2-10 Christie ACT User Manual
020-100129-05 Rev. 1 (02-2010)
Section 2: Installation & Setup
RS422 With Non-Isolated Power
The RS422 12V has a maximum power out of 200mA. Pins 2 and 4 receive serial data from an external device,
and Pins 3 and 5 transmit serial data to an external device. RS422 is used for both input and output and has
longer cable distance than RS232.
Expansion
For future use only.
RS232 Audio
This serial port controls audio devices through RS232. No audio signals are passed through this
connection. The pin descriptions for the RS232 Audio port are the same as the other RS232 ports.
2.5 Installation
This section covers both the Rack Mount and CP2000 Pedestal (optional) installation.
2.5.1 Rack Mount Installation
Before installing Christie ACT in a rack mount, the following should be considered:
Pin Signal Name Direction Description
1 NC Not connected
2 RXD- in Receives serial data from external device.
3 TXD- out Transmits serial data to external device
4 RXD+ in Receives serial data from external device
5 TXD+ out Transmits serial data to external device
6 NC Not connected
7GND Ground
8 NC Not connected
9+12V out PWR
Elevated
Operation
Ambient
If installed in a closed or multi-unit rack assembly, the operating ambient temperature of the rack environment may
be greater than room ambient, therefore consideration should be given to installing the equipment in an environment
compatible with the maximum ambient temperature (ThermoMechanical Analysis) specified by the manufacturer.
Reduce Air
Flow
Installation of the equipment in a rack should be such that the amount of air flow required for safe operation of the
equipment is not compromised.
Mechanical
Loading
Mounting of the equipment in the rack should be such that a hazardous condition is not achieved due to uneven
mechanical loading.
Circuit
Overloading
Consideration should be given to the supply circuit equipment and the effect that overloading of the circuits might
have on overcurrent protection and supply wiring. Appropriate equipment nameplate ratings should be used when
addressing this concern.
Reliable
Earthing
Reliable earthing of rack-mounted equipment should be maintained. Particular attention should be given to supply
connections other than direct connections to the branch circuit (e.g. use of power strips).
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