Instruction manual

Wiring and Device Connections
31
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. 3 on page 14 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. 41 displays the RS232/422/485 Serial Port connectors on the DVX-3150HD-SP.
FIG. 41 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. 42 provides wiring specifications for the RS-232/422/485 connectors.
FIG. 42 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)
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
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