Appendix a, Connector specifications, Audio xlr-3 connector pinout – Powerware Model V-2000B User Manual
Page 119: Serial control connector pinout
Connector Specifications = 117
Appendix A
Connector Specifications
Audio XLR-3 Connector Pinout
Signals appearing on the XLR connectors are determined by the setting of the internal
Analog/Digital Audio Selection jumpers.
Pin
BALANCED ANALOG
AES/EBU DIGITAL
1
SHIELD
(
FRAME GROUND
)
SHIELD
(
FRAME GROUND
)
2
"
+
"
OR
HOT
D
IGITAL
+
3
"
–
"
OR
COMMON
D
IGITAL
-
S
HELL
F
RAME GROUND
F
RAME GROUND
Serial Control Connector Pinout
Pin
EIA-422, DB9-F
Connector
1
GND
2
Transmit A (TX–)
3
Receive B (RX+)
4
GND
5
N/C
6
GND
7
Transmit B (TX+)
8
Receive A (RX-)
9
GND
Shell
Frame ground