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CatonCaster HD422 User Manual
Appendix D – Pinouts for Analog Audio and Relay Connectors
(DB-15) Analog Audio 1-2
(DB-15) Analog Audio 3-4
(DB-9) Relay Pinout
DB-9 Connector (Female) Pin #’s
DB-9 Connector (Male) Pin #’s
Note: Relay functions shown represent the CatonCaster HD422 in a powered-on state with no active alarms.
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PIN
Channel
Function
1
Channel 1
Left +
2
Channel 1
Right +
3
Channel 2
—
4
Channel 2
Left +
5
—
Right +
6
Channel 1
Left -
7
Channel 1
Right -
8
Channel 2
Left -
9
Channel 2
Right -
10
—
—
11
—
Ground
12
—
Ground
13
—
Ground
14
—
Ground
15
—
Ground
PIN
Channel
Function
1
Channel 3
Left +
2
Channel 3
Right +
3
Channel 4
Left +
4
Channel 4
Right +
5
—
—
6
Channel 3
Left -
7
Channel 3
Right -
8
Channel 4
Left -
9
Channel 4
Right -
10
—
—
11
—
Ground
12
—
Ground
13
—
Ground
14
—
Ground
15
—
Ground
PIN
Channel
Function
1
Relay 1
Normally Open
2
Relay 1
Normally Closed
3
Relay 2
Common
4
Relay 3
Normally Open
5
Relay 3
Normally Closed
6
Relay 1
Common
7
Relay 2
Normally Open
8
Relay 2
Normally Closed
9
Relay 3
Common