Sony VPL-DX125 Protocol Manual page 6

(1) RS-232C
"RS-232C" layer is physical portion and "Asynchronous" is the traditional protocol layer as shown in the
section 3-2.
(2) Ethernet
Sub
Command
Simplified
Command
SDCP (PJ Talk)
Because of traditional portions for Ethernet general layer, "TCP/IP", "UDP/IP", and "HTTP" are out of
scope in this document.
SDCP specifi c command is described in the section 4-3-2.
SDAP and SDCP (PJ Talk) are SONY original protocol stack, which are described in the sections 4-3-1
and 4-3-3 respectively.
2 (E)
Sub Command
Simplified Command
Asynchronous
RS-232C
Fig. 1-1 RS-232C Protocol Stack
HTTP CIP
TCP/IP
Ethernet
Fig. 1-2 Ethernet Protocol Stack
AMX Device
Discovery
PJLink SDAP
UDP/IP
DDDP
VPL-EX225