Wiring and Device Connections
26
Enova DVX-3150HD/3155HD All-in-One Presentation Switcher Operation/Reference Guide
Rear Panel Control and Power
The following sub-sections describe each component on the rear panel of the DVX. Refer to FIG. 4 on page 10
for the component layout of the rear panel.
RS232/422/485 Serial Port Connectors (PORTS 1-6)
The RS232/422/485 serial device ports (FIG. 35) are used for A/V sources and displays. These ports support
most standard RS-232, RS-422, and RS-485 communication protocols for data transmission.
These connectors feature the following specifications:
XON/XOFF (transmit on/transmit off)
CTS/RTS (clear to send/ready to send)
300-115,200 baud
FIG. 36 provides wiring specifications for the RS-232/422/485 connectors.
FIG. 35
RS-232/422/485 Device Port connectors
FIG. 36
RS-232/422/485 (DB9 - male) connector pinouts
RS-232/422/485 Port Wiring Specifications
Pin Signal
Function
RS-232
RS-422
RS-485
1
RX-
Receive data
X
X (strap to pin 9)
2
RXD
Receive data
X
3
TXD
Transmit data
X
4
TX+
Transmit data
X
X (strap to pin 6)
5
GND
Signal ground
X
X
X
6
RX+
Receive data
X
X (strap to pin 4)
7
RTS
Request to send
X
8
CTS
Clear to send
X
9
TX-
Transmit data
X
X (strap to pin 1)
DB9 Serial Port
pinouts (male connector)
Pin 2: RX signal
Pin 3: TX signal
Pin 5: GND
Pin 7: RTS
Pin 8: CTS
RS-232
Pin 1: RX -
Pin 4: TX +
Pin 5: GND
Pin 6: RX +
Pin 9: TX -
RS-422
Pin 1: A (strap to 9)
Pin 4: B (strap to 6)
Pin 5: GND
Pin 6: B (strap to 4)
Pin 9: A (strap to 1)
RS-485
1 2 3 4 5
6 7 8 9
When wiring the connections,
do
not
use pre-made 9-wire cable or connect the wire
in the cable to any connection that will not be used by the DB9 serial port.
Only use
wiring that connects the necessary pins.
