Glossary Of Terms; Protocol Stack Structure - Sony VPL-VW95ES Protocol Manual

1. Overview
1-1. Introduction
This projector is remotely controllable over RS-232C. It is useful for setting up the projector away from
the operator.
This protocol manual describes the specifi cations such as packet format and procedures for controlling the
projector.
In the following sections below, the term "CONTROLLER" is used as a device which controls the projec-
tor. CONTROLLER is a PC or other specifi c device that has the RS-232C terminal.
The command is only RS-232C.

1-2. Glossary of Terms

Terms Abbreviated
_
CONTROLLER
_
PROJECTOR

1-3. Protocol Stack Structure

The protocol stack structure diagram is shown below. The stack is for RS-232C.
Layer Name Description
Sub Command Value is assigned for projector's functions. Refer to the section 2-1 for detail description.
Simplifi ed Command Packet format for sending/receiving "Sub Command". Refer to the section 3-6-1 for detail
description.
(1) RS-232C
"RS-232C" layer is physical layer and "Asynchronous" is the traditional protocol layer as shown in the
section 3-2.
VPL-VW95ES
Table 1-1 Glossary of Terms
Description
Command initiator such as PCs.
Front projector (device).
Table 1-2 Common Portions in Protocol Stack
Sub Command
Simplified Command
Asynchronous
RS-232C
Fig. 1-1 RS-232C Protocol Stack
1 (E)