SIS SS-ETS 300 118-1991 Attachments to the Public Switched Tele- phone Network (PSTN) Category II attachment requirements for 1200 bits per second half duplex and 1200 75 bits pered .pdf

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SIS SS-ETS 300 118-1991 Attachments to the Public Switched Tele- phone Network (PSTN) Category II attachment requirements for 1200 bits per second half duplex and 1200 75 bits pered .pdf,SISSSETS3001181991ATTACHMENTSTOTHEPUBLICSWITCHEDTELEPHONENETWORKPSTNCATEGORYIIATTACHMENTREQUIREMENTSFOR1200BITSPERSECONDHALFDUPLEXAND120075BITSPEREDPDF