
ZENO
®
-3200 USER MANUAL
Coastal Environmental Systems (206) 682-6048
Page 5
2. ZENO
®
-3200 BASICS
Coastal Environmental Systems
ZENO
®
-3200 User Manual
2.1. THE ZENO
®
-3200 FRONT PANEL
The ZENO
®
-3200 Front Panel, illustrated in , allows easy access to nearly all external connections to the
ZENO
®
-3200.
Only a 1/8-inch screwdriver
9
is required to attach wires to connections along the four terminal strips. The
four terminal strips organize the external connections into the following groups:
Analog Outputs and Grounds
Analog Sensor Inputs
Serial Data, Power and Grounds
Digital Inputs and Outputs
The Serial Communications Port that is usually used for computer access, COM3 (a two-row, 9-pin, DE-9
connector), is located on the top, far right-hand side of the front panel. COM3 is sometimes referred to as
the Maintenance Port.
The Auxiliary Serial Port (the two-row, 25-pin, DB-25 connector) is located to the left of COM3.
Various connections for radio communication (both RS232 and TTL) as well as standard RS232
communications are available on this port. (Details about this port are located in Section 13.5.2 of this
User Manual.)
The Analog Expansion Port, (the two-row, 15-pin, DA-15 connector), located on the top, far left-hand
side of the front panel, is currently not in use.
9
This is equivalent to a 3-millimeter screwdriver.
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