Note: All Radio Interface Headset Station Modules provide radio transmit isolation with the exception of the U3810 and the U3812.
3
U3810 RADIO INTERFACE
MODULE
Adds the transmit and receive functions of
a mobile radio to the David Clark Series
3800 Intercom System. Use of this module
is recommended for two- or three-person
systems only. The U3810 has one radio
push-to-talk (PTT) switch, one system
input connection, one radio input
connection and two connectors for optional
remote PTT.
5-1/4” L x 5-1/4” W x 2-3/4” D.
Note: All intercom traffic is transmitted when PTT
is engaged.
U3811 RADIO INTERFACE
MODULE
Provides isolated radio transmit function for
one headset and radio receive function for
all users. Contains one radio PTT switch,
one headset jack and listen level control,
one system input connection and one radio
input connection.
5-1/4” L x 3-5/8” W x 3-1/16” D.
U3812 DUAL RADIO INTERFACE
MODULE
Designed to connect two separate radios
to a David Clark Series U3800 Intercom
System. The priority reception feature
enables the user to select which radio’s
receive audio will have precedence by
simply connecting the priority radio to the
priority radio input connector. Contains
one C38-XX system connector, two
connectors for radio input (C3821), and
two connectors for optional remote PTTs.
8-1/2” L x 5-3/4” W x 4-1/8” D.
Note: All intercom traffic is transmitted when PTT
is engaged.
U3803 REMOTE JUNCTION
MODULE
A passive module containing four
identically wired connectors for expanding
the number of headset stations utilized in
the system. A U3803 may be added to the
system wherever C38-XX Jumper Cords are
to be interconnected.
5-1/4” L x 5-1/4” W x 2-3/8” D.
U3805 RADIO CORD JUNCTION
MODULE
Recommended for systems utilizing two or
more radio interface headset stations. It is
a passive module that permits multiple
Series 3800 Radio Interface Modules
(a maximum of four) to be connected to
one radio. The U3805 provides one output
to a mobile radio, one primary input from a
Series 3800 Radio Interface Module, and
three secondary inputs from Series 3800
Radio Interface Modules.
6-3/4” L x 5-1/4” W x 2-3/8” D.
Note: With modifications, the U3805 also accepts input
from model C3019 Utility Radio Adapters.
U3806 DUAL HEADSET
INTERCOM STATION
Expands the system beyond the master
station. Contains two headset jacks,
each with listen level control, system
input connector and two system output
connectors. Provides a path for “daisy-
chaining” to additional headset stations.
6-3/4” L x 4-1/4” W x 3-1/16” D.
(11 stránky)
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