) 700 msec on, 200 msec off
10. Warning tone (250 Hz) 20 msec on, 1500 msec off
RING CADENCES
1. External Call, Call Back Call,
Reminder Call, Wake Up Call
1500 msec on, 3500 msec off
2. Internal Call 400 msec on, 350 msec off, 400 msec on, 3500 msec off
3. Doorphone Call 800 msec on, 350 msec off, 800 msec on, 3500 msec off
DTMF TONES:
High frequency group (- 7 dBm)
1209 Hz 1336 Hz 1477 Hz
Low 697 Hz
1 2 3
Frequency 770 Hz
4 5 6
Group 852 Hz
7 8 9
(- 9 dBm) 941 Hz
* 0 #
Nominal frequencies of MS48 may deviate
±
2.5 % from the values above.