EFJohnson 3000 SERIES - Manual (Page 163)

WIDE AREA MODULE (WAM)
19-7
A Location where at least two external interfaces
are used for connection from the Host Location to the
Remote Locations (as in Figure 19-5) is shown in
Figure 19-10. If more than two external interfaces are
required then the summation and distribution amps
must have the appropriate number of inputs and
outputs. The summation and/or distribution amplifiers
may be ganged together if needed.
Figure 19-9 AUDIO CABLE LAYOUT TWO LOCATIONS WITH EXTERNAL AUDIO DEVICE
TXA+
TXA-
RXA+
RXA-
WAM
REMOTE LOCATION
TXA+
TXA-
RXA+
RXA-
MW
TXA+
TXA-
RXA+
RXA-
MW
TXA+
TXA-
RXA+
RXA-
WAM
HOST LOCATION - OPTIONAL CONNECTION
D
SUMMATION
DIST. AMP
Figure 19-10 AUDIO CABLE LAYOUT HOST LOCATION OF A 3 LOCATION CONFIGURATION
TXA+
TXA-
RXA+
RXA-
WAM
TXA+
TXA-
RXA+
RXA-
MW
D
SUMMATION
DIST. AMP TXA+
TXA-
RXA+
RXA-
MW