Small in size,
compact in shape,
E1&Optical interface freely switch (E1 and PDH optical interface in one platform E1 and SDH optical interface in one platform)
Technical Specifications:
|
Optical port parameters |
Fibre rate |
150Mb+ppm |
|
Wave lenghth |
1310nm | |
|
Output power |
-12~-11dbm | |
|
2M Interface |
Line Code |
HDB3 |
|
Bit rate and tolerance |
2048bps+50ppm | |
|
Impedance |
75Ohm,unbalanced or 120Ohm,balanced | |
|
Frame structure |
PCM30/32 | |
|
Data Interface |
64Kbps bi-directional data interface |
in accordance with I TU –T G.703 suggestion |
|
V.24 |
asynch≤9.6Kb/s synch64Kb/s | |
|
V.35 |
N*64K(N≤30) | |
|
Audio features
|
10/100Base T |
full compliance with IEEE802.3 |
|
Audio range |
300~3400HZ | |
|
Audio transmission mode |
second/forth-wire | |
|
Compression ratio |
I TU G.711 A Law | |
|
Circle current |
25mA/road | |
|
Power Supply |
DC-48v(-36v~-72v) or 220v(180v~240v) | |
|
Dimension |
L*H*D:482.6(19in.)*266mm(6U)*280mm | |