Teledyne 2120XL - Trace Nitrogen Analyzer - Manual (Page 31)

Trace Nitrogen in Argon Analyzer Installation
Teledyne Analytical Instruments 19
Figure 3-1: Required Front Door Clearance
3.4 Rear Panel Connections
Figure 3-2 shows the Model 2120XL rear panel. Up to 7 gas inlet
and outlet ports are installed depending on whether the unit is supplied
with an optional auto calibration module. In addition, the rear panel has
provisions for power, communication, and a user interface connector
that incorporates alarm, analog output, digital input/output, and relay
connections that are used in interfacing peripheral equipment with the
analyzer.
Figure 3-2: Rear Panel of the Model 2120XL