6.3 Dolby CP950 and CP950A serial port pinouts
The Dolby CP950 and CP950A have one RS‐232 serial port. It uses a D‐subminiature DE‐9 data terminal
equipment (DTE) male connector. Use a crossover cable to communicate with another DTE device, such as a
PC.
The equipment connected to this port should have its serial port set to 9,600 baud, no parity, one stop bit.
Table 8: Dolby CP950 and CP950A serial port pinouts
Pin Description
1 Data Carrier Detect (DCD)
2 Received Exchange Data (RXD)
3 Transmit Exchange Data (TXD)
4 Data Terminal Ready (DTR)
5 Ground
6 Data Set Ready (DSR)
7 Request to Send (RTS)
8 Clear to Send (CTS)
9 Ring Indicator (RI)
6.4 Dolby CP950 and CP950A RJ45 AES3 pinouts
The Dolby CP950 and CP950A have two RJ45 AES3 ports, channels 1-8 on one connector and channels 9-16
on the other connector, as shown in the following tables.
Table 9: Dolby CP950 and CP950A RJ45 AES3 Channels 1-8 pinouts
1 Channels 1 and 2 +
2 Channels 1 and 2 -
3 Channels 3 and 4 +
4 Channels 5 and 6 +
5 Channels 5 and 6 -
6 Channels 3 and 4 -
7 Channels 7 and 8 +
8 Channels 7 and 8 -
Table 10: Dolby CP950 RJ45 AES3 Channels 9-16 pinouts
1 Channels 9 and 10 +
2 Channels 9 and 10 -
3 Channels 11 and 12 +
4 Channels 13 and 14 +
5 Channels 13 and 14 -
Pinouts for Dolby CP950and CP950A connectors
Dolby Cinema Processor CP950 and Dolby Atmos Cinema Processor CP950A Manual 142
Issue 9 Part Number 8800298 19 January 2022