Teledyne API T703/T703U Calibrator Operation Manual Getting Started

27

Figure 3-4: Rear Panel Layout

Table 3-2. Rear Panel Description

Component Function
Fan For cooling: pulls ambient air through chassis from side vents; exhausts through rear.
AC Power
Connector
Connector for three-prong cord to apply AC power to the instrument
CAUTION! The cord’s power specifications (specs) MUST comply with the
power specs on the calibrator’s rear panel Model number label.
EXHAUST Exhaust gas from ozone generator and photometer (option)
CAUTION! Exhaust gas must be vented outside.
PHOTO ZERO IN Inlet for photometer Zero Gas (option)
PHOTO ZERO OUT Outlet for photometer Zero Gas (option)
PHOTO IN Measurement gas input for O3 photometer (option)
PHOTO OUT Calibration gas outlet to O3 photometer (option)
CAL GAS OUT Two outlets for calibration gas.
VENT Vent port for output manifold
DRY AIR IN Inlet for dry air.
ZERO AIR IN Inlet for external zero air source – MUST BE CAPPED WHEN NOT CONNECTED.
COM 2 Serial communications port for RS-232 or RS-485 (option).
RX TX LEDs indicate receive (RX) and transmit (TX) activity on the when blinking.
RS-232 Serial communications port for RS-232 only.
DCE DTE Switch to select either data terminal equipment or data communication equipment
during RS-232 communication. (Section 5.1.1)
CONTROL OUT For outputs to devices such as Programmable Logic Controllers (PLCs).
STATUS For outputs to devices such as Programmable Logic Controllers (PLCs).
ANALOG OUT For voltage or current loop outputs to a strip chart recorder and/or a data logger.
CONTROL IN For remotely activating the zero and span calibration modes.
ETHERNET Connector for network or Internet remote communication, using Ethernet cable.
USB Connector for direct connection (option) to a personal computer, using USB cable.
Label w/power specs Identifies the instrument model number and lists voltage and frequency specifications

07223C DCN6572