The ZTE ZXDU58 B900 DC Power System provides -48 V power for communications equipment with high efficiency and reliability.
The ZXDU58 B900 DC Power System is a 3U, 19‑inch cabinet‑mountable solution that supplies -48 V DC power to communications equipment. It supports a wide AC input voltage range (90 V‑264 V) and can be configured with up to three ZXD030 S480 rectifiers delivering a maximum output current of 90 A.
The system includes a power distribution unit, three hot‑pluggable rectifiers, a centralized supervision unit (CSU), and a signal interface board (SIB) with RS232/RS485 networking. It meets EMC, safety, CE, RoHS and FCC standards and offers a mean time between failures of at least 2.2 × 10⁵ h.