ZTE ZXSDR B8300 PM9
Brand Name: ZTE
Product Name: B8300 PM9
Part Number: PM9
Description: ZTE ZXSDR B8300 PM9 and B8200 Power Module (PM) DC power unit
Description
Description
ZTE ZXSDR B8300 PM9
The ZTE ZXSDR B8300 PM9 is a power module board for the ZXSDR B8300 and B8200 Baseband Unit (BBU) chassis, designed to convert the input DC power to the required internal voltages for the system’s operation.
Description of ZTE ZXSDR B8300 PM9
The ZTE ZXSDR B8300 PM9 module is a half-height, hot-swappable power supply unit that fits into dedicated power slots within the BBU chassis. Its primary function is to accept the standard telecom nominal -48 VDC input power and regulate and distribute essential DC voltages (typically +12 VDC and +3.3 VDC) to all active boards via the backplane. It supports power redundancy configurations, allowing network operators to install two PM modules in an active/standby or load-sharing setup to ensure system reliability and continuous operation. It includes protection mechanisms against various electrical faults such as over-voltage and short circuits.
Specification of ZTE ZXSDR B8300 PM9
| Feature | Specification |
|---|---|
| Product Type | Power Module (PM) |
| Model Name | PM9 |
| Part Number (MPN) | PM9 is the primary commercial identifier; specific numerical PNs are internal. |
| Compatibility | ZXSDR B8300, ZXSDR B8200 BBU chassis |
| Input Power | -48 VDC (nominal range is typically -36 VDC to -57 VDC) |
| Output Power | Provides regulated +12 VDC (load power) and +3.3 VDC (management power) to chassis backplane |
| Operating Mode | Supports active/standby or load-sharing redundancy |
| Protection | Over-voltage, under-voltage, over-current, and short-circuit protection |
| Dimensions | Half-height module designed to fit into BBU power slots |
| Function | Power conversion and distribution for all boards in the BBU |
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Description
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