23 AppendixATS levels and attenuation specifications354Vanderbilt Installation & Configuration Manual A6V1027695901.05.201623.19 ATS levels and attenuation specificationsATS (Alarm Transmission System) LevelsThe following table lists the ATS levels required for the panel when communicatingover: GSM to Alarm Reporting Centre (ARC) PSTN to Alarm Reporting Centre (ARC) Ethernet to SPC Comm receiver software GPRS to SPC Comm receiver softwareGSM ARC PSTN ARC Ethernet GPRSATS Level ATS 2 ATS 2 ATS 6 ATS 5Attenuation of PSTNFor a PSTN dialer, a CW1308 Internal Telecom or equivalent cable should be usedto connect the modem to the phone line. The cable length should be between 0.5 –100m.Attenuation of EthernetFor Ethernet, a Cat 5 cable should be used with its length between 0.5 – 100m.Attenuation of GSMThe field strength of the GSM signal needs to at least -95dB. Below this level themodem will flag a low signal fault to the panel. This is handled in the same way asother faults on the system.Monitoring and watchdog of PSTN (SPCN110) and GSM (SPCN310)A failure of the interface between the PSTN modem and the panel will be detectedafter 30 seconds, after which an ATS fault will occur.A failure of the interface between the GSM modem and the panel will be detectedafter 30 seconds, after which an ATS fault will occur.23.20 Supported card readers and card formatsThe following card readers and formats are supported on the SPC system:Reader Card FormatHD500-EMPR500-EMSP500-EMPM500-EMIB41-EMIB42-EMIB44-EMIB45-EMABR5100-BLABR5100-TGABR5100-PRAR6181-RXAR6182-RXIB41-EMIB42-EMIB44-EMIB45-EMABR5100-BLABR5100-TG