
Crestron
CLS-C6/C6M & CLSI-C6/C6M
iLux Integrated Lighting System
Operations Guide – DOC. 6347E
iLux Integrated Lighting System: CLS-C6/C6M & CLSI-C6/C6M
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Appendix C: RS-232 Commands
Connect the third party controller to the serial port of the C2N-IO. Connect the
C2N-IO to the CLS-C6s
Local Devices – G Z Y 24
. ASCII commands received by
the serial convertor module are sent to the CLS-C6 slave Cresnet port. The CLS-C6
Cresnet serial packets are forwarded as ASCII strings to the third party controllers.
Only one C2N-IO device is allowed on the local Cresnet network. The Cresnet ID
for the C2N-IO should be set to
00
so that the iLux can assign
D5
when auto-
discovery is run.
NOTE
: When connecting the C2N-IO serially to the PC ensure proper wiring. The
Tx pin of the C2N-IO serial connector must connect to the Rx pin of the serial
connector on a PC. Additionally, the Rx pin of the C2N-IO serial connector must
connect to the Tx pin of the serial connector on a PC, and then ground.
NOTE
: If the PC is connected to the CLS-C6 and the C2N-IO (serially) at the same
time, then choose a different port for the C2N-IO since the serial connection is not
shared (COM1, COM2, … COM6). This can be performed in the Crestron Toolbox
Address Book when selecting the communications settings for the C2N-IO.
Command Format
All packets from the third party equipment shall be in ASCII character set range 0 to
127. Extended ASCII characters higher than 127 are not supported. All command
and reply packets for the third party controller between the CLS-C6 and C2N-IO
devices are in Cresnet serial packet type 0x12 format. The serial packet payload
contains the ASCII command or reply strings form the third party controllers.
Serial Port Configuration Packet to C2N-IO
CRESNET
ID
LENGTH
CMD
STRING
NUMBER
PAYLOAD
DATA 0..X
1-Byte
1-Byte
1-Byte
1-Byte
x-Bytes
XX
07
12
80
00 25 00 00 00
Refer to the “Cresnet II Packet” document for more information on this command.
Serial Packets Between CLS-C6 and C2N-IO
CRESNET
ID
LENGTH
CMD
STRING
NUMBER
PAYLOAD
DATA 0..X
1-Byte
1-Byte
1-Byte
1-Byte
x-Bytes
XX
LL
0x12
0x80
00..XX
Refer to the Cresnet protocol specifications for more details on this packet.