►E1 interface comply with G.703
►The local device
can view the remote device working condition
►Provide command the
remote interface Loop Back, ease line maintenance
►The transmission
distance is up to 2-120Km
without interruption
Overview
This device provides 1-4 Channel E1 interface, 1 Channel PCM digital hotline phone (optional). It is very flexible. It has alarm function. The work is reliable, stable, and low power consumption, high integration, and small sizeFeatures
►Based on self-copyright ICApplication
Technical Indexes
Parameter |
Specification |
Fiber |
|
Multi-mode Fiber |
|
Fiber Type |
50/125um, 62.5/125um |
Maximum transmission distance |
5Km@ 62.5 / 125um single mode fiber, attenuation (3dbm/km)Wave Length: 820nm |
Transmitting power |
-12dBm (Min) ~-9dBm (Max) |
Receiver sensitivity |
-28dBm (Min) |
Link budget |
16dBm |
Single-mode Fiber |
|
Fiber Type |
8/125um, 9/125um |
Maximum transmission distance |
40Km |
Transmission distance |
40Km@ 9 / 125um single mode fiber, attenuation (0.35dbm/km) |
Wave Length |
1310nm |
Transmitting power |
-9dBm (Min) ~-8dBm (Max) |
Receiver sensitivity |
-27dBm (Min) |
Link budget |
18dBm |
E1 Interface |
|
Interface Standard |
comply with protocol G.703 |
Interface Rate |
n*64Kbps±50ppm |
Interface Code |
HDB3 |
E1 Impedance: |
75Ω (unbalance), 120Ω (balance) |
Jitter tolerance |
In accord with protocol G.742 and G.823 |
Allowed Attenuation |
0~6dBm |
Power |
|
Power supply |
AC180V ~ 260V;DC–48V;DC +24V |
Power consumption |
≤10W |
Dimension |
|
Product size |
216X140X31mm(WXDXH) |
Simple packaging |
274X193X84mm(WXDXH) |
Piece weight |
1.25KG |
Working environment |
|
Working temperature |
-10°C~ 50°C |
Working Humidity |
5%~95 % (no condensation) |
Storage temperature |
-40°C~ 80°C |
Storage Humidity |
5%~95 % (no condensation) |
Model |
Description |
LNK-PDH-E4D |
PDH Multiplexer, 1 Fiber port, 4E1 (75ohm or 120ohm), Single Mode, Single Fiber, 20KM, FC, Desktype, DC-48V or AC220V (Single Power Supply) |