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5. Connections
RS232
An Electronic Industries Association (EIA) serial digital interface standard specifying the characteristics of the commu-
nication path between two devices using either D-SUB 9 pins or D-SUB 25 pins connectors. This standard is used for
relatively short-range communications and does not specify balanced control lines. RS-232 is a serial control standard
with a set number of conductors, data rate, word length and type of connector to be used. The standard specifies com-
ponent connection standards with regard to computer interface. It is also called RS-232-C, which is the third version
of the RS-232 standard, and is functionally identical to the CCITT V.24 standard. Logical ’0’ is > + 3V, Logical ’1’ is < -
3V. The range between -3V and +3V is the transition zone.
RS422
An EIA serial digital interface standard that specifies the electrical characteristics of balanced (differential) voltage,
digital interface circuits. This standard is usable over longer distances than RS-232. This signal governs the asyn-
chronous transmission of computer data at speeds of up to 920,000 bits per second. It is also used as the serial port
standard for Macintosh computers. When the difference between the 2 lines is < - 0.2V that equals with a logical ’0’.
When the difference is > +0.2V that equals to a logical ’1’..
Ethernet network communication
The CLM projector can be connected to aLAN (local area network)using theEthernetport (E) onthe communication interface. Once
connected to the LAN, users are capable of accessing the projector from any location, inside or outside (if allowed) their company
network using the CLM control software: Projector Toolset. This toolset locates the projector on the network in case there is a DHCP
server or the user can insert the correct IP-address of the projector to access the projector. Once accessed, it is possible to check
and manipulate all the projector settings. Remote diagnostics, control and monitoring of the projector can then become a daily and
very simple operation. The network connectivity permits to detect potential errors and consequently improve the time to servicing.
Both Ethernet port (E) is equipped with a yellow and green a LED. The yellow LED lights up in case the port is connected with a
100Mbit network. The green LED blinks in case there is network activity.
The connector used for the Ethernet ports (E) are of rugged Neutrik EtherCon RJ45 type, which is compatible
with standard RJ45 cable connector. Straight (most common
) as well as cross linked network cables can be
used.
10/100 Base-T — RJ45 port
Pin Description
1TXD+
2TXD-
3RXD+
4
—
5
—
6RXD-
7
—
8
—
USB port
The communication interface is equi
pped with a master USB port, type “A” connector (H). This USB port will simplify the service
procedures for software updates or for taking backup files from the projector without network connection. An USB-stick is plugged
into the USB port and files can be transferred from or to the projector using the local or remote control unit. Note that the USB-stick
has to be Linux FAT16 compat
ible.
DMX interface
The communication interface of the CLM HD8 supports DMX.
DMX is used as communication bus between different devices in the light technic. Each device has an input and an output, so that
the bus can be looped between the different devices. According the standard a five wire cable with XLR connector is used but mostly
3-wire cables are used.
You can use the DMX input port (G) to connect a DMX device to the CLM projector. This way you can control the CLM projector
from that DMX device. The DMX output port (G) can be connected with the next device in the loop.
Pin Description
1Earth
R59770057 CLM HD8 15/03/2010
41