The OTT-1100 Trace Tool Interface is a USB to RS-485 converter for use with the CypressOTT-1000 OSDP Trace Tool software. It connects the software to the OSDP bus, allowing theOSDP session to be traced for troubleshooting, testing OSDP systems before deployment, andOSDP device development.Using the OTT-1100 activates PRO features in the OTT-1000 software. This allows users to performin-depth OSDP system diagnostics. Users can control how OSDP messages are displayed andfilter messages by type and/or device address