Crestron CP3N Manuel de démarrage rapide - Page 4
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CP3 and CP3N
3-Series Control System® Automated Processors
COM 1 Connections
Port
RS-232
G
GND
TX
TX (from CP3/CP3N)
RX
RX (to CP3/CP3N)
RTS
RTS (from CP3/CP3N)
CTS
CTS (to CP3/CP3N)
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 the 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.
1
RS-422
RS-485
2
GND
GND
TX- (from CP3/CP3N)
TX-/RX-
RX+ (to CP3/CP3N)
Not used
RTS+ (from CP3/CP3N)
TX+/RX+
CTS- (to CP3/CP3N)
Not used
Connect the Control Subnet
(CP3N Only)
The CP3N has a dedicated Control Subnet used for communication
between the control system and Crestron Ethernet devices without
interference from other traffic on the network.
NOTE:
Do not connect the CONTROL SUBNET port to the LAN. The
CONTROL SUBNET port must only be connected to Crestron
Ethernet devices.
For more information on using the Control Subnet, refer to the 3-Series
Control System Reference Guide (Doc. 7150) at
www.crestron.com/manuals.
Quick Start
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