ZXMW NR8250 Digital Microwave Radio Transmission System
ZTE ZXMW NR8250 is a next generation digital microwave radio system developed by ZTE Corporation. It provides a nodal microwave radio solution with hybrid and native transmission for high capacity transmission and aggregation node.
The NR8250 adopts split-mount architecture, including indoor unit (IDU) and outdoor unit (ODU)
The NR8250 ODU supports 4 x E1 ~ 2 x STM-1 (TDM) or 10 ~ 400 Mbps (Ethernet) capacity transmission at the 6 ~ 38 GHz frequency band. The NR8250 ODU has two types based on frequency band, namely 6 ~ 11GHz ODU and 15 ~ 38GHz ODU. It can be installed directly on the antenna or separately from the antenna.
The NR8250 IDU comprises of a casing and series of boards. It is 19 inches in width and 2U in height. It can be mounted on a standard 19-inch portal frame, on the wall, or the desktop.
NR8250 IDU comprises the following boards:
Radio Core Unit (RCU)
Radio Modem Unit (RMU)
Radio Traffic Unit (RTU)
Power Module (PM) and ODU Power Unit (RPU)
Radio Fan (RFA)
ZTE ZXMW NR8250 IDU Board Description
| Board Type | Board Name | Board Description | Available Slots |
| RCU | RCUA | Radio Core Unit A | Slot 1 |
| RMU | RMUB | Radio Modem Unit B | Slots 3–8 |
| RTU | RTUA | Radio Traffic Unit A (16E1) | Slots 2–8 |
| RTUB | Radio Traffic Unit B (8×E1+1×STM- 1+1×STM1/4) | Slot s 2–8 | |
| RTUMO | Radio Traffic Unit Module Optical (2 x GbE(O)+4 x FE) | Slots 2–8 | |
| RTUME | Radio Traffic Unit Module Electrical (2 x GbE(E)+4 x FE) | slot 2–8 | |
| PM | PM | Power Module (for IDU) | slot 10–11 |
| RPU | RPUA | Radio Power Unit A (for ODU) | slot 12 |
| RFA | RFAA | Radio Fan A | slot 9 |
