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Section 2: Installation- Connections
REAR PANEL- PAGE, RELAY & MONITOR CONNECTIONS
CONNECTING THE MONITOR CHAIN IN/
OUT
The MONITOR CHAIN connector is a five pin version
of the “Phoenix”-type connector. The center pin is the
shield connection for both the input and output of the
monitor chain. Note also that the positive terminal of
the input and output connections are on the outer pins
of this connector.
CONNECTING PAGE INPUT
The PAGE input is identical to the AUDIO INPUT connections.
Please refer to the previous page for connection guidelines.
CONNECTING THE RLY/TRG IN
The RLY/TRG IN connector is a two-pin version of the
“Phoenix”-type connector. When using this input for a switch-
closure (or opening) event, the two terminals should be
connected to the switch contacts directly. This type of event
detection can be used with relay contacts as well. If used
with a logic-type device, the low-end of the logic connection
should be connected to the minus (–) terminal and the active-
end should be connected to the plus (+) terminal. This input
is compatible with TTL & CMOS logic family devices. For the
defined limits of input to this connector , please refer to the
specification section.
CONNECTING THE RLY OUT
The RLY OUT connector provides access to the internal relay’s
contacts for remotely controlling an external low voltage device or
circuit. This internal relay is rated for 70V (DC or ACrms), 250 mA
(switched) and is isolated from ground. There is one common
terminal, one normally-closed contact terminal and one normally-
open contact terminal. These are labeled as C, NC and NO on the rear
panel. When the relay is not energized, the C terminal is connected to
the NC terminal and the NO terminal is not connected; when the relay
is energized the C to NC connection is opened and the C to NO
connection is closed.
.
DO NOT CONNECT VOLTAGES EXCEEDING 70 VOLTS (DC or AC rms) TO THE RLY OUT CONNECTOR! DAMAGE TO THE CM16a COULD
RESULT OR CREATE HAZARDOUS OPERATING CONDITIONS!
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