
Since the PS15’s internal termination is not used in this
application, the position of the Impedance Select switch
on the back panel does not matter. On the SSA-324,
switches S101 and S102 on the back panel should be set
to the Unbal position. The System A and System B
switches on the front panel should be set to CH2. For each
Zeus channel, you can start with the default analog input /
output settings. Adjust the level going from Zeus to each
belt pack using the Level to RTS trimmer on the front of
the SSA-324. Adjust the level from the belt pack to Zeus
with the Level from RTS trimmer. In this application, you
will probably leave the SSA-324 Duck trimmers in the
full clockwise position. The Null Low, Med and Hi trim-
mers can be adjusted to minimize the belt pack users own
voice in the belt pack headphones.
Getting Started, Zeus™ DSP Intercom Matrix 31
HEADSET LINESHEADSET LINES
2-Wire
In / Out
J101
Powe r
Input
TB 1 Connections
System B
S101
Sys B
BAL
Unbal
In = Bal
87654321
TB 1
Fuse
1A SB
F1
System A
1 - 4-Wire in Hi
2 - 4-Wire in Lo
3 - 4-Wire Out Hi
4 - 4-Wire Out Lo
System B
5 - 4-Wire in Hi
6 - 4-Wire in Lo
7 - 4-Wire Out Hi
8 - 4-Wire Out Lo
S102
Sys A
BAL
Unbal
2-Wire
In / Out
System A
J102 J104
TELEX COMMUNICATONS, INC. Made in the U.S.A. TW Intercom System Mode SSA324 System Interface
1 - Earth
2 - AC
3 - AC
4 - NC
PUSH PUSH
J103 I/O
MODEL PS15
POWER SUPPLY
O/N 9000678600
IMPEDANCE
SELECT
NORM
200
Ω
DUAL
400
Ω
OUTPUTS
J1, J2 CONNECT TO
TW INTERCOM SYSTEM COMPONENTS
REFER TO OPERATION MANUAL
AUDIO
COUPLING
CH1-CH2
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE,
REPLACE ONLY WITH SAME TYPE FUSE.
FUSE
0.5A SB / 120VAC
0.25A SB / 240VAC
TIP-CH1
RING-CH2
SLEEVE-COM
RTS SYSTEMS, BURBANK, CALIFORNIA MADE IN U.S.A.
PUSH
1
3
+
PUSH
1
3
+
To a Zeus Channel
To a Zeus Channel
To Another
TW5W
PS15
TW5W TW5W
BP-318BP-318
SSA-324
Figure 27. Interfacing TW Belt Packs to Zeus
The numbered callouts are the Figure numbers for cable wiring diagrams starting on page 22. On the PS15: the position of the
Impedance Select switch does not matter. On the SSA-324: set switches S101 and S102 to the Unbal position; set the front
panel System A and System B switches to CH2.
18
18
20
20
21 21
19
19
19
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