Wiring and Device Connections
38
Enova DVX-315xHD & DVX-215xHD All-in-One Presentation Switchers - Instruction Manual
Rear Panel Control and Power
The following sub-sections describe each component on the rear panel of the DVX. Refer to FIG. 6 on page 22 for the component
layout of the rear panel.
RS232/422/485 Serial Port Connectors
The RS232/422/485 serial device ports 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. The 315x DVX models feature six connectors. The 21xx DVX
models feature three connectors.
FIG. 44 displays the RS232/422/485 Serial Port connectors on the DVX-3150HD-SP.
FIG. 44
RS-232/422/485 Serial Port Connectors
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. 45 provides wiring specifications for the RS-232/422/485 connectors.
FIG. 45
RS-232/422/485 (DB9 - male) Connector Pinouts
VIDEO OUTPUTS
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)
WARNING: 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.
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