Crestron
CNXCPU
CNX Control Processor Card
Operations & Installation Guide - DOC. 8135
CNX Control Processor Card: CNXCPU
••
5
1.
Disconnect power from the control system.
2.
If applicable, loosen the thumb screws of the CNXCPU to be replaced
and pull outward to remove the card.
3.
Align the CNXCPU to be installed with the card guides of the double-
sized CPU slot and slide the card into position.
4.
Firmly press both ends of the CNXCPU faceplate to seat the card into
the control system connector.
5.
Tighten the thumb screws finger-tight to secure the CNXCPU to the
control system.
6.
Reapply power to the control system.
Hookup
Refer to the example hookup diagram below and aside from applying power last,
complete the connections in any order.
Hookup Connections for CNXCPU
TO SERIAL
PORT ON PC
(PARALLEL DB9
CONNECTOR ALSO
ON CONTROL
SYSTEM FRONT
PANEL)
OPTIONAL ETHERNET
EXPANSION CARD
TO ETHERNET OR
LOCAL AREA
NETWORK
TO OR FROM
ANY STS
OR CRESNET
NETWORK DEVICE
24
Y
Z
G
C
R
E
S
N
E
T
CRESTRON
CNXCPU
CONTROL
PROCESSOR
PWR
NET
COMPUTER
LAN
DPA
24VDC FROM
CNPWS-75 (OR
OTHER NETWORK
DEVICE)
