Hookup - Crestron CNXCPU Operations & Installation Manual

Crestron CNXCPU
Operations & Installation Guide - DOC. 8135
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)
TO OR FROM
ANY STS
OR CRESNET
NETWORK DEVICE
CNX Control Processor Card
OPTIONAL ETHERNET
EXPANSION CARD
TO ETHERNET OR
LOCAL AREA
CNXCPU
CONTROL
PROCESSOR
PWR
NET
LAN
DPA
24
Y
C
Z
R
G
E
S
N
E
T
CRESTRON
24VDC FROM
CNPWS-75 (OR
OTHER NETWORK
CNX Control Processor Card: CNXCPU
NETWORK
DEVICE)
5