Dolby Laboratories DP524 User Manual
Page 28
6-2
Status / Control, J104, 25-pin D-connector:
Pin
Connection
Comments
1
NC
Do Not Connect
2
NC
Do Not Connect
3
NC
Do Not Connect
4
NC
Do Not Connect
5
NC
Do Not Connect
6
NC
Do Not Connect
7
NC
Do Not Connect
8
NC
Do Not Connect
9
NC
Do Not Connect
10
NC
Do Not Connect
11
NC
Do Not Connect
12
NC
Do Not Connect
13
VREF
Logic Level Reference (+5V)
14
DGND
Digital ground
15
DGND
Digital ground
16
DGND
Digital ground
17
DGND
Digital ground
18
DGND
Digital ground
19
TEST IN
Input, Enable Test Tone
20
DOWNLOAD
Input, Enable Software Download
21
FAULT
Output, System Failure
22
TEST OUT
Output, Test Mode
23
MUTE
Output, Decoder Muted
24
NC
Do Not Connect (start -)
25
DGND
Digital ground
RS-232 Port, J105
Pin
Connection
Comments
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
Ground
6
DSR
direct connection to DCD, DTR, and CTS
7
NC
8
CTS
direct connection to DCD, DTR, and DSR
9
NC
Analog Audio Input, J106 & J107
XLR-type connectors
Pin
Connection
1
Analog signal ground
2
Analog Audio +
3
Analog Audio -
MAIN