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PRI ISDN (Euro ISDN) Multiplexer shall interface to the E1,
PRI ISDN port of any Switch / PBX using PRI ISDN (Euro ISDN) signalling as per ITU-T Rec.
Q.931 to inter-connect up to 30, analog interfaces to the E1, PRI ISDN port.
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Digital Interface 2048 Kbps |
| Number of E1 Interfaces |
1, (User
or Network Modes - Configurable) |
| Conformity
(Electrical) |
G. 703 |
| Frame Structure |
As per ITU-T (CCITT) G.704 |
| Signaling |
As per ITU-T Rec. Q.931 to
inter-connect up to 30, analog interfaces to the E1, PRI ISDN port. |
| PCM Sampling Rate |
8000 samples / sec. |
| Encoding Law |
A law as per ITU (CCITT) G.823 |
| Bit Rate |
2048 Kbps ± 50 ppm |
| Code |
HDB3 |
| Nominal Impedance |
120 W Balanced |
Peak Voltage of a mark
120 W Balanced
interface
75 W Unbalanced
interface |
3.0 V ± 0.3 V
2.37 V ± 0.237 V |
Peak Voltage of a space
120 W Balanced
interface |
0 V ± 0.3 V |
| Nominal Pulse Width |
244 ns |
| Pulse Mask |
As per ITU (CCITT) Rec. G.703 |
| Output Jitter |
< 0.05 UI (in the frequency
range of 20Hz to 100 KHz |
| Permissible Attenuation |
6 dB at 1 MHz |
Return Loss at:
51.2 KHz to 102.4 KHz
102.4 KHz to 2048KHz
2048KHz to 3072 KHz |
>12dB
>18dB
>14dB |
| Jitter Tolerance |
As per ITU (CCITT) G.823 |
| Loss and recovery of frame
alignment : As per clause 3 of ITU (CCITT) G.732 |
| Loss and recovery of multi-frame
alignment : As per clause 5.2 of ITU (CCITT) G.732 |
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2 Wire,
Analog Interface - FXS |
| Number of
Interfaces per card |
2 |
| Interface
Type(s) |
FXS |
| Maximum Number of Channels |
30 |
| Transmission performance |
Fully compliant to ITU (CCITT)
G.712 specifications |
| Line Impedance |
600 W |
| Voice Channel Frequency |
300Hz - 3400Hz |
| Insertion Loss |
-2dB Nominal
(User adjustable range of -2dB to -7dB) |
| Idle Channel Noise |
£ -65dB |
| Return Loss |
300Hz - 600Hz - ³ 12dB
600Hz - 3400Hz - ³
15dB |
| Longitudinal Balance |
³ 46dB between 300Hz to 3400Hz |
| Ring frequency detection |
20 Hz / 25 Hz
(User Selectable) |
| Subscriber Loop
Current (FXS) |
³
23 mA into a subscriber loop of 1000 ohms |
| Dial Tone |
400 Hz
modulated by 25 Hz |
| Dial Tone
Timeout |
12 seconds |
| Dialing |
DTMF |
| Overload Level |
+3.14dBm ± 0.5dBm |
| Data Transmission |
Supports V.34
modems, 33.6Kbps (download data transmission rate) |
| Caller ID |
DTMF (provides
Caller ID to all DTMF based decoders) |
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Clock Synchronization |
| Synchronization Sources |
Internal Clock, External Clock or
timing derived from the E1, HDB3 link (Loop - Timed) |
| External Clock Input |
As per ITU (CCITT) Rec. G.703 |
| Impedance of External Clock Input
Port |
120 W Balanced |
| Default Option |
Internal Clock |
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Power Supply |
| Input DC voltage |
-48V DC ( nominal ) |
| Range of input |
-40V to -60V DC |
| Input Voltage Reversal Protection |
Provided |
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Environmental |
| Cooling |
Natural, Convection cooling |
| Temperature |
0°C to 50°C, Ambient |
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Mechanical
Specifications |
| Rack Mounting |
Standard 19 inch DIN rack |
| Height |
3U (133.33 mm) |
| Depth |
292 mm |
| Width |
482 mm |
| Weight |
8.500 Kgs. |
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Ordering Information |
| Core System (Common Equipment) |
Choice of Interface Cards |
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Control Card |
FXS (Remote /
Subscriber) |
| NMS
Card |
| Ring
Generator |
| Power Supply Card |
| Connectorized
Backplane |
| 19 inch Shelf |
Power Consumption
Power Consumption
24 Watts (Full Load)
Related Links
PRI ISDN Multiplexer
PRI ISDN Multiplexer - Product Brochure
(PDF)
E1, WAN Access Multiplexer
E1 Voice & Data Multiplexer
E3-2/34Mbps Multiplexer
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Technical
Specifications are subject to change without notice.
All other trademarks are the ownership of their respective owners. |
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