|
E1 Interface - Technical Specifications
| Line Rate |
E1 (2.048Mbps ± 50
bps) |
| Line Code |
HDB3 |
| Available Time Slots |
1 - 31 Data or 1 -
30 Voice |
| Voice Coding |
A Law |
| Signaling |
ITU-T, Q.421 and
Q.422 |
| Framing |
G.704 |
| Clock |
Internal, Loop timed |
| Electrical |
G.703 |
| Jitter |
G.823 |
| Impedance |
120 Ohms |
| Connectors |
RJ-45 Female or Wire
Wrap (both options available) |
DS3
Interface
| Number
of DS3 Interfaces |
1 |
| Bit Rate |
44.736
Mbps |
| Bit Rate
Tolerance |
+/-
20ppm |
| Line
Code |
B3ZS |
|
Framing |
* Meets ANSI T1.404
* M13 or C-bit parity |
|
Pulse
|
Shape Meets ANSI T1.102-1993
and
Bellcore GR-499-CORE |
| Signal Level to clear Loss
of Signal condition |
= 20mV |
| Signal Level to clear Loss
of Signal condition |
=90mV
|
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
DS3 converter configuration
30W - 64 port, E1 to DS3 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 |
|