Rear Panel - Wyatt Technology Optilab rEX User Manual

Chapter 2: Instrument Description

2.3 Rear Panel

The rear panel, see Figure 2-2, provides access for power, signal connec-
tions, the cooling fan, air filter, the exhaust fan, and a nitrogen purge port.
Air Intake Fan
Power Connector
Air Intake and Exhaust Fans: The fans help to keep the instrument
electronics at a constant temperature.
Signal Connectors: There are 10 RJ-12 connectors that provide connec-
tions to Transistor-Transistor Logic (TTL) inputs and outputs, Analog
input and output, Auto Inject input and output, and a solenoid drive
output. For a description of the signal connectors, see "Power and Signal
Connections" on page 4-2.
Power Connector: Provides power to the instrument. See "Power and
Signal Connections" on page 4-2 for a complete description of the Optilab
rEX's power requirements.
Communications Connector: The Ethernet connector allows you to
connect to a computer or an Ethernet network.
Nitrogen Purge Port: Provides the connection to purge the instrument
with dry nitrogen in order to prevent condensation on the optical and mea-
surement systems. For detailed information regarding the nitrogen purge
port, see "Dry Nitrogen Connection" on page 4-8.
2-4
Signal Connectors
Communications Connector
Figure 2-2: Rear panel
Air Exhaust Fan
Nitrogen Purge Port
Optilab rEX User's Guide (M1500 Rev. F)