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HUAWEI OptiX RTN 900 Series Network Application
The OptiX RTN 900 is a new generation TDM/Hybrid/Packet integrated microwave transmission system developed by Huawei. It provides a seamless microwave transmission solution for mobile communication network or private networks.
OptiX RTN 900 Product Family
There are four types of OptiX RTN 900 V100R005C00 products: OptiX RTN 905, OptiX RTN 910, OptiX RTN 950, and OptiX RTN 980. Users can choose the product best suited for their site.
· The IDU of the OptiX RTN 905 is 1U high, integrated and case-shaped. The OptiX RTN 905 can provide two types of IDU: IDU 905 1A with one IF port and IDU 905 2A with two IF ports.
· The IDU of the OptiX RTN 910 is 1U high and supports one or two IF boards.
· The IDU of the OptiX RTN 950 is 2U high and supports one to six IF boards.
· The IDU of the OptiX RTN 980 is 5U high and supports one to fourteen IF boards.
The OptiX RTN 900 series provide a variety of service interfaces and can be installed easily and configured flexibly. The OptiX RTN 900 series provide a solution that can integrate TDM microwave, Hybrid microwave, and Packet microwave technologies according to the networking scheme for the sites, achieving smooth upgrade from TDM microwave to Hybrid microwave, and from Hybrid microwave to Packet microwave. This solution meets the transmission requirements of 2G, 3G, and LTE services while also allowing for future network evolution and convergence.
The OptiX RTN 905 is a product in the OptiX RTN 900 radio transmission system series.
1. Network Application
The OptiX RTN 900 is a new generation TDM/Hybrid/Packet integrated microwave transmission system developed by Huawei. It provides a seamless microwave transmission solution for mobile communication network or private networks.
OptiX RTN 900 Product Family
The OptiX RTN 900 series provide a variety of service interfaces and can be installed easily and configured flexibly. The OptiX RTN 900 series provide a solution that can integrate TDM microwave, Hybrid microwave, and Packet microwave technologies according to the networking scheme for the sites, achieving smooth upgrade from TDM microwave to Hybrid microwave, and from Hybrid microwave to Packet microwave. This solution meets the transmission requirements of 2G, 3G, and LTE services while also allowing for future network evolution and convergence.
There are five types of OptiX RTN 900 V100R005C01 products: OptiX RTN 905, OptiX RTN 910, OptiX RTN 950, OptiX RTN 950A, and OptiX RTN 980. Users can choose the product best suited for their site.
OptiX RTN 905
The OptiX RTN 905 is access-layer microwave equipment. It can independently construct a network or jointly construct a network with the OptiX RTN 910/950/950A/980. Figure 1-1 shows the microwave transmission solution provided by the OptiX RTN 905.
The OptiX RTN 905 adopts a split structure. The system consists of the IDU 905 and the ODU. Each ODU is connected to the IDU 905 through an IF cable.
IDU 905
The IDU 905 is the indoor unit for an OptiX RTN 905 system. It receives and multiplexes services, performs service processing and IF processing, and provides the system control and communications function.
The OptiX RTN 905 V100R006C00 supports three types of IDUs: IDU 905 1A, IDU 905 2A, and IDU 905 1C, and therefore can form the OptiX RTN 905 1A , 2A, and 1C systems.. The three IDU types are described in Table 1-2.
| Item | Description | ||
|---|---|---|---|
| Type | IDU 905 1A | IDU 905 2A | IDU 905 1C |
| Chassis height | 1U | ||
| Extended sub card | Not supported | An extended sub-slot is reserved. | |
| Service interface |
|
| |
| Radio type | Integrated IP radio (E1 + Ethernet) |
| |
| Highest modulation | 1024QAM | ||
| Number of IF/RF channels | 1 | 2 | 1 |
| RF configuration mode | 1+0 |
|
|
ODU
The ODU is the outdoor unit for the OptiX RTN 900. It converts frequencies and amplifies signals.
The OptiX RTN 900 product series can use the RTN 600 ODU and RTN XMC ODU, covering the entire frequency band from 6 GHz to 42 GHz.
Unlike the other frequency bands that use 14 MHz, 28 MHz, or 56 MHz channel spacing, the 18 GHz frequency band uses 13.75 MHz, 27.5 MHz, or 55 MHz channel spacing.
| Item | Description | |
|---|---|---|
| High-Power ODU | Low Capacity ODU | |
| ODU type | XMC-2 | XMC-1 |
| Frequency band | 6/7/8/11/13/15/18/23/26/28/32/38/42 GHz | 7/8/11/13/15/18/23 GHz |
| Microwave modulation scheme | QPSK/16QAM/32QAM/64QAM/128QAM/256QAM/512QAM/1024QAM (6/11/13/15/18/23/26/28/32/38/42 GHz) QPSK/16QAM/32QAM/64QAM/128QAM/256QAM (7/8 GHz) | QPSK/16QAM |
| Channel spacing | 7/14/28/40/50/56 MHz | 3.5/7/14/28 MHz |
| Item | Description | |
|---|---|---|
| High-Power ODU | Standard Power ODU | |
| ODU type | HP, HPA | SP, SPA |
| Frequency band | 6/7/8/10/10.5/11/13/15/18/23/26/28/32/38 GHz (HP) 6/7/8/11/13/15/18/23 GHz (HPA) | 7/8/11/13/15/18/23/26/38 GHz (SP ODU) 6/7/8/11/13/15/18/23 GHz (SPA ODU) |
| Microwave modulation scheme | QPSK/16QAM/32QAM/64QAM/128QAM/256QAM | QPSK/16QAM/32QAM/64QAM/128QAM/256QAM |
| Channel spacing | 7/14/28/40/56 MHz (6/7/8/10/11/13/15/18/23/26/28/32/38 GHz) 7/14/28 MHz (10.5 GHz) | 3.5/7/14/28 MHz |
There are two methods for mounting the ODU and the antenna: direct mounting and separate mounting.
The direct mounting method is generally adopted when a small- or medium-diameter and single-polarized antenna is used. In this situation, if one ODU is configured for one antenna, the ODU is directly mounted at the back of the antenna. If two ODUs are configured for one antenna, an RF signal combiner/splitter (hence referred to as a hybrid coupler) must be mounted to connect the ODUs to the antenna. Figure 1-5 illustrates the direct mounting method.
The direct mounting method can also be adopted when a small- or medium-diameter and dual-polarized antenna is used. Two ODUs are mounted onto an antenna using an orthomode transducer (OMT). The method for installing an OMT is similar to that for installing a hybrid coupler.
The ODU is the outdoor unit for the OptiX RTN 900. It converts frequencies and amplifies signals.
The OptiX RTN 900 product series can use the RTN 600 ODU and RTN XMC ODU, covering the entire frequency band from 6 GHz to 42 GHz.
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