Dolby Laboratories DP503 - Manual (Page 67)

A-3
A.1.6 TA Ctrl RS-232 Port, J107
DB-9 male connector.
Pin Connection Comments
1 DCD direct connection to DTR
2 RX asynchronous data in
3 TX asynchronous data out
4 DTR direct connection to DCD
5 Ground
6 DSR direct connection to RTS
7 RTS direct connection to DSR
8 NC
9 NC
A.1.7 Rem/Download RS-232 Port, J108
DB-9 female connector.
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
A.1.8 Status, J109
DB-9 male connector. 5 V CMOS levels.
Pin Connection Comments
1 Fault Power supply or processor/memory fault
2 Test Test tone selected
3 Digital Input Valid AES/EBU or S/PDIF signal present
4 Lock Phase locked loop locked to data clock
5 Overload Ch A Channel A input signal at full scale
6 Overload Ch B Channel B input signal at full scale
7 Remote Remote control mode selected
8 NC
9 Ground
MAIN