Overview
The 5G fronthaul passive WDM system launched by TRUSTNUO Communication is mainly used to solve the problem of lack of optical fiber transmission cable resources between DU-AAU in the C-RAN architecture.
The characteristics of the solution are that the DU side adopts active WDM, and the AAU side adopts passive WDM. The management and protection functions of the fronthaul bearer network are realized through the intervention of active devices.
At the same time, the simple and low-cost characteristics of remote passive are taken into account, and the network is improved. Reliability also improves the manageability and O&M of the fronthaul network.
Features
- Supports CPRI 1~10 and eCPRI (10G/25G), compatible with STM-1/4/16/64, GE/10GE/25GE and other multi-service unified bearer, transparent transmission, maximize the value of the fronthaul network
- Modular configuration, 1:6/12/18 optional, can achieve multi-directional multi-level convergence, large-scale fiber saving
- A variety of color light modules can be provided, supporting CWDM 18 waves, MWDM 12 waves, and meeting various line power budget index requirements
- Supports optical layer 1:1 protection, protection switching time is less than 50ms, improving network reliability
- Supports graphical interface network management, reconstructs wireless and transmission management domains, and realizes full monitoring of optical module and line status
- The active WDM equipment at the central office supports AC 220V and DC -48V power supply options, 1+1 power input protection, and the equipment power failure does not affect business transmission
- Remote passive WDM has outdoor deployment capabilities and flexible deployment locations
- Brand: TRUSTNUO
Parameter
| 5G Fronthaul Semi-active System |
| Product Part Number |
TN-5G-FSAS |
| C/M MUX Parameter |
CWDM |
MWDM |
| Channel number |
6 |
12 |
18 |
6 |
12 |
| Central wavelength(nm) |
1271~1371 |
1271~1491,
1271~1371,
1471~1571 |
1271~1611 |
1267.5~1314.5 |
1267.5~1374.5 |
Paired channel insertion loss (dB)
(not including protection）A |
≤3.0 |
≤4.0 |
≤4.4 |
≤3.0 |
≤4.0 |
| Central wavelength deviation(nm) |
±1.5 |
±1.0 |
| 1dB channel bandwith(nm) |
≥13 |
≥5 |
| Banding flatness(dB) |
≤0.5 |
| Adjacent channel isolation(dB) |
≥30 |
| Non-adjacent channel isolation(dB) |
≥40 |
Wavelength Heat stability(nm) |
≤0.005 |
| Insertion loss heat stability(dB) |
≤0.007 |
| Polarization-related losses(dB) |
≤0.15 |
| Return loss(dB) |
≥40 |
| Protection switch time |
<50ms |
| Working temperature(°C) |
0~+70 |
| Storage temperature(°C) |
-40 ~+85 |
A: Additional insertion loss will be introduced with the addition of the protection function 4.5dB.
| WDM module parameter |
CWDM |
MWDM |
| Transmission rate |
10G |
25G |
25G |
| Working wavelength(nm) |
1271 ~ 1611 |
1271 ~ 1371
1471 ~ 1571 |
1267.5 ~ 1374.5 |
| Distance(km) |
10 |
10 |
10 |
| Tx optical power range (dBm) |
1 ~ 7 |
1.5 ~ 7 |
2 ~ 7 |
| Rx optical power range (dBm) |
'-13.5 ~ 2(PIN)
-18.5 ~ -4(APD) |
'-13 ~ 2(PIN)
-18 ~ -4(APD) |
-13 ~ 2(PIN)
-18 ~ -4(APD) |
