Richard J. wrote:

EDRs?

Emergency door releases.

V and M? G and T? Tangaras?

V-set, double-deck interurban EMUs

http://www.cityrail.info/aboutus/trains/v_control.jsp
http://www.cityrail.info/aboutus/trains/v_trailer.jsp

M-set, "Millenium" double-deck suburban EMUs

http://www.cityrail.info/aboutus/trains/m_control.jsp
http://www.cityrail.info/aboutus/trains/m_motor.jsp

T-set, Tangara suburban EMUs

http://www.cityrail.info/aboutus/trains/t_control.jsp
http://www.cityrail.info/aboutus/trains/t_trailer.jsp

G-set, Tangara double-deck interurban EMUs

http://www.cityrail.info/aboutus/trains/g_control.jsp
http://www.cityrail.info/aboutus/trains/g_trailer.jsp

All the best,

Mark.