QSC Audio DSP-3 - Manual (Page 31)

Section 5:
Appendix- RS-232 Port Pinout & Connector P-N’s
31
TERMINAL BLOCK CONNECTOR PART NUMBER REFERENCE- The following manufacturers and part numbers are provided
as a reference to users. The information here is subject to change without the knowledge of QSC.
3 pin without integral strain relief: Phoenix Contact - 17 57 02 2; Riacon - 31249103-6; On Shore Tech - EDZ950/3
3 pin WITH Strain Relief : Phoenix Contact 17 76 16 8
“Phoenix Contact” is the trademark of Phoenix Contact, Inc., Middletown, PA
“Riacon” is the trademark of RIA electronic, Inc., Eatontown, NJ
“On-Shore Technology” is the trademark of On-Shore Technology, Inc., Tempe, AZ
All other trademarks are the property of their respective owners
Pin Signal Description
1 DCD
2 TD
3 RD
4 DTR
5 Signal GND
6 DSR
7 RTS
8 CTS
9 contact closure
RS-232 PINOUT: The diagram below shows the pin assignments for the RS-232 connector on the DSP-3.
Note that Pin #9 is used for Contact Closure function (normally not used in RS-232).