Chapter 6 serial communications, 1 rs-232 ports – Dolby Laboratories S01/13621 User Manual
Page 37
Dolby Installation Guidelines
6-1
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.
6.1 RS-232
Ports
•
DP562 Serial I/O (female)
•
DP572 Auxiliary Data (male)
Table 6-1 Pin 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