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Total Access 3000 23-Inch Chassis Installation and Maintenance Practice
ALARM CONNECTIONS
The Total Access 3000 Chassis provides standard bank alarm outputs. Each of the alarms
listed below consists of a three-pin wire-wrap header that connects to the SCU for alarm
management (See
Figure
P22
P22
A
B
A
B
A
B
A
B
A
B
A
B
1
1
ACO
RMT
AUX1
ACO
RMT
AUX1
P 5
P A I R 4
64
20
20
64
P A I R 5
J33
P3
P3
NO
C
NC
NO
C
NC
NO
AUX1
AUX1
The SCU provides the necessary electronic circuits for a NO/COM/NC contact arrangement.
The alarms are as follows:
• Critical-Visual
• Major-Visual
• Minor-Visual
• Critical-Audible
• Major-Audible
• Minor-Audible
• AUX-1
• AUX-2
20
9).
A
B
A
B
AUX2
AUX2
P 1 1
64
33
1
32
64
33
P 1 2
P A I R 3
32
10
Total Access
T
R
S
20
20
T1
Chassis
R1
S
LOOP
TEST
ACCESS
33
P9
64
32
1
64
33
P7
P A I R 6
32
1
-48 VDC PRI
-48 VDC SEC
P22
P3
A
B
A
B
A
B
A
B
NO
C
NC
NO
C
NC
1
-48 VDC
RET
-48 VDC RET
NTWK MGMT
J30
ACO
RMT
AUX1
AUX2
AUX1
AUX2
P21
P21
NO
NO
C
NC
NO
C
NC
AUX2
AUX2
Figure 9. Total Access 3000 Alarm Contacts
P A I R 2
64
33
33
1
32
P 8
E D C B A
1
P A I R 1
P15
1
10
20
8
30
ACCESS
T
P24
R
EXTCLK
C-IN
S
1
+
T1
–
R1
S
S
F4
P A I R 7
48
64
33
1
33
32
1181004L1
P 1 0
1
P A I R 8
EXTCLK
RS485
J32
ALARM OUTPUTS
P21
P1
R21
P20
P19
P18
+
–
S
+
–
S
+
+
–
–
S
A
B
A
B
NO
C
NC NO
C
NC NO
C
NC
NO
C
NC NO
C
NC NO
C
NC
P2
CRI-A
MAJ-A
MIN-A
CRI-A
MAJ-A
MIN-A
B - OUT
A - OUT
B IN
IN
OUT
E - NET
ALARM OUTPUTS
ALARM OUTPUTS
C
NC NO
C
NC NO
C
NC
C
NC NO
C
NC NO
C
CRI-A
MAJ-A
MIN-A
CRI-A
MAJ-A
MIN-A
ADMIN
J31
E D C B A
P14
1
J1
D
C
B
A
1
F2
F1
10
10
P23
20
DSX1
TEST
30
1
40
32
6
F3
48
PC2A
94V-0
2298
CUSTOM
TELECOM
E190349
P1
P1
NO
C
NC NO
C
NC NO
NC
NO
C
NC NO
C
NC NO
CRI-A
MAJ-A
MIN-A
CRI-A
MAJ-A
C
NC
C
NC
MIN-A
61181001L1-5E
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