CSU520Y is the front-end monitoring module of the DC power system and responsible for tracing and managing the operation of the DC power system. Apply to ZTE ZXDU18 B200, ZXDU38 B400 and ZXDU48 B600 DC power system.
Support 1xsingal port RS232 TEMP: RS232 serial port and temperature detection port.
Support 1xsingal port OUT RLU: Output dry contacts.