Introduction; Serial Control; Interface Specifications; Connection To A Computer - Pioneer BDP-LX91 User Manual

1 Introduction

This unit is a BD player allowing playback of BDs, DVDs and CDs.
In addition to the basic operations on the main unit and using the remote control, the player is also
equipped with an RS-232C-compatible serial control interface allowing connection to a computer.
This manual explains procedures and cautions related to controlling the player using this interface. For
instructions on using the buttons on the remote control and front panel, refer to the operating
instructions included with the player.

2 Serial control

2.1 Interface Specifications

2.1.1 Signal level
RS-232C level
2.1.2 Data format
Data length
Stop bit
Parity
2.1.3 Signal transfer rate (baud rate)
The baud rate is fixed to 115200 (bps).

2.2 Connection to a Computer

The computer and player are connected with three wires, as shown on the diagram below.
The player accepts commands whenever the power is turned on.
Thus, when using with a standard RS-232C port on the computer, there is no need to connect any
: 8 bits
: 1 bit
: None
TxD
Computer RxD
GND
4
RxD
TxD Player
GND
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