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*
ZONE 5
*
ZONE 6
Figure 2
TZC-8B Wiring Diagram
Siemens Industry, Inc.
Building Technologies Division
Remove all system power before installation, first battery then AC. (To power up,
connect the AC first, then the battery.)
All field wiring to the TZC-8B is connected to the terminal blocks of the CC-5 card
cage slot in which it is installed (refer to Figure 2).
The top terminals (1 through 8 and 9 through 16) are connected to telephone zones 1
through 8. Terminate all unused outputs with an EOL resistor, as shown in Figure 2.
Of all the bottom terminals (17 through 24), only terminals 17 and 18 are used for
+24V connections.
The screw terminals can accommodate one 12-18 AWG or two 16-18 AWG.
E
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N
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S
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o i
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o
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-
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d
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b
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-
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-
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h
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o
T
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, k l
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e l
s s
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s s
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b
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e x
s
1
2
9
10
+
OUT
-
RETURN
+
OUT
-
RETURN
17
18
TO
PSC-12/PSX-12
*
*
*
3
4
5
6
7
8
11
12
13
14
15
16
RETURN
OUT
ONE SLOT OF CC-5
19
20
21
22
23
24
3
NOTES
1. All wiring must be in accordance
with Article 760 of NEC or local
building codes.
2. All output circuits are power
limited to NFPA 70 per NEC 760.
3. Electrical Ratings:
Output Zone Supervisory:
35mA max @ 24VDC
4. A maximum of 10 phones can be
simultaneously connected
throughout the system.
5. An unlimited number of jacks can
be connected to each zone on the
TZC-8B.
6. 100Ω max per zone.
7 . Use twisted pair or shielded
twisted pair.
8. Terminate shield at TZC-8B only.
9. Positive or negative ground fault
detected at <10K ohms for
terminals 1-16.
Denotes connection to
any of the following:
FTS
FTS-P
FTS-C
FTS-CL
FTS-PCL
FJ-303
FJ-303SS
FJ-304
FJ-304SS
*
ZONE 8
+
IF NOT USED,
WIRE AS SHOWN
+
*
END OF LINE RESISTOR
10K, ¼W, P/N 140-034726
IN CANADA, MOUNT USING MODEL EL-33.
P/N 315-034110-6
A24205-A334-B821
*
ZONE 7
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