2. Installation
Rain Bird
®
ET Manager Series - Installation and Operation Manual 11
Wire Connections
Behind the terminal cover there are the following
wiring terminals (see Figure 6):
• 9-volt Battery: Connect 9-volt alkaline battery,
to be replaced annually or as needed
• Ground: Earth ground for surge protection
•Power:12 to 30-volt AC/60Hz or 12 to 35 VDC
@ 0.22 (0.2) Amp max
• Jumper: Connected for Enable Output Method
• Rain Tip In: On-site tipping bucket rain gauge
input
•NOA:Normally Open A terminal used for ET
Pulse
•A:Valve Group A Common wire
• COM: Valve common input from the sprinkler
controller
•B:Valve Group B Common wire
• NOB: Normally Open B terminal used for Rain
Pulse
• 6-Pin Serial Connection: TTL serial port to
connect to a Personal Computer, requires the
ET Manager Programming Software (ETM-PS)
(sold separately)
• BNC: External antenna connection
Figure 6. ET Manager Wire Terminal Connections
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