Dolby Laboratories S01/13621 manual Chapter Serial Communications, 6.1RS-232Ports

Dolby Installation Guidelines

Chapter 6

Serial Communications

These products all feature RS-485 and/or RS-232 connections. These can be used to upgrade the unit software or to control the operation of the unit. The electrical and mechanical specifications for these ports are as SMPTE 207M. The pin assignments for these connections are shown in the tables below. For information about the remote protocol, contact Dolby Laboratories.

6.1RS-232 Ports

•DP562 Serial I/O (female)

•DP572 Auxiliary Data (male)

Table 6-1Pin Connections for 9-Pin RS-232 Ports (DP562 and DP572)

Pin	Connection	Comment
1	DCD	Direct connection to DTR, DSR, and CTS
2	RX	Asynchronous data out
3	TX	Asynchronous data in
4	DTR	Direct connection to DCD, DSR, and CTS
5	GND	Signal ground
6	DSR	Direct connection to DCD, DTR, and CTS
7	NC
8	CTS	Direct connection to DCD, DTR, and DSR
9	NC

6-1