DS Series PBX Technical Reference And Installation Guide
105
CHARACTERISTICS
1.
Analog Extension Interface Station Loop
Resistance
Max. 3500 Ohm (Including the telephone set)
TBR21 and TBR38 compatible
2.
Extension Feed Voltages
-48 VDC, for analog extensions
-40VDC for ISDN / digital extensions
3.
Loop Start Line Impedance
600 Ohms
4.
E1 Interfaces Line Impedance
120 Ohms
5.
Loop Start Line Interface
DP and DTMF Signaling
12/16 KHz Pulse Price Signal Detection *
Polarity Reversal Detection
6.
BRI ISDN Protocol
ETSI EN 300 402
7. E1
Interface
G.703
8.
PRI ISDN Protocol
DSS1 (Q921 & Q931)- ETSI EN 300 403
9.
R2 Digital Protocol
DC Loop or Pulse type signaling
10.
E&M Line Interface
It supports Type 1, 2, 3, 4 or 5 *
Signaling *:
-
Immediate Start
-
Wink Start
-
Delayed Start
Number dialing method: DP or DTMF *
Speech channel: 2 wires or 4 wires *
11.
IP protocols
SIP on extension side, SIP / H323 on trunk side
See the RFC list
12.
Busy Hour Traffic
3600 call / hour per rack
13.
Number Of Telephones That Can Ring
Simultaneously
32 analog telephone / rack
14.
DP Dialing Make-Break Ratio
33 msec. make / 67 msec. break *
15.
Wait Time between Two Consecutive
Dials for Auto-dialer
720
±
20 msec., for DP *
175
±
5 msec., for DTMF *
16.
Cross-Talk Attenuation
Better than 70 dB
17.
Maximum Number of Telephone Sets per
Extension
2 telephone sets
18.
Ringer Voltage
67 Vrms, 25-30 Hz
19.
Minimum Detectable Ringer Level
35 Vrms, 25-30 Hz
20.
Environmental Conditions
+5 C
0
/ +40 C
0
temperature, 20% - 80% Humidity
21.
Hook Flash Duration
100-600 msec. *
22.
Dimensions
DS200:70 cm x 32 cm x 28 cm (for one rack)
78 cm x 143 cm x 60 cm (for 3-rack cabinet)
78 cm x 175 cm x 60 cm (for 4-rack cabinet)
DS200S: 56.4 cm x 32 cm x 28 cm
DS200M: 42.5 cm x 27 cm x 31 cm
DS200L: 78 cm x 285 cm x 60 cm (for 6-rack cabinet)
23. Weight
DS200:
20 – 31 Kg (per rack)
115 – 175 Kg (per 3 racks cabinet)
DS200S: ~16 kg (full rack)
DS200M: ~10 kg (full rack)
24.
Maintenance
-Embedded Self Test / Solution
-Local / Remote Programming (telephone, modem , IP)
-Programming through PC by the IDEA program
* These parameters can be changed by programming.
Summary of Contents for DS200
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