Crestron 6510420 Quick Start - Page 2

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CP4/CP4N

4-Series Control System

Connect the Device

Make all necessary connections to the control system as shown below.

Observe the following when connecting the control system:

Use Crestron power supplies for Crestron equipment.

The control system may be powered with the included 24 VDC power

supply or via Cresnet® network power with the NET port.

Connect the chassis ground lug to a known earth ground circuit (such

as building steel) to ensure that the control system is grounded

properly.

Apply power after all connections have been made.

COM 1 Connections

Port

RS-232

GND

TX (from CP4/CP4N)

RX (to CP4/CP4N)

RTS

RTS (from CP4/CP4N)

CTS

CTS (to CP4/CP4N)

1. RS-422 transmit and receive are balanced signals that require two lines plus a ground

in each direction. RXD+ and TXD+ should idle high (going low at start of data

transmission). RXD- and TXD- should idle low (going high at start of data

transmission). If necessary, RXD+/RXD- and TXD+/TXD- may be swapped to maintain

correct signal levels.

2. A ground terminal connection is recommended but not required.

Quick Start

RS-422

RS-485

GND

TX- (from CP4/CP4N)

TX-/RX-

RX+ (to CP4/CP4N)

Not used

TX+ (from CP4/CP4N)

TX+/RX+

RX- (to CP4/CP4N)

Not used