☆ support multiple communication protocols and receive DTMF4 +2, contact ID and so on  a variety of communication protocols at the same time

☆ through the standard RS232 serial port connected with the Center PC

☆ its CPU provide 5000 alarm buffer data in favor of SR-110 can receive a temporary alarm information effectively when the background software is interrupted or under maintenance,. After the software in the background is restored, then the temporary data will be transmitted to the background software

☆ It can retain 5000 alarm records

☆ receiving all the alarm information from the alarm host through telephone lines (such as: removing deployment, deployment, alarm), and reported to central management software to show, disposal            

☆ Anti-lightning function, the internal pulse has anti-shock protection circuit