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April 2004
2-2 Initial Setup
Making Electrical Connections
Before making measurements with the TransPort, you must make
all the necessary connections to the unit. This section describes
how to connect the following:
• Power
• Transducer
• Analog Input/Output
• Infrared Interface
Make all connections to the top of the TransPort unit as shown in
Figure 2-2 below. Please note that you only need to make the
proper transducer connections. The other connections are
required for particular functions, but are not necessary for basic
operation.
Figure 2-2: Connection Locations
Power Connections
The PT878GC is powered by either a 100-120/200-260 VAC
wall mount plug-in module, or by 5 internal C
s
-size NiCad high-
energy rechargeable batteries or by a pack of 3.0 Ahr NiMH
batteries. (An optional power supplement, part #703-1283, uses 6
AA alkaline batteries.) When you receive the PT878GC, the
batteries are not charged; therefore, to make remote
measurements using the batteries, follow the instructions on
page 2-5 to charge the batteries. In either case, you must connect
the power cord to the appropriate terminal as shown in Figure 2-2
above.
XDCR
Downstream
Upstream
Infrared
Transceiver
Input/Output
(See Table 2-1
Power
on page 2-4)