Power Supply The Total Access 900e Series products have a 90 to 125 VAC power supply with an IEC connector. The appropriate three-prong cable is included in the shipment. Battery Backup Connection An optional battery backup system is available for the Total Access 900e Series (P/N 1175044L1 or L2). The connection port is labeled BATT. Refer to the documentation available for your specific battery backup unit for more information on this connection, or refer to Battery Backup Unit on page 25 for a more details. CRAFT Interface The CRAFT interface is an EIA-232 serial port (DCE) that provides for local management and configuration (via a DB-9 female connector). Table A-5 on page 31 shows the CRAFT port pinouts.