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T1 Interface - Technical Specifications
| Line Rate |
T1 (1.544Mbps ± 50
bps) |
| Line Code |
B8ZS, AMI,
(selectable) |
| Available Time Slots |
1 - 24 |
| Voice Coding |
Mu Law |
| Signaling |
D4 (Robbed Bit
Signaling), E&M Wink Start |
| Framing |
D4 |
| Clock |
Internal, Loop Timed
(from E1 clock) |
| Electrical |
Meets ITU-T and ANSI
T1 recommendations |
| Jitter |
ITU-T 1.431 |
| Impedance |
100 Ohms |
| Connectors |
RJ-45 Female or Wire
Wrap (both options available) |
E3 Interface -
Technical Specifications
|
Number of E3 Interfaces |
1 |
| Bit
Rate |
34.368 Mbps |
| Bit
Rate |
Tolerance +/- 20ppm |
| Line
Code |
HDB3 |
|
Frame Structure |
as
per G.751 |
|
Connectors |
BNC,
Co-axial Un-balanced |
|
Impedance |
75
Ohms |
|
Permissible Attenuation |
12dB
@ 17184 KHz |
| Signal Level to declare
Loss of Signal condition |
-35dB (maximum) |
| Signal Level to clear Loss
of Signal condition |
-15dB (minimum) |
Power Supply (with 1+1 Redundant Power Supply)
| Input DC voltage |
-48V DC ( nominal ) |
| Range of input |
-40V to -60V DC |
| Output voltages |
+5V |
| Input Voltage
Reversal Protection |
Provided in the Card |
| Over Current
Protection |
Provided in the Card |
| Short Circuit
Protection |
Provided in the Card
(recovers automatically) |
| Under Voltage |
< 4.5V |
| Over Voltage |
5.4V to 5.6V |
| Efficiency at full
load |
>80% Typ. |
| Ripple at full load |
<5mVrms |
| Spike at full load |
<50mV |
| Power Consumption |
12W - 8 port, E1 to
T1 converter configuration
29W - 64 port, E1 to T1 converter configuration |
| Temperature |
0°C to 55°C |
| Humidity |
95% RH
(non-condensing) |
| Cooling |
Convection Cooling |
Mechanical Specifications
| Rack Mounting |
Standard 19-inch DIN
rack |
| Height |
266mm (6U high) |
| Depth |
260mm |
| Width |
477mm |
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