Williams Sound SoundPlus MOD 232 Installation Manual And User's Manual page 5

Two-channel listening system
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Baseband Cable Connection
The MOD 232 can directly drive one or two emitters. TX9 emitters repeat the baseband signal, so any number of
emitters can be used. The modulator outputs CANNOT be split with CATV splitters.
Determine the length of RG-58 cable needed to reach from the TX9 Emitter to the Modulator unit. Install BNC
connectors to each end of the cable.
For two-channel operation, only one MOD 232 is required: Connect the coaxial cable to one of the Baseband Output
jacks on the rear of the MOD 232. The other end of the coaxial cable connects to the Baseband Input jack of the TX9
Emitter. See Figure 3 below.
Figure 3: Baseband Connection, Two Channel Operation
WIR TX9 EMITTER (REAR)
Multi-Channel Infrared Transmitter
RoHS
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
Class 1
WARNING: TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK DO NOT EXPOSE THIS
LED Product
EQUIPMENT TO RAIN OR MOISTURE.
Mounting
Note: It is normal for this unit to feel warm while it is in operation.
Bracket
Power Supply Wiring:
Use NEC, Class 2 Wiring, 18 ga. minimum,
200 ft. (70m) maximum length (18 ga.)
Baseband Signal Wiring:
Use RG58 Coax,1000 ft. (350m) max. length
Williams Sound, Minneapolis, Minnesota, USA
Made in U.S.A.
Patent Pending
NC
24 VAC
Power In:
~
24VAC
Plug
50-60Hz
35VA
Power On
Connect to the TX9 using RG-58 cable and BNC connectors. The MOD 232 has two baseband output jacks to
simplify connections when multiple emitters are used.
To setup a system for four-channel operation, two MOD 232 Modulators are required. Link the two Modulator units
together as shown in Figure 4. Connect the baseband output from the second modulator in the chain to the TX9
emitter(s) baseband input connector.
Figure 4: Baseband Connection, Four Channel Operation
MOD 232 MODULATOR #1 (REAR)
IMPORTANT: Each channel must be set to a different frequency!
MAN 132H
w w w . w i l l i a m s s o u n d . c o m
Baseband Signal Wiring:
Use 50 Ohm Coaxial Cable (RG58)
MOD 232 MODULATOR (REAR)
Baseband
(Modulation)
Out
Out
In
50 Ohms
Baseband On
TX9 BASEBAND INPUT
BASEBAND
OUTPUT
COAXIAL CABLE (WCA 068)
BASEBAND
BASEBAND
OUTPUT
OUTPUT
MOD 232 MODULATOR #2 (REAR)
BASEBAND
INPUT
SoundPlus
Infrared Listening System
®
SECOND WIR TX9 EMITTER (OPTIONAL)
Multi-Channel Infrared Transmitter
RoHS
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
Class 1
WARNING: TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK DO NOT EXPOSE THIS
LED Product
EQUIPMENT TO RAIN OR MOISTURE.
Mounting
Note: It is normal for this unit to feel warm while it is in operation.
Bracket
Power Supply Wiring:
Use NEC, Class 2 Wiring, 18 ga. minimum,
200 ft. (70m) maximum length (18 ga.)
Baseband Signal Wiring:
Use RG58 Coax,1000 ft. (350m) max. length
Williams Sound, Minneapolis, Minnesota, USA
Made in U.S.A.
Patent Pending
NC
24 VAC
Power In:
~
24VAC
Plug
50-60Hz
35VA
Power On
Baseband On
TX9 BASEBAND INPUT
BASEBAND
OUTPUT
TX9 BASEBAND INPUT
w w w . w i l l i a m s s o u n d . c o m
Baseband Signal Wiring:
Use 50 Ohm Coaxial Cable (RG58)
Baseband
(Modulation)
Out
Out
In
50 Ohms
A248
A249
5

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