First line: Document 422LP25R4300 Port-Powered RS-232 RS-422 Converter With DB-25 Connectors Model 422LP25R This RS-232 RS-422 converter converts unbalanced RS-232 signals balanced RS422 signals. power used this converter derived from transmit data line (pin handshake control lines (pins 20). converter derive pAbstract: .. Port-Powered RS-232 RS-232 to RS-422 RS-422 Converter CE CE CE CE With DB-25 DB-25 Connectors Model 422LP25R. This RS-232 RS-232 to RS-422 RS-422 converter converts unbalanced RS-232 RS-232 signals to balanced RS-422 RS-422 signals. The power .. Tags: rs-422422LP25Rdatasheet abstract..