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Audiocom®
LOCAL POWER
12 to 15 VDC, 65 to 150 mA
PS2000L
RESET
1
R
2
Audiocom
WM2000
GRN 1
RED 2
Ch Select
Headset
Volume
Talk
Call
Listen
Audiocom
WM2000
GRN 1
RED 2
Ch Select
Headset
Volume
Talk
Call
Listen
Audiocom
WM2000
GRN 1
RED 2
Ch Select
Headset
Volume
Talk
Call
Listen
Audiocom
WM2000
GRN 1
RED 2
Ch Select
Headset
Volume
Talk
Call
Listen
PS2000L
WM2000
Audiocom
WM1000
Headset
Volume
Talk
Call
Listen
WM1000
Audiocom
WM1000
Headset
Volume
Talk
Call
Listen
WM1000
WM2000
WM2000
WM2000
500 METERS
Figure 2. A two-channel intercom system using one PS2000L Power Supply set to
isolate mode. In isolate mode, each intercom channel is a separate party line, and
total current for each channel is limited to 1 amp. Note that both WM1000 and
WM2000 stations may be connected, depending on each locations’ need to
communicate with one or two channels. WM1000 stations may be connected to either
channel one or two. Also note that locally powered stations may be connected. This
is recommended when stations are installed at remote locations. Since the PS2000L
provides termination for the intercom channels, no user-installed termination is
required. For WM1000 connection details refer to Figure 6
; for the WM2000, refer to
Figure 7
PS2000L
RESET
1
R
2
Audiocom
WM1000
Headset
Volume
Talk
Call
Listen
Audiocom
WM1000
Headset
Volume
Talk
Call
Listen
Audiocom
WM1000
Headset
Volume
Talk
Call
Listen
Audiocom
WM1000
Headset
Volume
Talk
Call
Listen
Audiocom
WM1000
Headset
Volume
Talk
Call
Listen
Audiocom
WM1000
Headset
Volume
Talk
Call
Listen
WM1000
WM1000
WM1000
WM1000
WM1000
WM1000
Figure 3. A single-channel intercom system using one PS2000L with WM1000
Intercom Stations. The PS2000L may be set to either combine or isolated mode. In
combine mode, all intercom stations talk on a single party line, and total current for
the channel is 2 amps. In isolate mode, one string of intercom stations is operated
as channel one, and the other string is operated as channel two. There is no
communication between the separate channels, and the total current per channel is
1 amp. For WM1000 connection details, refer to Figure 6
.