Pioneer DVD-V5000 RS-232C - Manual (Page 10)

DVD-V5000 DVD Player
RS-232 Command Protocol
9-pin D-Sub connector
Pin # Terminal Input/Output Function
1 NC
2 TxD Output send data
3 RxD Input receive data
4 DTR Output enable data receiving
5 GND -- ground
6 DSR Input data set ready
7 RTS Output request to send
8 CTS Input clear to send
9 NC
2.3 Computer Control Functions
2.3.1 Serial Control (see Chapters 3, 4, 5 and 6)
The player and computer are based upon the RS-232C protocol and are
connected through the TxD, RxD, DTR and GND terminals.
2.3.2 Extend Terminal Control (see Chapter 9)
Control the player with the Extend Terminal Switches (SW#).
Even if the Key Lock is set (active), the extend terminal control is
available.
2.3.3 External Power Control
Control the player’s power with the Power Pin within the Interface
Connector.
If the player detects a high signal throughput (100m/sec or more) during
the Standby mode, the player powers ON. If the player detects the same
signal during the Power ON mode, the player powers OFF and switches
to the Standby mode.
The specifications for the Power pin are as follows:
Maximum Input Voltage Less Than 12V
High Level Signal More Than 4.5V
Low Level Signal Less Than 0.5V
Standby mode more than
100 msec
Power ON
- 3