LCD AVR 8 5-15 OUTLETS 5-15P PLUG 120V 15A RT 3YR. The OR1500LCDRT2U has a SNMP slot that will accept the RMCARD202 and RMCARD 203. This will greatly improve the communications of this UPS by providing the following RMCARD202/203 features: Email and SMS Text Notifications Updateable Firmware Latest Network Protocols and Environmental Sensor Option.