FCC contact for railroad equipment

Could someone provide me with a contact within the FCC (or any other authorized agencies) that deals with FCC rules applicable to railroad devices (locomotive and wayside)? Thanks in advance, Susan H. Beard 321-435-7762 Fax 321-435-7957 susan.be...@gehh.ge.com

definition of type certification

Forgive me if this is a naive question (given my background of compliance to MIL-STDs), but I keep hearing references to type certification which seems to be relative to generic FCC, ACA, etc. type compliance testing of comm devices. I am more familiar with references to specific FCC Part 15

info on AS4295

Is the only way to obtain a copy of the Australian standard AS4295 to buy it from the ACA? Could anyone provide me with a synopsis of the requirement for radio receiver sensitivity of -113dBm for a SINAD of 12dB? Susan H. Beard 321-435-7762 Fax 321-435-7957 susan.be...@gehh.ge.com

232 vs. 422 for CM rejection and noise immunity

I am in need of some outside advice regarding 232 and 422 interfaces. Could someone please confirm which interface supports a difference of 50' between devices that could have greater than 100 volts potential difference between the grounds? Thanks in advance. Susan H. Beard 321-435-7762

STANAG 4145

Can someone point me to info on STANAG 4145? Susan H. Beard 321-435-7762 Fax 321-435-7957 susan.be...@gehh.ge.com --- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. To cancel your subscription,

EMI ruggedization of USB ports

Can anyone point me to guidelines for ruggedizing USB interfaces for harsh EMI environments (100 V/m, IEC 1000-4-4 category 3, etc.)? Thanks, Susan H. Beard 321-435-7762 Fax 321-435-7957 susan.be...@gehh.ge.com --- This message is from the IEEE EMC