5
SoundPlus
®
Infrared Listening System
MAN 132H
MOD 232 MODULATOR (REAR)
SECOND WIR TX9 EMITTER (OPTIONAL)
TX9 BASEBAND INPUT TX9 BASEBAND INPUT
BASEBAND
OUTPUT
BASEBAND
OUTPUT
A248
Power On Baseband On
Multi-Channel Infrared Transmitter
Made in U.S.A.
24 VACNC
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNING: TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK DO NOT EXPOSE THIS
EQUIPMENT TO RAIN OR MOISTURE.
Power In:
24VAC
50-60Hz
35VA
Power Supply Wiring:
Baseband Signal Wiring:
Baseband Signal Wiring:
Note: It is normal for this unit to feel warm while it is in operation.
Plug
Use NEC, Class 2 Wiring, 18 ga. minimum,
200 ft. (70m) maximum length (18 ga.)
Use 50 Ohm Coaxial Cable (RG58)
Use RG58 Coax,1000 ft. (350m) max. length
www.williamssound.com
InOut Out
50 Ohms
Baseband
(Modulation)
~
Mounting
Bracket
RoHS
Class 1
LED Product
Williams Sound, Minneapolis, Minnesota, USA
Patent Pending
Power On Baseband On
Multi-Channel Infrared Transmitter
Made in U.S.A.
24 VACNC
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNING: TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK DO NOT EXPOSE THIS
EQUIPMENT TO RAIN OR MOISTURE.
Power In:
24VAC
50-60Hz
35VA
Power Supply Wiring:
Baseband Signal Wiring:
Baseband Signal Wiring:
Note: It is normal for this unit to feel warm while it is in operation.
Plug
Use NEC, Class 2 Wiring, 18 ga. minimum,
200 ft. (70m) maximum length (18 ga.)
Use 50 Ohm Coaxial Cable (RG58)
Use RG58 Coax,1000 ft. (350m) max. length
www.williamssound.com
InOut Out
50 Ohms
Baseband
(Modulation)
~
Mounting
Bracket
RoHS
Class 1
LED Product
Williams Sound, Minneapolis, Minnesota, USA
Patent Pending
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 #2 (REAR)MOD 232 MODULATOR #1 (REAR)
COAXIAL CABLE (WCA 068) TX9 BASEBAND INPUT
BASEBAND
OUTPUT
BASEBAND
OUTPUT
BASEBAND
INPUT
A249
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
IMPORTANT: Each channel must be set to a different frequency!
(58 pages)
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